Academic literature on the topic 'GIS (Computer program)'
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Journal articles on the topic "GIS (Computer program)"
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Song, Young-Suk, and Byung-Gon Chae. "Development of a GIS-based Computer Program to Design Countermeasures against Debris Flows." Journal of Engineering Geology 23, no. 1 (March 30, 2013): 57–65. http://dx.doi.org/10.9720/kseg.2013.1.57.
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Loginov, D. S. "Application of computer technologies and their potential to develop geophysical mapping." Geodesy and Cartography 973, no. 7 (August 20, 2021): 9–20. http://dx.doi.org/10.22389/0016-7126-2021-973-7-9-20.
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The author describes four main work directions of creating geophysical maps using modern software, represented by specialized systems (SSS) and geographic information ones (GIS). The technological features of data processing practice stages and creating geophysical fields’ digital models, the compilation and designing geophysical maps’ thematic content as results of geological and geophysical works are considered. The main tasks of combined use of GIS and SSS tools were identified. To overcome these shortcomings, additional tools were developed for ArcGIS, as the leading system in the oil and gas industry. They ensure the preservation of design parameters for color scales adopted in the SSS; automatic calculation of the labels’ rotation angle to the objects of point localization; maintaining the layer structure of map projects at exporting to publishing program formats. The solutions considered in the article can be applied for compilation and design of isoline maps in some other areas of thematic cartography, and can also contribute to improving the cartographic component of domestic geological and geophysical software products and geographic information systems.
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Dai, Hang, Xiao Fan Liu, and Wei Dong Zhang. "Simulation of VFTO by ATP/EMTP with Various Arc Models." Applied Mechanics and Materials 602-605 (August 2014): 245–49. http://dx.doi.org/10.4028/www.scientific.net/amm.602-605.245.
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Several arc models representing a disconnector’s closing operation in a 252kV gas insulated switchgear (GIS) are implemented with a computer program ATP/EMTP to simulate very fast transient overvoltage (VFTO). Arc models are used as black box models in connection with a test circuit. Theoretical bases, formulas and realizations of these models are described. Arc models’ parameters are mainly pinpointed by fitting their simulation results with VFTO waveforms measured in a real 252kV GIS test setup. Comparisons between arc models’ simulation results and measurement indicate that dynamic arc models based on Cassie and Mayr theories give more realistic results with particular regard to VFTO’s peak value and frequency spectrum.
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Manin, E. A., G. I. Lyamkin, N. I. Tikhenko, D. V. Rusanova, A. D. Antonenko, and G. D. Bryukhanova. "Improvement of the Epidemiological Surveillance over Brucellosis Using GIS-Technologies." Problems of Particularly Dangerous Infections, no. 4(114) (August 20, 2012): 26–28. http://dx.doi.org/10.21055/0370-1069-2012-4-26-28.
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Put forward is the method of usage of Arc GIS 10 software product for epidemiological surveillance over brucellosis in the Stavropol region (SR). Designed is the structure of databases on epidemiology and epizootiology of brucellosis in the constituent entity of the Russian Federation. Constructed are two databases (Epidemiology of brucellosis in the SR and Epizootiology of brucellosis in the SR) compatible with Arc GIS 10. Carried out is the zoning of the SR territories based on assessment of the risk of infecting with brucellosis, using Arc GIS computer program.
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Kadreni, Emilia, Ahmad Perwira Mulia, Indra Jaya Pandia, Hamidah Harahap, and Renita Manurung. "Introduction of GIS software (Geographical information system) as a life Teachers and Students / imedium School for Namira Medan." ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat 4, no. 2 (December 12, 2019): 329–34. http://dx.doi.org/10.32734/abdimastalenta.v4i2.4089.
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Namira High School is one of the favorite schools in the city of Medan, with the number of students graduating and being accepted at the State University increasing from year to year. To further foster and improve the quality and creativity of Namira High School Students and Teachers, a technology-based training program for the Geographical Information System (GIS). Community Service Program is part of the Tri Dharma College, in collaboration with High School partners Namira, is expected to be able to increase learning in the Computer Laboratory to learn the concepts and technology of GIS which is relatively new. By attending this training, students get the opportunity to work more by utilizing geospatial-based information. The use of Geographical Information System (GIS) in various fields is very real, because GIS provides various facilities that are relatively easy to do. With the open source GIS software training, it is hoped that students and teachers at Namira High School will know the importance of geography literacy and its use in various fields.
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Liang, Rui, Shenglei Wu, Peng Chi, Nan Peng, and Yi Li. "Optimal Placement of UHF Sensors for Accurate Localization of Partial Discharge Source in GIS." Energies 12, no. 6 (March 26, 2019): 1173. http://dx.doi.org/10.3390/en12061173.
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This paper proposes an optimal placement model of ultra-high frequency (UHF) sensors for accurate location of partial discharge (PD) in gas-insulated switchgear (GIS). The model is based on 0-1 program in consideration of the attenuation influence on the propagation of electromagnetic (EM) waves generated by PD in GIS. the optimal placement plan improves the economy, observability, and accuracy of PD locating. After synchronously acquiring the time of the initial EM waves reaching each UHF sensor, PD occurring time can be obtained. Then, initial locating results can be acquired by using the Euclidean distance measuring method and the extended time difference of arriving (TDOA) location method. With the information of all UHF sensors and the inherent topological structure of GIS, the locating accuracy can be further improved. The method is verified by experiment, showing that the method can avoid the influence of false information and obtain higher locating accuracy by revising initial locating results.
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Pe’eri, Shachak, John Nyberg, and Neil Weston. "NOAA’s Certification program in Marine Cartography." Abstracts of the ICA 1 (July 15, 2019): 1. http://dx.doi.org/10.5194/ica-abs-1-294-2019.
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<p><strong>Abstract.</strong> Since its establishment in 1807, the National Oceanic and Atmospheric Administration’s (NOAA) Office of Coast Survey has provided nautical charts to support safe shipping, national defence, and the delamination of maritime boundaries. The mission of the office is to provide navigation products and services that ensure safe and efficient maritime commerce on America’s oceans and coastal waters, and in the Great Lakes. The Office of Coast Survey employs cartographers, hydrographers, physical scientists, managers and administrative staff in order to fulfil its mission. Until recently, training in nautical cartography at the office of Coast Survey was conducted at the branch level and differed based on level of employee seniority (i.e., Entry, Intermediate and Advanced) and the processing branch of the employee. Over the past two years, NOAA has established a Coast Survey CAT B program that is intended to train and educate to up to 13 cartographers per year in nautical cartography, through a combination of lectures, hands-on chart production experience, details to various branches within the Coast Survey, and field trips to working hydrographic survey vessels through six training modules spread over a one-year period, spread over six courses that include:</p><ul><li><i>Refresher course</i> that provides a review of the basic math, computer and communication technology, marine geography, hydrography, and geodetic topics. The goal of this course is to ensure that students have a sufficient academic background to succeed in the subsequent CAT-B program courses and other activities.</li><li><i>Introduction to Cartography course</i> that reviews elements of cartography, specifically scale, design, and data manipulation techniques. Students will gain an appreciation for maps and map-making, including manual techniques. This introductory course will include hands-on use of computer graphics tools.</li><li><i>Map Design course</i> that reviews the various styles and techniques associated with cartographic design. The course will require the student to: 1) analyse chart design parameters, 2) compile thematic cartographic projects, and 3) experiment with map design.</li><li><i>GIS and Spatial Analysis course</i> that provides students with a comprehensive understanding of spatial analysis methods and they will learn practical skills in using GIS and spatial analysis. The class covers the methods of spatial analysis including measuring aspects of geometric features and identifying spatial patterns of geospatial objects that are represented as point, line, network, areal data, and 3-D surfaces.</li><li><i>GIS and Spatial Modelling course</i> that provides the students a foundation and understanding of various issues related to modelling and simulation in the GIS. It will address the concepts, tools, and techniques of GIS modelling (vector- and raster-based modelling). In addition, it will present modelling concepts and theory as well as provide opportunities for hands-on model design, construction, and application.</li><li><i>NOAA training project and internship program course</i> that includes: 1) a detailed review of many of the activities conducted by the branches in NOAA’s Marine Chart Division and 2) a training project that demonstrates the student’s ability to implement the knowledge gained during the certification.</li></ul><p>This paper presents a newly established CAT B certificate program in Standards of Competence for Nautical Cartographers that is conducted at NOAA’s main campus in Silver Spring, Maryland, USA. The CAT B certificate program provides NOAA a mechanism to both enhance building capacity within the organization and recognizing NOAA cartographers for their capabilities and efforts. In addition, such a program at NOAA can also be used to recruit new employees and help to build capacity in sister organizations.</p>
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Yuan, Yuan, Zhi Yong Liu, Huai Kun Xiang, and Ze Feng Ding. "Traffic Survey System Based on GPS, GPRS and GIS." Advanced Materials Research 328-330 (September 2011): 989–97. http://dx.doi.org/10.4028/www.scientific.net/amr.328-330.989.
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Referring to research findings of existing traffic survey instrument, this paper bases on electronic traffic survey counter to insert GPRS module, micro-program controller, vehicle type selection keyboard and direction selection keyboard, and utilizes computer technology to establish data processing platform, studies and designs the traffic survey system on the basis of GPS, GPRS and GIS. This system can realize real-time monitoring on surveyors, accurate and timely transmission and processing of survey data, and automatic analysis and management of survey data.
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Creech, D. L., and D. McDonald. "CAD/GIS AS A TOOL IN NATIVE PLANT SPECIES CONSERVATION." HortScience 28, no. 4 (April 1993): 273B—273. http://dx.doi.org/10.21273/hortsci.28.4.273b.
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Texas is botanically diverse with approximately 5500 native plants identified: east Texas contains about 40% of the total. While most species are stable, many are classified as rare, threatened, vulnerable, or endangered. Databases for east Texas plant communities and vegetative analyses are numerous. However, they are not yet integrated into easy-to-sort-and-query computer files. Computer-Assisted Drafting (CAD) and Geographic Information Systems (GIS) technology offers powerful applications to the storage, management, and spatial analysis of species inventories, plant community dynamics, and long-term habitat monitoring. At SFASU, the College of Forestry's GIS Center is being utilized to develop comprehensive east Texas resource inventories on a ten-station HP Apollo/ArcInfo platform. In the horticulture program, a twenty-station PC/AutoCad teaching laboratory is being used to create layered maps of the SFASU Arboretum, the on-campus landscape and off-campus plant communities. The integration of CAD and GIS projects through a DXF format takes advantage of the attributes of both technologies.
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Demeuov, Аrman, Zhanna Tilekova, Yerkin Tokpanov, Olena Hanchuk, Natalia Panteleeva, and Iryna Varfolomyeyeva. "Use of GIS technology in geographical education." E3S Web of Conferences 280 (2021): 11010. http://dx.doi.org/10.1051/e3sconf/202128011010.
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At the present stage, digital information technologies create a new education system focused on the global educational space. In general education schools, in connection with the adoption of the updated program, the section Geoinformatics and cartography provides for the use of developing a map-scheme, modeling and conducting small studies on the topic under study. As a result, digital technology has a place in geographical education. This is due to significant changes in the pedagogical and methodological approach in teaching geography and other disciplines. As a result, the education system has changed, the content of education has been updated, a new approach has appeared, a new attitude to geoinformation technologies in schools. The article discusses the importance of computer technologies in the education system, including the effectiveness and necessity of using geoinformation technologies. The article substantiates the relevance of the use of geoinformation technologies in the teaching of geography.
Dissertations / Theses on the topic "GIS (Computer program)"
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Johansson, Josefine, and Maria Nilsson. "Undersökning av open source GIS programvaror : Med hänsyn till MSB’s användningsområden internt och för RIB Karta." Thesis, Karlstads universitet, Avdelningen för geografi och turism, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-15450.
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MSB stands for Swedish Civil Contingencies Agency. It’s a government organization that deals with emergencies and crises. MSB has developed a software package where the newest software version is called RIB 2012. The package includes the program RIB Karta. RIB Karta has made it possible to produce an overall picture consisting of different types of information onto a single map. RIB Karta is a very simple map viewer without any analysis functions. The purpose of this degree project is to compare several open source software with the existing RIB Karta. The study will result in suggestions for a possible open source program which allows the use of geographic data internally within MSB and the existing RIB Karta. The programs that were studied are: gvSIG, MapWindow, OpenJUMP, Quantum GIS and uDig. The advantage of using open source software is that they are free, and the access to the source code allows them to be modified to suit your needs. This program is also an alternative to RIB Karta meaning that the program may be freely distributed resulting in a great advantage. One disadvantage is that if major changes in the source code are made, the support may be difficult to access. The license for open source software designed to code should be made available for everyone. Investigations by various open source GIS software have been implemented in the order to present the program that has more features than RIB Karta but still understandable to people with non-GIS experience. When compared with one another, the studies show pros and cons within each of the programs. The investigations have been made after a survey template that was developed after meetings with MSB. Functions, analysis capabilities and ease of use are what have been taken into account. The most suitable software is therefore chosen after taking into account these distinguishing factors From the results of the studies Quantum GIS software is recommended for internal use in MSB and in RIB Karta. Based on its variety in terms of features and good usability we conclude that Quantum GIS is the best choice.MSB står för Myndigheten för Samhällsskydd och Beredskap. Det är en statlig organisation som arbetar med olycks- och krishantering. MSB har arbetat fram ett programpaket där den nyaste programversionen heter RIB 2012. I paketet ingår programmet RIB Karta som gör det möjligt att få en samlad bild av olika typer av information i en och samma karta. RIB Karta är ett mycket enkelt kartvisningsprogram utan analysfunktioner. Syftet med uppgiften är att jämföra flera open source GIS program med befintlig RIB Karta. Arbetet ska resultera i förslag på möjliga open source program som kan vara en komplettering till RIB Karta. Det ska även kunna användas internt inom MSB för personal som inte behöver ett avancerat GIS program. Programmet ska kunna visa geografiskdata, skapa kartor och kunna göra enkla analyser. De program som undersökts är: gvSIG, MapWindow, OpenJUMP, Quantum GIS och uDig. Fördelarna med att använda open source program är att de nästan alltid är gratis och tillgången till källkoden gör att de kan modifieras efter egna behov. Alla undersökta program i denna rapport är gratis. Eftersom det också ska vara ett alternativ till RIB Karta så är även att programmet får spridas fritt en stor fördel. En av nackdelarna är att om stora ändringar i källkoden har gjorts kan support vara svårt att tillgå. Licenserna för open source programvaror är utformade för att koden ska bevaras tillgänglig. Undersökningar av olika open source GIS program har genomförts för att presentera ett program som har fler funktioner än RIB Karta men fortfarande är lättförståeligt för icke GIS kunniga. I undersökningarna har för- och nackdelar i programmen ställts emot varandra. Undersökningarna har gjorts efter en undersökningsmall som tagits fram efter möten med MSB. Funktioner, analysmöjligheter och användarvänlighet är vad som tagits i beaktande. Det är detta som valet av rekommenderad programvara är grundat på. Från resultatet av undersökningarna rekommenderas Quantum GIS som programvara för användning i både RIB Karta och inom MSB’s verksamhet. Detta för sin bredd när det gäller funktioner och goda användarvänlighet.
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Van, der Westhuizen Hendrik Petrus Steyn. "Die ontwikkeling van 'n GIS-tegniek om visuele landskap te kwantifiseer." Thesis, Stellenbosch : Stellenbosch University, 2001. http://hdl.handle.net/10019.1/52215.
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Thesis (MA)--Stellenbosch University, 2001.ENGLISH ABSTRACT: The visual landscape is a resource that should be managed sustainably. Sufficient tools for the effective management of visual landscapes are still lacking. Existing visualization software (including 3D Analyst) could be utilized as an aid in visual landscape management, but as such it lacks quantification functionalities. Geographical Information Systems (GIS) could effectively be used in the quantification of visual landscapes. The composition, value and experience of visual landscapes are complex and interrelated. Visual landscapes should be divided into physical and cognitive elements for management purposes. In the quantification of visual landscapes, the physical elements are effectively handled within a GIS. Insufficient research though, hampers the quantification of the visual landscape in terms of cognitive elements. Arc View GIS, including the 3D Analyst Extension, can be extended to quantify visual landscapes. Arc View's integrated development language, Avenue, was used to develop a new technique, namely The Visual Landscape Quantifier (VLQ). The VLQ-technique is an application based on a virtual landscape where a user can select observation and target locations. These locations are used to quantify the visual landscape in a chosen direction. Results are expressed as the percentage (%) of the visible land use in the selected visual landscape. The user can choose whether the results should be displayed as a list or as a graph. Wanted and unwanted elements in the landscape could be identified, aiding the management and planning of landscapes. Keywords: Visual landscape, landscape, Visual Landscape Quantifier, visualization, Arc View GIS, Avenue, Object Oriented Programming, 3D Analyst.
AFRIKAANSE OPSOMMING: Die visuele landskap is 'n hulpbron wat volhoubaar bestuur moet word, maar ongelukkig bestaan daar mm instrumente om dit effektief te bestuur. Bestaande visualiseringsprogrammatuur (insluitend Arc View 3D Analyst) kan as hulpmiddel dien in die bestuur van visuele landskappe, maar dit ontbreek kwantifiseringsfunksionaliteite. Geografiese Inligtingstelsels (GIS) kan effektief aangewend word in die kwantifisering van visuele landskappe. Die samestelling, waarde en hoe visuele landskappe ervaar word, is kompleks en interverwant. Om visuele landskappe meetbaar te maak, moet dit in fisiese en kognitiewe elemente opgebreek word. GIS hanteer die fisiese elemente van visuele landskappe effektief en gevolglik is die kwantifisering daarvan (in GIS) wel moontlik. Onvoldoende navorsing maak die kwantifisering van visuele landskappe, in terme van kognitiewe elemente, egter moeilik. ArcView GIS, insluitend die 3D Analyst-uitbreiding, kan aangepas word om visuele landskappe te kwantifiseer. 'n Nuwe tegniek, die Visual Landscape Quantifier (VLQ), is met ArcView se geïntegreerde programmeertaal, Avenue, ontwikkel. Die VLQ-tegniek berus op 'n virtuele landskap waarbinne die gebruiker toegelaat word om waarnemers- en teikenliggings te selekteer. As toepassing word die visuele landskap in die gekose rigting in terme van die persentasie (%) van sigbare grondgebruik in die geselekteerde landskap gekwantifiseer. Die gebruiker kan kies of die resultaat as 'n lys of as 'n grafiek voorgestel moet word. Moontlike gewenste of ongewenste elemente in die visuele landskap kan gevolglik geïdentifiseer word en so die bestuurs- en beplanningstaak ondersteun. Sleutelwoorde: Visuele landskap, landskap, Visual Landscape Quantifier, visualisering, ArcView GIS, Avenue, 3D Analyst, Object Oriented Programmering.
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Douglas, I. E. "Development of a generalized computer program for gas turbine performance simulation." Thesis, Cranfield University, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.373986.
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Escher, P. C. "Pythia: An object-orientated gas path analysis computer program for general applications." Thesis, Cranfield University, 1995. http://hdl.handle.net/1826/3457.
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For both civil and military aero gas turbines, technological advances and high cost of ownership have resulted in considerable interest in advanced maintenance techniques. Some of these techniques are now ready for application to industrial gas turbines. This thesis attempts to give an overview of engine maintenance and engine health monitoring techniques.
One way to tackle the high cost is to employ Gas Path Analysis techniques. Gas Path
C
Analysis helps to identify deteriorated components of a gas turbine in terms of performance parameter changes with respect to each other. The changes can be analysed and actions taken to minimise the life cycle costs of a gas turbine.
A generalised Gas Path Analysis computer program Pythia has been developed that incorporated new techniques such as a non-linear multiple fault diagnostics scheme. In order to develop reliable software a structured methodology, conforming to quality standards, has been introduced. The program Pythia is based on an object-oriented programming method that can be run with a modem PC.
•Pythia has been applied to a wide range of gas turbine engines. As a result, the Gas Path Analysis technique showed statistically significant improvements with the non-Iinear solution. The non-linear GPA technique was able to successfully identify sets of instrumentation for all engines.
Finally, the thesis presents further developments of the non-linear GPA technique. In particular, instrumentation error, creep life estimation and low cycle fatigue estimation are some of the techniques.
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Escher, P. C. "Pythia : an object-oriented gas path analysis computer program for general applications." Thesis, Cranfield University, 1995. http://dspace.lib.cranfield.ac.uk/handle/1826/3457.
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For both civil and military aero gas turbines, technological advances and high cost of ownership have resulted in considerable interest in advanced maintenance techniques. Some of these techniques are now ready for application to industrial gas turbines. This thesis attempts to give an overview of engine maintenance and engine health monitoring techniques. One way to tackle the high cost is to employ Gas Path Analysis techniques. Gas Path C Analysis helps to identify deteriorated components of a gas turbine in terms of performance parameter changes with respect to each other. The changes can be analysed and actions taken to minimise the life cycle costs of a gas turbine. A generalised Gas Path Analysis computer program Pythia has been developed that incorporated new techniques such as a non-linear multiple fault diagnostics scheme. In order to develop reliable software a structured methodology, conforming to quality standards, has been introduced. The program Pythia is based on an object-oriented programming method that can be run with a modem PC. •Pythia has been applied to a wide range of gas turbine engines. As a result, the Gas Path Analysis technique showed statistically significant improvements with the non-Iinear solution. The non-linear GPA technique was able to successfully identify sets of instrumentation for all engines. Finally, the thesis presents further developments of the non-linear GPA technique. In particular, instrumentation error, creep life estimation and low cycle fatigue estimation are some of the techniques.
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Sarapirome, Sunya. "A terrain evaluation system and GIS for road corridor selection applicable to intermontane basins in northern Thailand." Thesis, McGill University, 1992. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=39529.
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The purpose of this study is to develop a terrain evaluation system for road corridor selection applicable to the intermontane basins in northern Thailand. The first stage involves database construction of the terrain factors which have a direct effect on construction costs. These factors are land cover, topography and landforms, surficial geology, soil strength, topsoil removal, difficulty of excavation, embankment height, construction materials, and drainage characteristics. Remote sensing and terrain evaluation techniques, field investigations and geotechnical laboratory tests are used to prepare maps of these terrain factors. The resulting maps are converted into digital database form as map layers by using Geographical Resources Analysis Support System (GRASS)--a raster-based Geographic Information System (GIS).These factors are incorporated into cost models. These are constructed using local engineering cost assessments which control the selection and specification of terrain factors. Under the GRASS environment the digital map layers of different terrain attributes are converted, based on the cost models, into cost surfaces (cost per unit area). The cost surfaces are subsequently combined into an integrated terrain-cost model.
With different assigned end points and cost models, the applications of the single theme cost surfaces and the integrated terrain-cost models to least-cost route selection are provided. An existing road network can be incorporated in these applications. The quality and benefits of the database and system developed related to terrain conditions, data capture by remote sensing, GIS manipulation and modelling, and cost modelling are discussed.
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Dean, Denis Joseph. "A justification of negotiated National Forest planning and the development of a prototype computerized negotiated planning tool based on GIS and simulation techniques." Diss., Virginia Tech, 1991. http://hdl.handle.net/10919/39078.
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Chow, Man-hong, and 周文康. "An evaluation of existing open space in Hong Kong: GIS & location allocation modeling approach." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1994. http://hub.hku.hk/bib/B43893545.
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Umeike, Ekenedilinna (Ekenedilinna Onyedikachi). "An analysis of the potential economic impact of natural gas production in Tanzania." Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/95586.
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Thesis: S.M. in Technology and Policy, Massachusetts Institute of Technology, Engineering Systems Division, 2014.Thesis: S.M., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2014.
Cataloged from PDF version of thesis.
Includes bibliographical references (pages 61-68).
Following substantial discoveries of natural gas in recent years, Tanzania has new options for economic development. The country's policy makers are faced with having to make decisions about how best to utilize the gas in order to drive economic development The options before the government are whether to export the gas or to use it domestically. Exporting natural gas can be a very lucrative source of government revenues which can in turn be invested in improving education, access to healthcare or other areas to improve the general and economic well-being of the populace. Encouraging domestic use on the other hand may not be as lucrative in terms of government revenues, but is necessary for increasing participation along the gas value chain in particular and stimulating in other sectors of the economy that benefit from easy access to gas or its downstream products. In this study, I considered the options of using the gas in the production of liquefied natural gas (LNG) intended for export, as well the domestic manufacture of urea and electricity. I used a scenario analysis model to investigate and assess these options according to their direct economic value as well as their revenue generating potential. These two parameters were chosen as proxies for and economic growth and government ability to invest in public goods respectively. As part of the assessments carried out, special attention was paid to the different scenarios associated with meeting the government's national electrification plans as determined by their electricity demand forecasts. The results show that among the options considered, domestic utilization of the gas for power production will have greatest economic value while LNG exports hold the highest revenue potential. Furthermore, they demonstrate that even though using the natural gas for electricity production would be the most valuable option for the Tanzanian economy per unit of gas, allowing new generating capacity to be dominated by gas plants as has been done in some other gas rich countries would not be economically prudent. Instead a mix of technologies will provide the best balance between stimulating domestic gas consumption and providing cost effective electricity to consumers. Importantly, I find that future policy must ensure that domestic utilization of gas is not sacrificed in favor of exports even if it means reduced government revenues.
by Ekenedilinna Umeike.
S.M. in Technology and Policy
S.M.
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Yee, Alexander Wing Lake. "The impact of distributed energy resources (DERs) in integrated gas-electricity energy systems." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/115030.
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Thesis: S.M. in Technology and Policy, Massachusetts Institute of Technology, School of Engineering, Institute for Data, Systems, and Society, Technology and Policy Program, 2017.Thesis: S.M., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2017.
Cataloged from PDF version of thesis.
Includes bibliographical references (pages 99-102).
Our gas and power energy systems are interconnected, which makes the decision to provide energy a non-trivial one for consumers and the system as a whole. The focus of this thesis is on the long-term planning of integrated electricity and natural gas infrastructures at the distribution (low voltage) level. This research explores the question on how pricing relates to the coupling of a gas-electricity system given an expected greater consumer participation at the residential level. I developed a long-term planning tool that is able to consider the interaction between the integrated natural gas-electric energy system. In the first component of the tool, I formulated a mixed integer linear program, Z-DRE, as a proxy for the rational consumer. Given commodity prices, investment costs and demand profiles, Z-DRE would decide which distributed energy resource (DER) equipment or conventional equipment to invest in as well as when to run these equipment to meet its demand. The results of this program would determine what demand profile (or supply profile) the electrical and natural gas grids would need to meet. A model electrical grid and a model natural gas grid were simulated with these demands in order to determine if any reinforcement was needed. If reinforcements were needed, a heuristic was used to determine where the reinforcement should be placed in the grid and iteratively continued this process until a 99% reliability was achieved. I considered two pricing incentives to determine what effect pricing could have on the individual consumer and the spillover effects to the overall grid. The two pricing strategies was (1) a static feed-in-tariff combined with a static residential consumption tariff and (2) a dynamic feed-in-tariff and a dynamic residential consumption rate, both pegged to the market rate of electricity. In the context of New England, I found that adoption of Combined Heat and Power (CHP) units was unlikely to occur without generous electricity feed-in-tariffs which would require a wealth transfer. As a result, it is anticipated that the integrated gas-electric network to be only loosely coupled for New England at the distribution level. I also considered what effect using prices that tracked the wholesale rate of electricity might have on CHP adoption and came to the similar conclusion that the electricity prices in New England are too low to spur CHP investment. I note that over-adoption of CHP units from extremely high feed-in-tariffs (in the cases of both the static feed-in-tariff and the dynamic feed-in-tariffs) caused an extraordinary need for electricity grid reinforcement in order to accommodate the enormous backward power flow back into the high voltage grid. However, the grid also needed moderate reinforcements when there was a low or no feed-in-tariff. I found the reinforcement cost minimum (and total cost minimum) can be found with a tariff that encourages only a portion of the population to purchase CHPs since the locally generated power could now be consumed within the distribution network. This lowered the need for capacity between the primary feeders of the high voltage network and the secondary distribution network.
by Alexander Wing Lake Yee.
S.M. in Technology and Policy
S.M.
Books on the topic "GIS (Computer program)"
1
Razavi, Amir H. ArcView GIS developer's guide: Programming with Avenue. 4th ed. Albany, NY: Onword Press, 2002.
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Razavi, Amir H. ArcView GIS/Avenue developer's guide. 2nd ed. Santa Fe, NM, USA: Onword Press, 1996.
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Geographic Information Systems Conference (1988 Edmonton, AB). Forestry GIS: The next step. Edited by Ferguson Neville B, Alberta. Alberta Forestry, Lands and Wildlife., Canadian Forestry Service, Canada-Alberta Forest Resource Development Agreement., and Proceedings from the Geographic Information Systems Conference. Edmonton, AB: Canadian Forestry Service, 1988.
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Institute, SAS. SAS/GIS 9.2: Spatial data and procedure guide. Cary, NC: SAS Institute, Inc., 2008.
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SAS Institute. SAS/GIS 9.2: Spatial data and procedure guide. Cary, NC: SAS Institute, Inc., 2009.
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Watermolen, Dreux J. Internet and GIS tools for environmental management: The Wisconsin DNR program. Madison, WI: Bureau of Science Services, Wisconsin Dept. of Natural Resources, 2009.
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Inc, ebrary, ed. Python geospatial development: Build a complete and sophisticated mapping application from scratch using Python tools for GIS development. Birmingham, U.K: Packt Open Source, 2010.
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1958-, Warwick Valerie, ed. ArcView GIS/Avenue programmer's reference: Class hierarchy quick reference and 101+ scripts. 2nd ed. Santa Fe, NM: OnWord Press, 1997.
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1958-, Warwick Valerie, ed. ArcView GIS/Avenue programmer's reference: Class hierarchy quick reference and 100+ scripts. 3rd ed. Albany, N.Y: OnWord Press, 2000.
Find full textBook chapters on the topic "GIS (Computer program)"
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Clemetsen, R., A. R. Hurst, R. Knarud, and H. Omre. "A Computer Program for Evaluation of Fluvial Reservoirs." In North Sea Oil and Gas Reservoirs—II, 373–85. Dordrecht: Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-0791-1_32.
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Kiera, M. "Heliostat Field: Computer Codes, Requirements, Comparison of Methods." In GAST The Gas-Cooled Solar Tower Technology Program, 95–113. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-83559-9_7.
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Doyle, D. John. "Alveolar Gas Equation (AGE)." In Computer Programs in Clinical and Laboratory Medicine, 62–66. New York, NY: Springer New York, 1989. http://dx.doi.org/10.1007/978-1-4612-3576-7_13.
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Doyle, D. John. "Glasgow Coma Scale (GCS)." In Computer Programs in Clinical and Laboratory Medicine, 113–16. New York, NY: Springer New York, 1989. http://dx.doi.org/10.1007/978-1-4612-3576-7_25.
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Harvey, Craig, and David Eash. "Basinsoft, a Computer Program to Quantify Drainage Basin Characteristics." In GIS for Water Resource and Watershed Management, 39–52. CRC Press, 2002. http://dx.doi.org/10.1201/9780203217917.ch4.
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Sadoun, Balqies. "GIS Applications to City Planning Engineering." In Encyclopedia of Human Computer Interaction, 234–41. IGI Global, 2006. http://dx.doi.org/10.4018/978-1-59140-562-7.ch037.
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The rapid progress in information technology (IT) has moved computing and the Internet to the mainstream. Today’s personal laptop computer has computational power and performance equal to 10 times that of the mainframe computer. Information technology has become essential to numerous fields, including city and regional planning engineering. Moreover, IT and computing are no longer exclusive to computer scientists/engineers. There are many new disciplines that have been initiated recently based on the cross fertilization of IT and traditional fields. Examples include geographical information systems (GIS), computer simulation, e-commerce, and e-business. The arrival of affordable and powerful computer systems over the past few decades has facilitated the growth of pioneering software applications for the storage, analysis, and display of geographic data and information. The majority of these belong to GIS (Batty et al., 1994; Burrough et al., 1980; Choi & Usery, 2004; Clapp et al., 1997; GIS@Purdue, 2003; Golay et al., 2000; Goodchild et al., 1999; IFFD, 1998; Jankowski, 1995; Joerin et al., 2001; Kohsaka, 2001; Korte, 2001; McDonnell & Kemp, 1995; Mohan, 2001; Ralston, 2004; Sadoun, 2003; Saleh & Sadoun, 2004). GIS is used for a wide variety of tasks, including planning store locations, managing land use, planning and designing good transportation systems, and aiding law enforcement agencies. GIS systems are basically ubiquitous computerized mapping programs that help corporations, private groups, and governments to make decisions in an economical manner. A GIS program works by connecting information/data stored in a computer database system to points on a map. Information is displayed in layers, with each succeeding layer laid over the preceding ones. The resulting maps and diagrams can reveal trends or patterns that might be missed if the same information was presented in a traditional spreadsheet or plot. A GIS is a computer system capable of capturing, managing, integrating, manipulating, analyzing, and displaying geographically referenced information. GIS deals with spatial information that uses location within a coordinate system as its reference base (see Figure 1). It integrates common database operations such as query and statistical analysis with the unique visualization and geographic analysis benefits offered by maps. These abilities distinguish GIS from other information systems and make it valuable to a wide range of public and private enterprises for explaining events, predicting outcomes, and planning strategies (Batty et al., 1994; Burrough et al, 1980; Choi & Usery, 2004; Clapp et al., 1997; GIS@Purdue, 2003; Golay et al., 2000; Goodchild et al., 1999; IFFD, 1998; Jankowski, 1995; Joerin et al., 2001; Kohsaka, 2001; Korte, 2001; McDonnell & Kemp, 1995; Mohan, 2001; Ralston, 2004; Sadoun, 2003; Saleh & Sadoun, 2004).
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Sadoun, Balqies. "GIS Applications to City Planning Engineering." In Global Information Technologies, 967–76. IGI Global, 2008. http://dx.doi.org/10.4018/978-1-59904-939-7.ch074.
Full textAbstract:
The rapid progress in information technology (IT) has moved computing and the Internet to the mainstream. Today’s personal laptop computer has computational power and performance equal to 10 times that of the mainframe computer. Information technology has become essential to numerous fields, including city and regional planning engineering. Moreover, IT and computing are no longer exclusive to computer scientists/engineers. There are many new disciplines that have been initiated recently based on the cross fertilization of IT and traditional fields. Examples include geographical information systems (GIS), computer simulation, e-commerce, and e-business. The arrival of affordable and powerful computer systems over the past few decades has facilitated the growth of pioneering software applications for the storage, analysis, and display of geographic data and information. The majority of these belong to GIS (Batty et al., 1994; Burrough et al., 1980; Choi & Usery, 2004; Clapp et al., 1997; GIS@Purdue, 2003; Golay et al., 2000; Goodchild et al., 1999; IFFD, 1998; Jankowski, 1995; Joerin et al., 2001; Kohsaka, 2001; Korte, 2001; McDonnell & Kemp, 1995; Mohan, 2001; Ralston, 2004; Sadoun, 2003; Saleh & Sadoun, 2004). GIS is used for a wide variety of tasks, including planning store locations, managing land use, planning and designing good transportation systems, and aiding law enforcement agencies. GIS systems are basically ubiquitous computerized mapping programs that help corporations, private groups, and governments to make decisions in an economical manner. A GIS program works by connecting information/data stored in a computer database system to points on a map. Information is displayed in layers, with each succeeding layer laid over the preceding ones. The resulting maps and diagrams can reveal trends or patterns that might be missed if the same information was presented in a traditional spreadsheet or plot. A GIS is a computer system capable of capturing, managing, integrating, manipulating, analyzing, and displaying geographically referenced information. GIS deals with spatial information that uses location within a coordinate system as its reference base (see Figure 1). It integrates common database operations such as query and statistical analysis with the unique visualization and geographic analysis benefits offered by maps. These abilities distinguish GIS from other information systems and make it valuable to a wide range of public and private enterprises for explaining events, predicting outcomes, and planning strategies (Batty et al., 1994; Burrough et al, 1980; Choi & Usery, 2004; Clapp et al., 1997; GIS@Purdue, 2003; Golay et al., 2000; Goodchild et al., 1999; IFFD, 1998; Jankowski, 1995; Joerin et al., 2001; Kohsaka, 2001; Korte, 2001; McDonnell & Kemp, 1995; Mohan, 2001; Ralston, 2004; Sadoun, 2003; Saleh & Sadoun, 2004).
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Yasobant, Sandul, Kranti Suresh Vora, and Ashish Upadhyay. "Geographic Information System Applications in Public Health." In Effective Methods for Modern Healthcare Service Quality and Evaluation, 137–66. IGI Global, 2016. http://dx.doi.org/10.4018/978-1-4666-9961-8.ch007.
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Geographic information systems or geographic information science is a combination of computer-mapping capabilities with additional database management/data analysis tools. GIS is widely used in various sectors such as environmental science, urban planning, agricultural applications etc. Public health is another focus area, where GIS has been used for research and practice areas such as epidemic surveillance and monitoring, among others. The journey of use of GIS in public health spans more than a century and GIS application in public health has evolved from the simple maps to the higher level geostatistical analysis and interactive WebGIS in recent times. GIS is an analytical tool which differs from conventional computer-assisted mapping and any statistical analysis programs in its ability to analyze complex data and visual presentation of spatial data. Specialized GIS techniques such as network analysis, location-allocation models, site selection, transportation models, and geostatistical analysis are well established and used in many developed and developing nations. Unfortunately owing to the high cost of licensed software and specialized skills for advanced data analysis, use of these techniques is limited mainly for the research and by few experts. GIS is proved to be useful for various public health practices and research purposes including epidemiological surveys/investigation, implementation research, program/policy decision making and dissemination of information. The advantage of using GIS is that maps provide an added dimension to data analysis, which helps in visualizing the complex patterns and relationships of public health issues, thus many unanswered questions in public health, can be understood well through use of GIS techniques. Use of GIS in public health is an application area still in its infancy. Wider use of GIS for public health practice such as program planning, implementation and monitoring in addition to building evidence base for the policy making will help reduce inequities in health and provide universal healthcare. Overall, GIS is a helpful and efficient tool especially for public health professionals working in low resource settings. In the future with inclusion of advanced GIS technology like WebGIS can help reach the goal of optimal health care services globally.
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Yasobant, Sandul, Kranti Suresh Vora, and Ashish Upadhyay. "Geographic Information System Applications in Public Health." In Healthcare Policy and Reform, 538–61. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-6915-2.ch026.
Full textAbstract:
Geographic information systems or geographic information science is a combination of computer-mapping capabilities with additional database management/data analysis tools. GIS is widely used in various sectors such as environmental science, urban planning, agricultural applications etc. Public health is another focus area, where GIS has been used for research and practice areas such as epidemic surveillance and monitoring, among others. The journey of use of GIS in public health spans more than a century and GIS application in public health has evolved from the simple maps to the higher level geostatistical analysis and interactive WebGIS in recent times. GIS is an analytical tool which differs from conventional computer-assisted mapping and any statistical analysis programs in its ability to analyze complex data and visual presentation of spatial data. Specialized GIS techniques such as network analysis, location-allocation models, site selection, transportation models, and geostatistical analysis are well established and used in many developed and developing nations. Unfortunately owing to the high cost of licensed software and specialized skills for advanced data analysis, use of these techniques is limited mainly for the research and by few experts. GIS is proved to be useful for various public health practices and research purposes including epidemiological surveys/investigation, implementation research, program/policy decision making and dissemination of information. The advantage of using GIS is that maps provide an added dimension to data analysis, which helps in visualizing the complex patterns and relationships of public health issues, thus many unanswered questions in public health, can be understood well through use of GIS techniques. Use of GIS in public health is an application area still in its infancy. Wider use of GIS for public health practice such as program planning, implementation and monitoring in addition to building evidence base for the policy making will help reduce inequities in health and provide universal healthcare. Overall, GIS is a helpful and efficient tool especially for public health professionals working in low resource settings. In the future with inclusion of advanced GIS technology like WebGIS can help reach the goal of optimal health care services globally.
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Adamchuk, Viacheslav, Bradley S. Barker, Gwen Nugent, Neal Grandgenett, Megan Patent-Nygren, Collin Lutz, and Kathy Morgan. "Learning Geospatial Concepts as Part of a Non-Formal Education Robotics Experience." In Geographic Information Systems, 1368–84. IGI Global, 2013. http://dx.doi.org/10.4018/978-1-4666-2038-4.ch082.
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In the increasingly modern and technological world, it has become common to use global navigation satellite system (GNSS), such as Global Positioning System (GPS), receivers, and Geographic Information Systems (GIS) in everyday life. GPS-equipped mobile devices and various Web services help users worldwide to determine their locations in real-time and to explore unfamiliar land areas using virtual tools. From the beginning, geospatial technologies have been driven by the need to make efficient use of natural resources. More recently, GPS-equipped autonomous vehicles and aircraft have been under development to facilitate technological processes, such as agricultural operations, transportation, or scouting, with limited or virtual human control. As outdoor robotics relies upon a number of principles related to science, technology, engineering, and mathematics (STEM), using such an instructional context for non-formal education has been promising. As a result, the Geospatial and Robotics Technologies for the 21st Century program discussed in this chapter integrates educational robotics and GPS/GIS technologies to provide educational experiences through summer camps, 4-H clubs, and afterschool programs. The project’s impact was assessed in terms of: a) youth learning of computer programming, mathematics, geospatial and engineering/robotics concepts as well as b) youth attitudes and motivation towards STEM-related disciplines. An increase in robotics, GPS, and GIS learning questionnaire scores and a stronger self-efficacy in relevant STEM areas have been found through a set of project-related assessment instruments.
Conference papers on the topic "GIS (Computer program)"
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Donn, Leila, and Timothy Beach. "NEW MACHINE-LEARNING COMPUTER PROGRAM TO IDENTIFY UNMAPPED CAVE ENTRANCES USING PYTHON, GIS, AND LIDAR IMAGERY: AN AUTOMATED APPROACH TO CAVE CONSERVATION AND RESOURCE MANAGEMENT." In GSA Annual Meeting in Phoenix, Arizona, USA - 2019. Geological Society of America, 2019. http://dx.doi.org/10.1130/abs/2019am-339861.
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Кабанов, Петр, Peter Kabanov, Михаил Суходоев, and Mikhail Sukhodoev. "Creation of Geodistributed SCADA-System." In 29th International Conference on Computer Graphics, Image Processing and Computer Vision, Visualization Systems and the Virtual Environment GraphiCon'2019. Bryansk State Technical University, 2019. http://dx.doi.org/10.30987/graphicon-2019-1-149-151.
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This article shows the possibility of combining modern software development technologies. SCADA systems usually do not use the full power of modern visualization technologies (rendering of three-dimensional objects, spatial transformation, etc.). In addition to graphics, users of these systems have a question about the possibility of using GIS systems to facilitate the determination of the location of objects (on global, local, and other maps). Using all the technologies described in this article, a system was developed that meets the basic requirements of the SCADA system. The developed system perfectly combines three-dimensional visualization and support of the GIS system. These implementations showed excellent results and feedback from users (with the test and final versions of the program).
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Ismail, I. H., and F. S. Bhinder. "Simulation of Aircraft Gas Turbine Engines." In ASME 1990 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1990. http://dx.doi.org/10.1115/90-gt-342.
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The paper describes a computer program to simulate aircraft gas turbine engines. The program has been written for IBM compatible micro computers and is modular in its approach. Either analytical equations or detailed performance characteristics of individual components are used to model the steady state operation of the complete engine.
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Millwater, Harry R., Graham G. Chell, and David S. Riha. "A Probabilistic Creep Fatigue Computer Program for Structural Integrity Analysis." In ASME 1996 International Gas Turbine and Aeroengine Congress and Exhibition. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/96-gt-265.
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This paper describes a computer program which can determine the probability of failure of gas turbine structures as a function of time due to creep fatigue crack growth. The probability of failure is computed by combining stress analysis and creep fatigue analysis with probabilistic analysis methods. The creep fatigue analysis is based on a reference stress approach which provides a simple, accurate, and efficient method for determining the steady state component, C*, of the time dependent fracture mechanics parameter C(t). Stress intensity factors are computed from stress distributions derived from a linear elastic finite element analysis of the uncracked structure and weight functions. Several probabilistic methods are available such as efficient approximate methods, importance sampling and Monte Carlo sampling. Efficient approximate methods and importance sampling methods are typically one to two orders of magnitude more efficient than Monte Carlo sampling. Probabilistic sensitivity measures are generated as a byproduct of the probabilistic analysis and indicate the importance of the random variables to the reliability of the structure. The theoretical background, computer code and an example problem are presented.
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Korakianitis, T., P. Papagiannidis, and N. E. Vlachopoulos. "Unsteady-Flow/Quasi-Steady Heat Transfer Computations on a Turbine Rotor and Comparison With Experiments." In ASME 1993 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1993. http://dx.doi.org/10.1115/93-gt-145.
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The unsteady flow in stator-rotor interactions affects the structural integrity, aerodynamic performance of the cascades, and blade-surface heat transfer. Numerous viscous and inviscid computer programs are currently becoming available for the prediction of unsteady flows in two-dimensional and three-dimensional stator-rotor interactions. The relative effects of the various components of flow unsteadiness on heat transfer are currently under investigation. In this paper it is shown that for subsonic cases the reduced frequency parameter for boundary-layer calculations is about two orders of magnitude smaller than the reduced frequency parameter for the core flow. This means that for typical stator-rotor interactions the unsteady flow terms are needed to resolve the location of disturbances in the core flow, but in many cases the instantaneous disturbances can be input in steady-flow boundary-layer computations to evaluate boundary-layer effects in a quasi-steady approximation. This hypothesis is tested by comparing computations with experimental data on a turbine rotor for which there is extensive experimental heat-transfer data available in the open literature. An unsteady compressible inviscid two-dimensional computer program is used to predict the propagation of the upstream stator disturbances into the downstream rotor passages. The viscous wake (velocity defect) and potential flow (pressure fluctuation) perturbations from the upstream stator are modeled at the computational rotor-inlet boundary. The effects of these interactions on the unsteady rotor flow result in computed instantaneous velocity and pressure fields. The period of the rotor unsteadiness is one stator pitch. The instantaneous velocity fields on the rotor surfaces are input in a steady-flow differential boundary-layer program, which is used to compute the instantaneous heat-transfer rate on the rotor blades. The results of these quasi-steady heat-transfer computations are compared with the results of unsteady heat-transfer experiments and with the results of previous unsteady heat-transfer computations. The unsteady flow fields explain the unsteady amplitudes and phases of the increases and decreases in instantaneous heat-transfer rate. It is concluded that the present method is accurate for quantitative predictions of unsteady heat transfer in subsonic turbine flows.
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Bringhenti, Cleverson, Jesui´no Takachi Tomita, Francisco de Sousa Ju´nior, and Joa˜o R. Barbosa. "Gas Turbine Performance Simulation Using an Optimized Axial Flow Compressor." In ASME Turbo Expo 2006: Power for Land, Sea, and Air. ASMEDC, 2006. http://dx.doi.org/10.1115/gt2006-91225.
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Gas turbines need to operate efficiently due to the high specific fuel consumption. In order to reach the best possible efficiency the main gas turbine components, such as compressor and turbine, need to be optimized. This work reports the use of two specially developed computer programs: AFCC [1, 2] and GTAnalysis [3, 4] for such purpose. An axial flow compressor has been designed, using the AFCC computer program based on the stage-stacking technique. Major compressor design parameters are optimized at design point, searching for best efficiency and surge margin. Operation points are calculated and its characteristics maps are generated. The calculated compressor maps are incorporated to the GTAnalysis computer program for the engine performance calculation. Restrictions, like engine complexity, manufacture difficulties and control problems, are not taken into account.
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Byers, J. L. "Weibull Analysis Techniques on a Desktop Computer." In ASME 1988 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1988. http://dx.doi.org/10.1115/88-gt-285.
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This paper presents a summary of a task to provide individual Navy project engineers with analytical tools that enable them to perform Weibull failure and related analyses on a desktop computer. Similar tools have been available on mainframe computers for over a decade while only fragmented and incomplete tools existed for desktop computers. There is now available an integrated computer program that allows Navy project engineers and other Navy analysts to perform rigorous trade-off and what-if analyses in an interactive manner without having to send the problem off to their organizational central computer facility. The resulting computer codes exist in several forms to fit the various needs and computer configurations, such as: direct input of data, data file creation and update, and non-printing versions for those who have no printer available. Included in the codes are three Monte Carlo routines and several test plan generation codes. These codes have not been released to the general public as yet and are currently restricted to Navy units such as laboratories, Naval Aircraft Rework Facilities (NARF) and the Naval Air Systems Command Headquarters (NAVAIR). Public release is expected in mid-FY 89.
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Ismail, I. H., and F. S. Bhinder. "A Simple Model to Simulate Subsonic Intakes and Propelling Nozzles of Aircraft Gas Turbine Engines." In ASME 1991 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1991. http://dx.doi.org/10.1115/91-gt-392.
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In this paper the subsonic intake and the propelling nozzle of aircraft gas turbine engines are modeled for the purpose of simulate. Each component is considered as a variable area duct which is divided into a number of elemental sections. Flow properties are calculated in a step by step manner in each section taking into account friction and area change. The underlying theory of the model and a brief description of the computer program are given. The program has been written in Fortran 77 and runs on IBM AT or 100% compatible micro computers.
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Midtvåge, Stein, and Anders G. Finstad. "GIM ‐ A method for computer assisted seismic interpretation." In SEG Technical Program Expanded Abstracts 2009. Society of Exploration Geophysicists, 2009. http://dx.doi.org/10.1190/1.3255049.
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Yoshida, Makoto, Sazo Tsuruzono, Takashi Ono, and Hiroshi Gejima. "Development of Silicon Nitride Rotors for Gas Turbine Applications." In ASME 1994 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1994. http://dx.doi.org/10.1115/94-gt-332.
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Kyocera is developing various ceramic parts for gas turbines under the government funded ceramic gas turbine development programs in Japan. Among the programs, Kyocera is contracted for the development components for CGT-302 and CGT-303 engines which are designed for 300kW output power generation. Of the various parts for gas turbines, we discuss developments and burst tests at room temperature of silicon nitride turbine rotors made by slip casting. In particular, the result of burst tests of turbine rotors at room temperature is evaluated along with the strength prediction by a computer program (CARES) developed by NASA. Different types of turbine rotors were tested, and their burst speeds were well correlated to the strength predicted by computer analyses. This suggests that fracture stress of ceramic parts is well predicted from the material data.
Reports on the topic "GIS (Computer program)"
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Khanna, Nina, Nan Zhou, David Fridley, and John Romankiewicz. International Comparison of Energy Efficiency Criteria and Test Procedures in Standards and Labeling Programs for Computer Monitors and Commercial Gas Stoves. Office of Scientific and Technical Information (OSTI), March 2013. http://dx.doi.org/10.2172/1165109.
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