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Artigos de revistas sobre o assunto "Traveling mail dogs"

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Nefyodov, Eugeniy I., Vyacheslav P. Zayarnyi, Nina I. Kiryanova e Igor N. Ponomarev. "Development of exact mathematic models for planar slotted traveling wave antennas using the dyadic Green function and their experiment foundation". Physics of Wave Processes and Radio Systems 24, n.º 1 (6 de maio de 2021): 22–31. http://dx.doi.org/10.18469/1810-3189.2021.24.1.22-31.

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Exact mathematic models were developed for traveling wave antennas with a constant slot width based on the dyadic Green function, taking into account both the main and cross-polarization components of the field in the far radiation zone. The possibility of using these models as basic models for studying the electrodynamic properties of traveling wave antennas with a different slot configuration (linearly, exponentially tapering, etc.) is justified. The influence of the geometric parameters of the investigated traveling wave antennas on their characteristics was studied by means of using the established mathematic models. It has been found that in the electrodynamic E plane, with an increase of the length and width of the slot, the main beam of the radiation pattern narrows, which leads to an increase the directed properties of the antennas. In the electrodynamic Hplane, the width of the main beam of radiation pattern decreases only as the length of the slot of traveling wave antennas increases and does not depend on its width in practice. It was shown that the established theory results of the study are well consistent with the results of experiments, which also revealed the limitations of the applicability of the developed models. Analysis of traveling wave antennas characteristics was carried out at central frequency of 10 GHz in the frequency range of 8-12 GHz.
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Dmitriev, Sergey V. "Discrete breathers in crystals: Energy localization and transport". Journal of Micromechanics and Molecular Physics 01, n.º 02 (julho de 2016): 1630001. http://dx.doi.org/10.1142/s2424913016300012.

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Discrete breather (DB) is spatially localized vibrational mode in defect-free nonlinear lattice. Frequency of DB must lie outside the spectrum of small-amplitude traveling waves. It neither does resonate with traveling waves and nor does it lose energy to their excitation. Theoretically DB can maintain its vibrational energy forever in the absence of thermal vibrations and other perturbations. Crystals are nonlinear discrete systems and they also support existence of DB. Experimental studies of DB run into considerable technical difficulties, and the main tool of their study is by far the atomistic computer simulations. Having gained confidence in the existence of DB in crystals, we still poorly understand their role in solid state physics. This review covers issues specific to the physics of real crystals, which were not considered in the classical works on DB. Focus is placed on the energy transport through crystal lattice assisted by moving DB and by energy exchange between DB.
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Kotus, Jacek. "Between acceptance and dislike: the intricacy of cross-cultural contacts while travelling". Turyzm/Tourism 22, n.º 1 (13 de agosto de 2012): 5–9. http://dx.doi.org/10.2478/v10106-012-0001-4.

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Today travelling is a global phenomenon. Many journeys involve cross-cultural contacts, often between cultures which are very remote from each other. Some questions arise: does the contemporary traveller expect cross-cultural contacts and how does he/she imagine such interactions? These seemingly simple questions enable us to reflect on the intentionality and complexity of cross-cultural interactions, the main issue discussed in the article. The author draws the reader's attention to the social roles assumed by the modern traveller, as well as the theoretical scenarios of cross-cultural contact, analyzing its symmetric and asymmetric forms.
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Snigovska, Oksana, e Andriy Malakhiti. "“RED” ODESSA IN THE EYES OF N. KAZANDZAKIS: DOCUMENTARY-ARTISTIC TWO of the AUTHOR’s worlds (based on the travelogue «Traveling: Russia»)". Studia Linguistica, n.º 15 (2019): 235–49. http://dx.doi.org/10.17721/studling2019.15.235-249.

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The article explores the features of documentary works of art, in particular letters, articles, travel notes, newspaper publications, photo and video materials, which formed the basis of the travelogue «Travelling: Russia» by the Greek writer Nikos Kazantzakis. It describes his trips to the Soviet Union in the 20s of the XX century. A complex of themes and motives typical of travelogue, topos is considered, topographic plots focused on the presentation of facts and situations are highlighted. The subject of the image in travel notes and feature articles by N. Kazantzakis is practically everything that he sees and realizes / perceives and, of course, describes: topographic environment, the beauty of nature, mode of life, social relations and the psychology of people. The wandering figure, breaking away from usual life, overcoming the barrier of existence, which forces the author and readers to experience borderline states, ask extreme questions, seek for the answers, fulfilling the mission of the travelogue. Getting into other, unfamiliar conditions, the traveller either gets used to them, or evaluates them, transforming them for himself and for the others. Travelogue N. Kazantzakis «Traveling: Russia» does not always adequately reflect the real space of travel. The repeating routes of Greece – Odesa – Kiev trips by sea and further by rail receive different irradiation depending on optimistic (at the beginning of his philosophical and religious journey) or catastrophic with a touch of disappointment (at the end of his ideological search) premonitions of the author. So, the construction of the travelogue of the Greek writer was greatly influenced by previous trips to the same places. Nikos Kazantzakis often refers reader to facts of history, to cultural codes, to ideological oppositions, to personal memory. Oppositions Europe/Greece – Russia, Vienna – Odesa, Greeks – Russians / Ukrainians – Jews are interpreted nominally in the article, the main task of the writer seems to be a way out to the existential principles of the structure and transformation of person.
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Berg, Simon, Back Tomas Ersson e Jussi Manner. "Distance driven and driving speed when forwarding during final felling in Central Sweden". Journal of Forest Science 65, No. 5 (31 de maio de 2019): 183–94. http://dx.doi.org/10.17221/23/2019-jfs.

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Factors affecting forwarding work are interesting because they can be used to better optimize forwarding routes and to predict costs. The main objective of this study was to investigate the association between driving speed and driving distance when forwarding. Data was automatically collected during 2.5 years from two large forwarders operating during final felling in central Sweden. Driving speeds for the work tasks Driving unloaded, Loading drive and Driving loaded were analysed using correlation, least-squares regression, and quantile regression. The results showed that speed and distance were strongly correlated for the work element Driving unloaded, while the correlation was weaker for Loading drive and Driving loaded. Possible factors leading to these results are as follows: longer travelling distances stimulate better planning and the establishment of better extraction roads; operators may feel stressed and drive faster as travelling distance increases; and finally, the relative influence of accelerations and decelerations decreases with increasing driving distance. Also, the use of quantile regression was successful and provided information that normal least-squares regression does not provide.
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Naštická, Zuzana. "INTERCULTURAL FEATURES AND THE THEME OF TRAVELLING IN BILINGUAL MATHEMATICS LESSONS". Problems of Education in the 21st Century 72, n.º 1 (25 de agosto de 2016): 76–88. http://dx.doi.org/10.33225/pec/16.72.76.

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The present qualitative research is focused on bilingual mathematics education. The research presents findings of a case study of one bilingual Slovak and English mathematics 40-minute lesson within an after school elective bilingual mathematics course running weekly since October, 2015. The lesson took place in March, 2016, and was attended by nine learners aged 12-13, eight boys and one girl. The learners are cases of successive school additive bilingual education. The elective course as a whole is a case of immerse bilingual educational programme. In terms of sociolinguistic settings, the course lessons are cases of bilingual education with external second language. The researcher designed and realized the course lessons in terms of CLIL approach, i.e. Content and Language Integrated Learning. The main aim of the case study was to examine if bilingual mathematics instruction does or does not prevent learners from solving math word problems. Secondly, the analysis of transcription of the lesson audio-record served for identification of intercultural features which might hinder the learning process. The analysis of the transcribed audio-record indicates that the bilingual context did not prevent students from solving math word problems, although each of the students worked at their individual rate. On the other hand, some students were confused by the comma as a thousands-separator in multi-digit numbers, and this actually hindered their learning and problem solving process. This fact has been identified as an intercultural difference which had to be explicitly explained to the students. In order to lessen the possible negative influences of bilingual context on mathematics education, teachers need to predict students’ responses to various intercultural differences which students are unfamiliar with. Key words: bilingual mathematics education, CLIL, thousands-separator, land area, per cents.
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Zaourar, Lilia, Yann Kieffer e Chouki Aktouf. "A Graph-Based Approach to Optimal Scan Chain Stitching Using RTL Design Descriptions". VLSI Design 2012 (20 de dezembro de 2012): 1–11. http://dx.doi.org/10.1155/2012/312808.

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The scan chain insertion problem is one of the mandatory logic insertion design tasks. The scanning of designs is a very efficient way of improving their testability. But it does impact size and performance, depending on the stitching ordering of the scan chain. In this paper, we propose a graph-based approach to a stitching algorithm for automatic and optimal scan chain insertion at the RTL. Our method is divided into two main steps. The first one builds graph models for inferring logical proximity information from the design, and then the second one uses classic approximation algorithms for the traveling salesman problem to determine the best scan-stitching ordering. We show how this algorithm allows the decrease of the cost of both scan analysis and implementation, by measuring total wirelength on placed and routed benchmark designs, both academic and industrial.
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Salamoura, Maria, e Viktoria Voxaki. "IMPROVING AIR PASSENGERS’ EXPERIENCE DURING FLIGHT DISRUPTION: THE CASE OF ENFORCING THE DENIED BOARDING REGULATIONS (DBRs) AT CHIOS AIRPORT “OMIROS”". Journal of Air Transport Studies 11, n.º 1 (1 de janeiro de 2020): 11–30. http://dx.doi.org/10.38008/jats.v11i1.152.

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Over the past few decades, air travel is no longer considered a luxury, but a commodity, as passengers are faced with the choice of traveling to various destinations at a lower cost and higher safety than ever before. Nevertheless, passengers’ overall experience does not meet their expectations about excellent customer service, as flying results in various problems. This article focuses on the importance of understanding and improving aviation consumers’ experiences of disruption at Chios Airport by investigating the implementation of the regulation known as the Denied Boarding Regulations (DBRs). The results show that passengers are unaware of their legal rights and dissatisfied with the outcome of their complaints concerning the main sources of disruption: flight delay/cancellation denied boarding, and baggage delay, loss, or damage. Furthermore, “refund of flight cost”, “rescheduling/rebooking (free)”, “financial compensation”, “information on legal rights” and “flight status information” are critical factors for delayed or cancelled flights.
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Alvarez, Carlos A., e Erick Franklin. "Experimental study on the formation of subaqueous barchan dunes in closed conduits". EPJ Web of Conferences 180 (2018): 02002. http://dx.doi.org/10.1051/epjconf/201818002002.

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The present paper reports the formation of subaqueous barchan dunes by analyzing the temporal evolution of their main geometrical characteristics (width W, length L and horn lengths Lh). After certain time, the dunes reach an equilibrium state and it is possible to study the relation between W versus L, and the dependence of the dune velocity on L. The barchan dunes were formed from spherical glass and zirconium beads. An initial conical heap of beads was placed on the bottom wall of a rectangular channel and it was entrained by a water turbulent flow. The evolution of the dunes was filmed with a CCD camera placed above the channel and mounted on a traveling system. Our results show that after a characteristic time the dune shape does not change and it travels with a roughly constant velocity. Once the equilibrium state is reach, W and L are measured, showing linear dependence. Furthermore, we show that the dune velocity Vd scales with the inverse of the dune length.
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Cosway, B., L. Douglas, N. Armstrong e A. Robson. "Travelling for treatment; does distance and deprivation affect travel for intensity-modulated radiotherapy in the rural setting for head and neck cancer?" Journal of Laryngology & Otology 131, n.º 6 (22 de março de 2017): 546–48. http://dx.doi.org/10.1017/s0022215117000196.

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AbstractObjective:NHS England has commissioned intensity-modulated radiotherapy for head and neck cancers from Newcastle hospitals for patients in North Cumbria. This study assessed whether travel distances affected the decision to travel to Newcastle (to receive intensity-modulated radiotherapy) or Carlisle (to receive conformal radiotherapy).Methods:All patients for whom the multidisciplinary team recommended intensity-modulated radiotherapy between December 2013 and January 2016 were included. Index of multiple deprivation scores and travel distances were calculated. Patients were also asked why they chose their treating centre.Results:Sixty-nine patients were included in this study. There were no significant differences in travel distance (p = 0.53) or index of multiple deprivation scores (p = 0.47) between patients opting for treatment in Carlisle or Newcastle. However, 29 of the 33 patients gave travel distance as their main reason for not travelling for treatment.Conclusion:Quantitatively, travel distance and deprivation does not impact on whether patients accept intensity-modulated radiotherapy. However, patients say distance is a major barrier for access. Future research should explore how to reduce this.
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Mais fontes

Livros sobre o assunto "Traveling mail dogs"

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(Illustrator), Lynne Barasch, ed. Owney, the Mail-Pouch Pooch. Farrar, Straus and Giroux (BYR), 2008.

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Capítulos de livros sobre o assunto "Traveling mail dogs"

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Din, Imran ud, e Noreen Fayyaz Khan. "Mobile-Based Appointment System for Remote Patients". In Mobile Devices and Smart Gadgets in Human Rights, 153–70. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-6939-8.ch007.

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Healthcare is a basic human need in any civilization. In modern sense of geopolitics, a welfare state has to ensure easy access of public to basic amenities which include medical facilities. However, the areas, off mainland, usually stay deprived of quality medical services. This is generally the case in third world countries, including Pakistan. Here, due to lack of education and poverty, the suburban or countryside population remains ignorant of available qualified doctors. Everybody does not afford travelling to the nearest main city hospital. Those who afford sometimes experience extreme frustration at absence of their desired medic. In order to assist the deprived, the authors have developed a mobile-based appointment system for remote patients. This application not only helps in requesting appointments with doctors, but lets the android mobile user search the list of quality medics around. The details related to the use and effectiveness of this application have been discussed in the main chapter.
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Öhrström, Lars. "The Curious Incident of the Dog in the Airship". In The Last Alchemist in Paris. Oxford University Press, 2013. http://dx.doi.org/10.1093/oso/9780199661091.003.0006.

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Joseph Späh had to feed his dog; nothing strange about that. The problem was that Ulla, an Alsatian, was mostly confined to the freight room—off limits to passengers. Had everything gone according to schedule, this would not have been an issue either, except for gruff remarks from crewmen not appreciating the needs of this canine friend and co-worker in Späh’s stage act. But this flight did not go according to plan, and Späh’s frequent visits to the rear of the Hindenburg would give him problems in the years to come. The US Department of Energy, and its counterparts in Europe and Japan, are currently spending billions on developing the use of hydrogen for future energy applications—for example, as a fuel for cars and buses. The main advantage is the clean combustion of this fuel: two molecules of hydrogen gas will combine with one molecule of oxygen and give two molecules of water. The future belongs, perhaps, to the ‘hydrogen economy’, but unfortunately for its proponents, the popular history of hydrogen as a fuel is bound up with the tragedy of the Hindenburg. We will get back to Joseph Späh’s poor dog in a while, but for now ponder the fact that over the dog, and above everyone else aboard the comfortable and luxurious Hindenburg , there were huge ‘bags’ filled with hydrogen—the lightest of all the elements, with only one proton and one electron. It has the lowest density of any gas, and is formed by two hydrogen atoms combined together via a single chemical bond, made by sharing the two negatively charged electrons between the two positively charged nuclei. This H2 gas had carried the world’s largest airship from Frankfurt to Lakehurst outside New York, and before that on successful tours all over the globe during the preceding year. These days, we tend to wonder how people could even contemplate the idea of travelling around in what can be described as a flying bomb.
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Fant, Clyde E., e Mitchell G. Reddish. "Colossae". In A Guide to Biblical Sites in Greece and Turkey. Oxford University Press, 2003. http://dx.doi.org/10.1093/oso/9780195139174.003.0030.

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At one time a thriving city in the fertile valley of the Lycus River, the city of Colossae is almost forgotten today. If not for its significance to the Bible, the site of ancient Colossae, now only an unexcavated mound, would be visited very seldom. Colossae was situated near the Lycus River (today the Aksu Çay), the chief tributary of the Meander River. Located in the Phrygian region of Asia Minor, the city was approximately 120 miles east of Ephesus. During the 5th and 4th centuries B.C.E. Colossae was a large and prosperous city. At that time the leading city of the Lycus Valley, Colossae was eventually eclipsed in importance during the Hellenistic and Roman periods by the neighboring cities of Laodicea and Hierapolis. The textile industry flourished in the Lycus Valley, particularly because of goods made from the exceptionally fine wool produced in the area. Colossae was well known for its purple-colored wool. The economic prosperity of the city was also due to its being located on the main trade route from the Aegean coast to the Euphrates. Like Laodicea and Hierapolis, Colossae likely was damaged by the severe earthquake that struck the Lycus Valley in 60 C.E. By the 9th century the site was abandoned, its remaining inhabitants having moved to the nearby town of Chonae (modern Honaz). To reach the ruins of ancient Colossae, take highway 320 east from Denizli toward Dinar. Approximately 12 miles from Denizli, turn right onto the road for Honaz. After traveling approximately 4 miles, turn left. The site of ancient Colossae, a low hill in a field, is about 6 miles on the right. The ancient city of Colossae is remembered today primarily because one of the letters in the New Testament is addressed to “the saints and faithful brothers and sisters in Christ in Colossae” (Col 1:2). Aside from this one reference, the city of Colossae does not appear in the New Testament. The Letter to the Colossians claims to be a letter from the Apostle Paul, although its authorship is sometimes attributed to an anonymous disciple of Paul’s who wrote in the name of Paul.
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Trabalhos de conferências sobre o assunto "Traveling mail dogs"

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Heiss, Jack E. "Who Rides These Things?" In 2010 Joint Rail Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/jrc2010-36153.

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While planners and politicians alike go about kicking the tires of various trains, and traveling abroad on fact-finding missions about HSR, the question remains whether Americans will patronize high-speed rail in sufficient number to justify the investment. A common practice is to identify an existing or abandoned rail line as the candidate route that connects population centers, identify the former stations for rehabilitation, select a technology, and then perform an investment-grade ridership study to determine whether sufficient revenues will be generated. This approach may prove sufficient in the upgrading of an existing conventional service, or re-establishing a previous service in those areas of the country with a long history of passenger rail. When approaching newer developed areas such as the Sunbelt cities, the inter-relationship of development patterns and fixed-guideway passenger services is not established. Those development patterns were influenced by the automobile, not by guideway-based transportation. A different approach is needed when history is not a guide. While the selection of the population centers to be served at the outset is appropriate and makes for a basic identification of the market to be served, it does not reveal the actual destinations that are interest to the travelers. The next step is to more thoroughly investigate travel between those points. That investigation should include surveys to determine trip purpose, identify the main attractors in the markets, the demographics of the travelers and how time is valued by the travelers. Finally, estimates must be made of the absolute numbers of those traveling. Additionally, examination of the current travel patterns through the patronage of existing services can provide clues to the market demand. The acquisition of this market information then allows the planners to design a transportation product that will appeal to the potential customers and make a determination of potential revenue. Even when certain parameters of a system are set because of geography or availability of infrastructure, market information can guide improvements to maximize market capture. This paper will examine those data that are important to a high-speed rail plan and how some system decisions directly affect the ability of the transportation product offered to satisfy the needs of the traveling public. “Build it and they will come” cannot be trusted to repay the massive investment required by high-speed rail.
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Venkatesh, Jayantheeswar, Anders Thorin e Mathias Legrand. "Nonlinear Modal Analysis of a One-Dimensional Bar Undergoing Unilateral Contact via the Time-Domain Boundary Element Method". In ASME 2017 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/detc2017-68340.

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Finite elements in space with time-stepping numerical schemes, even though versatile, face theoretical and numerical difficulties when dealing with unilateral contact conditions. In most cases, an impact law has to be introduced to ensure the uniqueness of the solution: total energy is either not preserved or spurious high-frequency oscillations arise. In this work, the Time Domain Boundary Element Method (TD-BEM) is shown to overcome these issues on a one-dimensional system undergoing a unilateral Signorini contact condition. Unilateral contact is implemented by switching between free boundary conditions (open gap) and fixed boundary conditions (closed gap). The solution method does not numerically dissipate energy unlike the Finite Element Method and properly captures wave fronts, allowing for the search of periodic solutions. Indeed, TD-BEM relies on fundamental solutions which are travelling Heaviside functions in the considered one-dimensional setting. The proposed formulation is capable of capturing main, subharmonic as well as internal resonance backbone curves useful to the vibration analyst. For the system of interest, the nonlinear modeshapes are piecewise-linear unseparated functions of space and time, as opposed to the linear modeshapes that are separated half sine waves in space and full sine waves in time.
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Gan, Jiaye, Hong-Sik Im e Ge-Cheng Zha. "Numerical Examination of Lock-In Hypothesis of Non-Synchronous Vibration in an Axial Compressor". In ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/gt2017-65244.

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This paper examines the lock-in hypothesis of non-synchronous vibration (NSV) in a high speed multistage axial compressor. The unsteady Reynolds-averaged Navier-Stokes (URANS) equations and modal approach based structural dynamic equations are solved. A low diffusion E-CUSP approximate Riemann solver with a 3rd order WENO scheme for the inviscid fluxes and a 2nd order central differencing for the viscous terms are employed. The structural vibration of the blades are solved by a set of modal equations that are fully coupled with the flow equation. The rigid blade simulations are conducted to examine the main driver of NSV. A 1/7th annulus sector of IGV-rotor-stator is used with a time shifted phase lag BC at circumferential boundaries. A dominant excitation frequency caused by the traveling tip vortices are captured. The excitation frequency is not on the engine order. The simulation is then switched to fluid structure interaction that allows the blades to vibrate freely under the flow excitations. The matching of aerodynamic forcing frequency with the structure response frequency seems indicating that the NSV of this compressor is a limit cycle oscillation (LCO) excited by aerodynamic forcing, not caused by flow frequency/phase locked to structural frequency. The rotating speed is varied within a RPM range, in which the rig test detected the NSV. The unsteady flows with rigid blades are simulated first at several RPMs. The simulation indicates that the structure response follows the frequency of the flow excitations existing in the rigid blades. At least under the simulated conditions, the NSV does not appear to be a lock-in phenomenon, which has the flow frequency lock-in to the structure natural frequency.
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Hennig, Thomas, e Girish Lokwani. "Latest Generation of ILI Tools for High Resolution Ultrasonic Inspection and Integrity Assessment". In ASME 2015 India International Oil and Gas Pipeline Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/iogpc2015-7947.

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Intelligent inline inspections (ILI) are widely used to guarantee a safe operation of pipelines. The inline inspection provides reliable data in an economic way. Historically, magnetic flux leakage technology (MFL) was one of the main technologies applied in pipeline systems. Within the last few years some minor improvements have been introduced in the existing MFL tool fleets, mainly focusing on a higher resolution. Nevertheless, a general restriction based on the physical basics finally limits the sizing capabilities of corrosion defects, esp. for complex shaped defects. Ultrasonic (UT) is currently the most accurate and reliable In-Line Inspection technology available in the market. These UT ILI Tools record data while travelling through the entire pipeline from Launcher to Receiver. In most cases, the Pipeline Operator does not need to make major adjustments to their pipeline. The latest generation of UT tools offers high inspection velocities — consequently a reduction of medium flow and loss of production can be avoided. In addition, a very high resolution of transducers in axial and circumferential direction provides excellent input for accurate pressure calculations, e.g. based on Riverbottom profiles or even 3D Finite element modeling. Using UT as the inspection method greatly increases the confident level of the inspection survey results. This in turn will give Pipeline Operators a greater peace of mind that their true pipeline condition is known thereby reducing unnecessary and costly digs and repairs. The authors will present some basic background information about ultrasound inspection technologies. State of the art solutions are presented for crack and wall thickness tools. Combining different technologies in one tool offers additional benefit. One single inspection tool with corrosion and crack transducers enables pipeline operators to operate their system safe with a minimized impact. Finally, the authors will present some special solutions for high pressure deep water applications and multi diameter pipeline systems.
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Choudhury, Nilanjan Roy, Sankar Sengupta e Robert P. Van Til. "A Novel Method to Reduce Inspection Process Cycle Time While Using a Coordinate Measurement Machine". In ASME 2015 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/dscc2015-9911.

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A touch-based probe of a coordinate measurement machine (CMM) is generally used to validate the dimensions of the artifacts and associated features which come out of the manufacturing line against its dimensions to ensure to be within prescribed GD&T [Wilson 14] limits. Although there could be other applications using a CMM like reverse engineering, however the stated inspection process is quite crucial for maintaining quality factor and to regulate merits of the manufacturing process especially with the continuous wear-tear of the involved tooling. However this inspection process, which is considered as auxiliary process, needs to have minimum cycle time in order to effectively have more quality units to be produced. In this paper we describe Computer Aided Process Planning (CAPP) in order to complete Computer Aided Inspection (CAI) process using CMM on the work-piece which is created through Computer Aided Design (CAD) and Manufacturing (CAM). This leads to Computer Integrated Manufacturing (CIM) process. As a result, the features, which need to be inspected, could be recognized from its corresponding CAD file and appropriate information could be culled out by the Dassault Software System to calculate the approach and retract points to inspect the features [Choudhury 03]. The main objective of this research paper is to determine the shortest collision free trajectory from the retract point of one feature being inspected to the approach point of another feature being inspected so that the sequencing for the set of trajectories could be calculated through existing Traveling Sales Person (TSP) algorithm in order to shorten the total distance travelled by the CMM probe, which in turn would linearly reflect in reducing the cycle inspection time. Further since different features in the work-piece might need to be inspected by different probes, an overhead time and displacement for probe change, needs to consider in order to shorten the cycle time. These include clustering of similar type of features, which can be inspected by the same probe. Also clustering of similar type of features need to be assessed against spatial distance of separation between the clusters that the probe has to travel. Since the CMM travels at a constant low speed and the different probes are of similar shape, size and comparatively very small weight, the motion dynamics of the CMM does not influence the total distance travelled for the inspection process. Our main contribution is in the development of a spatial algorithm which not only reduces the inter-feature distance but also does that by avoiding the potential for any collision with the feature or the artifact without the use of any computer vision or collision avoidance sensor information. The resulting spatial algorithm has implicit embedded information of feature clustering, which when fed into an optimization algorithm generates a path planning which would eventually shorten the cycle time. The illustration is done with two separate simulations.
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