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1
Mazzoli, Pietro. "Analisi termo-strutturale CHT-FEM di una testa motore." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017.
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Il lavoro di tesi tratta un’analisi CHT di una testa motore di Ducati Motor Holding spa.
Si è affrontato questo tema con l'intento di migliorare e rendere più accurata l'analisi di distribuzione delle temperature che si sviluppano nei componenti di una bancata motore in condizioni di potenza massima. Tale problematica nasce dagli sviluppi tecnologici degli ultimi decenni finalizzati a massimizzare nei motori a combustioni interna la potenza specifica, tenendo conto che questo crea un aumento significativo dei carichi termici sui componenti del motore.
Una sempre maggiore precisione nell'analisi termica risulta quindi necessaria e, in questo lavoro di tesi, si è cercato di ottenerla grazie ad una simulazione CFD-CHT (Conjugate Heat Transfer), in cui si simula e calcola contemporaneamente la conduzione di calore nei componenti solidi accoppiati e combinati al trasferimento di calore per convezione in un fluido, ma anche grazie all'utilizzo di mesh poliedriche e non esaedriche.
Queste due principali novità sono presenti nel nuovo codice AVL FIRE M, che è stato lo strumento principale di studio e di lavoro della tesi.
Sono state eseguite diverse simulazioni, sia in regime stazionario che transitorio, cercando di ottenere una certa sensibilità su alcuni parametri fisici e sulla mesh poliedrica. L'analisi dei risultati è stata molto soddisfacente: si sono riscontrate distribuzioni di temperature nei componenti solidi molto simili a quelle ottenute da calcoli termici FEM precedentemente eseguiti dall'azienda.
In futuro si cercherà di affinare l'analisi numerica del problema, eseguendo ulteriori prove, al fine di individuare i setting di best practice sia per quanto riguarda la generazione della mesh poliedrica sia per quanto riguarda il setup di calcolo.
2
Chau, Kam-chiu Lawrence. "The ecology of fire in Hong Kong /." Hong Kong : University of Hong Kong, 1994. http://sunzi.lib.hku.hk/hkuto/record.jsp?B18933798.
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Huang, Kai. "Population and building factors that impact residential fire rates in large U.S. cities /." View online version, 2009. http://ecommons.txstate.edu/arp/287.
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Ierardi, James A. "A computer model of fire spread from engine to passenger compartments in post-collision vehicles." Link to electronic version, 1999. http://www.wpi.edu/Pubs/ETD/Available/etd-052499-135914/unrestricted/thesis.pdf.
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Steiner, Nicholas R. "Lessons from the investigation and analysis of real fires." Thesis, London South Bank University, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.265355.
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6
Candy, Katherine. "Mapping fire affected areas in northern Western Australia - towards an automatic approach." Candy, Katherine (2004) Mapping fire affected areas in northern Western Australia - towards an automatic approach. Masters by Research thesis, Murdoch University, 2004. http://researchrepository.murdoch.edu.au/500/.
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Wildfires across northern Australia are a growing problem with more than 2.5 million hectares being burnt each year. Accordingly, remote sensing has been used as a tool to routinely monitor and map fire histories. In northern Western Australia, the Department of Land Information Satellite Remote Sensing Services (DLI SRSS) has been responsible for providing and interpreting NOAA-AVHRR (National Oceanic and Atmospheric Administration-Advanced Very High Resolution Radiometer) data. SRSS staff utilise this data to automatically map hotspots on a daily basis, and manually map fire affected areas (FAA) every nine days. This information is then passed on to land managers to enhance their ability to manage the effects of fire and assess its impact over time.
The aim of this study was to develop an algorithm for the near real-time automatic mapping of FAA in the Kimberley and Pilbara as an alternative to the currently used semimanual approach. Daily measures of temperature, surface reflectance and vegetation indices from twenty nine NOAA-16 (2001) passes were investigated. It was firstly necessary to apply atmospheric and BRDF corrections to the raw reflectance data to account for the variation caused by changing viewing and illumination geometry over a cycle.
Findings from the four case studies indicate that case studies 1 and 2 exhibited a typical fire response (visible and near-infrared channels and vegetation indices decreased), whereas 3 and 4 displayed an atypical response (visible channel increased while the near-infrared channel and vegetation indices decreased). Alternative vegetation indices such as GEMI, GEMI3 and VI3 outperformed NDVI in some cases. Likewise atmospheric and BRDF corrected NDVI provided better performance in separating burnt and unburnt classes.
The difficulties in quantifying FAA due to temporal and spatial variation result from numerous factors including vegetation type, fire intensity, rate of ash and charcoal dispersal due to wind and rain, background soil influence and rate of revegetation. In this study two different spectral responses were recorded, indicating the need to set at least two sets of thresholds in an automated or semi-automated classification algorithm. It also highlighted the necessity of atmospheric and BRDF corrections.
It is therefore recommended that future research apply atmospheric and BRDF corrections at the pre-processing stage prior to analysis when utilising a temporal series of NOAAAVHRR data. Secondly, it is necessary to investigate additional FAA within the four biogeographic regions to enable thresholds to be set in order to develop an algorithm. This algorithm must take into account the variation in a fire's spectral response which may result from fire intensity, vegetation type, background soil influence or climatic factors.
7
Berkley, Evelyn L. "Temporal and spatial variability of fire occurrence in Western Oregon, A.D. 1200 to present /." view abstract or download file of text, 2000. http://wwwlib.umi.com/cr/uoregon/fullcit?p1402785.
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Thesis (M.S.)--University of Oregon, 2000.Computer optical disc in pocket of back cover titled: Animated time series of fire occurrence in Western Oregon, A.D. 1200-2000. Typescript. Includes vita and abstract. Includes bibliographical references (leaves 107-110). Also available for download via the World Wide Web; free to UO users.
8
Archibald, Robert D. "Fire and the persistence of tuart woodlands /." Access via publisher's site, 2006. http://wwwlib.murdoch.edu.au/adt/browse/view/adt-MU20071130.140115.
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Kodandapani, Narendran. "Fire regimes and their ecological effects in seasonally dry tropical ecosystems in the Western Ghats, India." Diss., Connect to online resource - MSU authorized users, 2006.
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10
Pool, Christiaan Frederik. "The effect of modified fuel loads on fire behaviour in Pinus patula and Eucalyptus macarthurii stands in the Mpumalanga Highveld forestry region of South Africa." Thesis, Nelson Mandela Metropolitan University, 2013. http://hdl.handle.net/10948/d1010958.
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The effectiveness of harvesting slash treatments are questionable when wild fires, fuelled by post harvesting slash, burn out of control. In order to quantify effectiveness of various slash treatments, fire behaviour in Pinus patula and Eucalyptus macarthurii compartments in the Highveld area (Piet Retief) of Mpumalanga, South Africa, were assessed after application of five different post-harvesting slash treatments. Treatments included mulching, chopper rolling, windrowing, removal of slash (inter-windrowing) and broadcasting. Independent fuel and environmental variables were measured prior and during application of fire to the study areas and effects on fire behaviour were compared afterwards. Dependant fire behaviour variables such as the rate of spread, fire temperature and flame height were measured in respective slash treatment plots and compared. Results of the study indicated that fire behaviour assessed in mulched areas in both the P. patula and E. macarthurii compartments were significantly less intense when compared to fire behaviour in chopper roll, broadcast and windrow treatments. Fire behaviour in mulched plots compared favourably with areas where harvesting slash was removed (inter-windrow treatment). Comparisons between fuel loads of different treatments also indicated accelerated mineralization of organic material in mulched areas. Mulching of harvesting slash seems to be an effective method to restrict fire behaviour in post-harvesting compartments and should be considered as part of a fire management strategy.
11
Dunn, Michael J. "Full-Scale Testing of Fire Suppression Agents on Unshielded Fires." University of Canterbury. Civil Engineering, 1998. http://hdl.handle.net/10092/8241.
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A comparison is made between CAFS (compressed air Foam), HPD (High Pressure Discharge) and HPD with Class A Solution on unshielded post flashover compartment fires. Extinguishment was carried out by trained fire fighters using hand held lines, whilst the method of attack was carried out following New Zealand Fire Service operating procedures. The effectiveness of each method was determined, by recording the heat release rate using the method of Oxygen Calorimetry. Knockdown effectiveness was also evaluated by recording internal compartment temperatures with the use of thermocouples. In addition comments from firefighters have been recorded and video footage reviewed so that a qualitative assessment could also be made.
It was found that CAFS performed more effectively than HPD or Class A solution, in that less water was needed to obtain a similar knockdown performance. No noticeable benefit was obtained when Class A solution was added to the unmodified HPD line. The biggest advantage of CAFS over the other methods was the ability in being able to attack the compartment indirectly from a distance, which has additional benefits with respect to fire fighter safety.
12
Dell'Orfano, Michael E. "Fire Behavior and Fuel Modeling of Flammable Shrub Understories in Northeastern Pine-Oak Forests." Digital WPI, 2004. https://digitalcommons.wpi.edu/etd-theses/1070.
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"This thesis evaluates the effectiveness of BEHAVE: Fire Behavior Prediction and Fuel Modeling System in predicting fire behavior in the Northeastern pine-oak forest. This fuel complex is composed primarily of a litter and huckleberry shrub understory with a pitch pine and oak overstory. Measurements of fuel bed physical characteristics, weather and fire behavior are taken from a series of prescribed burn studies in Cape Cod National Seashore in Massachusetts. Site-specific fuel models are constructed which provide the necessary inputs for fire predictions. Observed spread rates and flame lengths are over-predicted by BEHAVE for burns conducted during the winter (dormant season) and under-predicted for burns conducted during the summer (growing season). Attempts to improve winter predictions are successful when the litter moisture is adjusted in order to account for the live wintergreen which increases the overall moisture content of the surface fuels. A sensitivity study is performed where each input parameter is varied over a reasonable interval in order to view its impact on predictions. The model’s high sensitivity to fuel bed depth and 1-hr surface-area-to-volume ratio appear to be the cause for fire prediction deviations during the winter, while the high live fuel moisture contents appear to overwhelm and suppress fire behavior predictions during the summer. It is concluded to overwhelm and suppress fire behavior predictions during the summer. It is concluded that BEHAVE’s representation of fuel complexes as a homogeneous fuel bed with constant properties does not take into account the unique features of the litter and shrub components. An alternative, simple model of fire spread is developed which treats each component as a separate fuel bed. The model is based on a measurement of the heat release rate which can be determined directly through the principle of oxygen consumption calorimetry. Future work using small- and large- scale testing apparatus will help determine the ignition process of the live shrubs and the effect of parameters such as moisture content on the burning characteristics of the fuels. "
13
Parkes, Anthony Richard. "The impact of size and location of pool fires on compartment fire behaviour." Thesis, University of Canterbury. Civil and Natural Resources Engineering, 2009. http://hdl.handle.net/10092/3444.
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An understanding of compartment fire behaviour is important for fire protection
engineers. For design purposes, whether to use a prescriptive code or performance
based design, life safety and property protection issues are required to be assessed. The
use of design fires in computer modelling is the general method to determine fire safety.
However these computer models are generally limited to the input of one design fire,
with consideration of the complex interaction between fuel packages and the
compartment environment being simplified. Of particular interest is the Heat Release
Rate, HRR, as this is the commonly prescribed design parameter for fire modelling. If
the HRR is not accurate then it can be subsequently argued that the design scenario may
be flawed. Therefore the selection of the most appropriate fire design scenario is
critical, and an increased level of understanding of compartment behaviour is an
invaluable aid to fire engineering assumptions.
This thesis details an experimental study to enhance the understanding of the impact and
interaction that the size and location of pool fires within an enclosure have upon the
compartment fire behaviour. Thirty four experiments were conducted in a reduced scale
compartment (½ height) with dimensions of 3.6m long by 2.4m wide by 1.2m high
using five typical ventilation geometries (fully open, soffit, door, window and small
window). Heptane pool fires were used, located in permutations of three evenly
distributed locations within the compartment (rear, centre and front) as well as larger
equivalent area pans located only in the centre. This thesis describes the experimental
development, setup and results of the experimental study. To assist in the classification
of compartment fire behaviour during the experiments, a ‘phi’ meter was developed to
measure the time dependent equivalence ratio. The phi meter was developed and
configured to measure O₂, CO₂ and CO. The background development, calibration, and
experimental results are reported. A review of compartment fire modelling using Fire
Dynamics Simulator, has also been completed and the results discussed.
The results of this experimental study were found to have significant implications for
Fire Safety Engineering in that the size of the fire is not as significant as the location of
the fire. The effect of a fire near the vent opening was found to have a significant impact
on compartment fire behaviour with the vent located fuel source increasing the total
compartment heat release rate by a factor of 1.7 to that of a centrally placed pool fire of
the same total fuel area. The assumption that a fire located in the centre of the room
provides for the highest heat release rate is not valid for post-flashover compartment
fires. The phi meter was found to provide good agreement with the equivalence ratio
calculated from total compartment mass loss rates, and the results of FDS modelling
indicate that the use of the model in its current form can not be applied to complex pool
fire geometries.
14
Slapničková, Zuzana. "Společenská odpovědnost firem a její vliv na image firem." Master's thesis, Vysoká škola ekonomická v Praze, 2008. http://www.nusl.cz/ntk/nusl-3325.
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Analýzou konceptu CSR dojdeme k tomu, že společensky odpovědné chování podniků je celkový koncept chování podniku, které je v souladu s principy trvale udržitelného rozvoje a trvale udržitelné spotřeby, podniky jej aplikují dobrovolně, ne na základě zákonů, směrnic či nařízení. Podnik provozující své podnikání dle konceptu CSR musí brát v úvahu oblast ekonomickou, společenskou a oblast životního prostředí, tedy tři pilíře CSR. Image je obrazem, který si vytváříme o skutečných i imaginárních vlastnostech produktu nebo značky, i představou o potřebách, které může uspokojit. Dodržování konceptu CSR je klíčové pro dosažení dobré reputace a pozitivního image firmy.
15
Holický, Martin. "Ranking finanční výkonnosti firem žebříčku '100 NEJVÝZNAMNĚJŠÍCH FIREM ČR'." Master's thesis, Vysoká škola ekonomická v Praze, 2017. http://www.nusl.cz/ntk/nusl-358770.
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The diploma thesis deals with ranking of financial performance ranking of companies in period from 2011 to 2015. The main goal is to propose ones own ranking, which compares companies on the basis of indicators of financial analysis. Ranking contains seven models and indicators, which comprehensively evaluates important economical spheres of company and its environment. Signatures of assessment are given bankrupt and solvency models, absolute and relative economic value added, net present value. Partial goal is to compile seven independent rankings, which with the help of method of simple sum of ranking and method of distance from fictive object create final propose of ranking.
16
Kozlowski, Donald F. "Pre-fire functional condition and post-fire channel changes in northern Nevada streams 1999-2001 fires /." abstract and full text PDF (free order & download UNR users only), 2007. http://0-gateway.proquest.com.innopac.library.unr.edu/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1447637.
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Bistinas, Ioannis. "Global interactions between fire and vegetation, human activities and climate." Doctoral thesis, ISA-UL, 2016. http://hdl.handle.net/10400.5/12022.
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Doutoramento em Engenharia Florestal - Instituto Superior de Agronomia - ULVegetation fires are an important component of the earth’s system land processes and have a significant impact on the vegetation and CO2 dynamics. The global fire patterns are not thoroughly explored and the drivers of fire regimes in global scale are interconnected. However, several modelling assumptions are contradicted by exploring those relationships partially. At global scale, fire extent is fuel limited, with climatic variables showing both positive and negative influence on fuel moisture conditions, and humans showing a negative net effect. When isolating the influence of population density and assuming spatial nonstationarity, the human impact is very detailed and reflects the main land use activities with emphasis on cropland and rangeland management at continental scale. The footprint of fire into the Earth system can be measured in terms of radiative forcing from pre and post-fire albedo changes, with the forest biomes driving the extremes on annual basis. Additionally this thesis explores the patterns and the trends of contemporary fire activity. Contrary to previous studies, the results show non-monotonic patterns at grid cell level. The findings of this thesis give a better insight into the spatial variability and the controls of fire at global scale using satellite derived datasets with a focus to the anthropogenic land use activities
18
Luisi, Domenico. "Conceptual design and specification of a microsatellite forest fire detection system /." Online version of thesis, 2007. http://hdl.handle.net/1850/5771.
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Balfour, Victoria Nairn. "The effect of forest fires on runoff rates the role of duff removal and surface sealing by vegetative ash, western Montana /." Diss., [Missoula, Mont.] : The University of Montana, 2007. http://etd.lib.umt.edu/theses/available/etd-12202007-181528/.
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Monson, Elizabeth Ida. "Simulations of Controlled Fires Using the One-Dimensional Turbulence Model with Application to Fire Spread in Wildland Fires." BYU ScholarsArchive, 2012. https://scholarsarchive.byu.edu/etd/3163.
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The mechanism of flame propagation in fuel beds of wildland fires is important to understand and quantify fire spread rates. Fires spread by radiative and convective heating and often require direct flame contact to achieve ignition. The flame interface in an advancing fire is unsteady and turbulent, making study of intermittent flames in complex fuels difficult. This thesis applies the one-dimensional turbulence (ODT) model to a study of flame propagation by simulating a lab-scale fire representative of the flame interface in a fuel bed and incorporating solid fuel particles into the ODT code. The ODT model is able to resolve individual flames (a unique property of this model) and provide realistic turbulent statistics. ODT solves diffusion-reaction equations on a line-of-sight that is advanced either in time or in one spatial direction (perpendicular to the line-of-sight). Turbulent advection is modeled through stochastic domain mapping processes. A vertical wall fire, in which ethylene fuel is slowly fed through a porous ceramic, is modeled to investigate an unsteady turbulent flame front in a controlled environment. Simulations of this configuration are performed using a spatial formulation of the ODT model, where the ODT line is perpendicular to the wall and is advanced up the wall. Simulations include radiation and soot effects and are compared to experimental temperature data taken over a range of fuel flow rates. Flame structure, velocities, and temperature statistics are reported. The ODT model is shown to capture the evolution of the flame and describe the intermittent properties at the flame edge, though temperature fluctuations are somewhat over predicted. A solid particle devolatilization model was included in the ODT code to study the convective heating of unburnt solid fuels through direct flame contact. Here the particles are treated as sweet gum hardwood and a single-reaction, first order decomposition model is used to simulate the devolatilization rates. Only preliminary results were presented for a simple case, but this extension of the ODT model presents new opportunities for future research.
21
Ho, San-Ping. "Water spray suppression and intensification of high flash point hydrocarbon pool fires." Link to electronic thesis, 2003. http://www.wpi.edu/Pubs/ETD/Available/etd-0829103-153046.
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Hakkarainen, Tuula. "Studies on fire safety assessment of construction products /." Espoo [Finland] : Technical Research Centre of Finland, 2002. http://www.vtt.fi/inf/pdf/publications/2002/P459.pdf.
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LeBlanc, David. "Fire Environments Typical of Navy Ships." Digital WPI, 2002. https://digitalcommons.wpi.edu/etd-theses/610.
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Current test methodologies used to evaluate the performance of protective clothing do not adequately determine the provided level of protection. The heat fluxes imposed by current evaluation methods are not specifically related to fire environments typical to those the clothing is designed provide protection against. The U.S. Navy is in the process of developing an improved process for testing the fire resistance of daily wear uniforms and protective gear. The first phase of this project involves evaluating currently used evaluation methods and identifying the severity of fire environments that would be expected aboard Navy ships. The examination of the test protocols currently in use identifies major weaknesses, providing the justification for a new test protocol. The first step in developing an improved test protocol is to determine the types of fire scenarios that would be expected aboard Navy vessels. The nearly infinite number of possible fires are reduced to 6 typical cases involving spray fires, pool fires and furniture fires in both compartmented and unconfined cases. An analysis of the environments produced by these types of fires is presented. The effects of compartmentation parameters are also investigated to determine the critical factors that affect the expected fire environment. Expected heat fluxes for all scenarios are presented at a number of distances from the fire.
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Bjervig, Joel, and Johan Slagbrand. "Thermal Imaging Platform for Drones : Cost-effective localization of forest fires." Thesis, Uppsala universitet, Institutionen för teknikvetenskaper, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-385834.
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A device for identifying forest fires in an early stage has been developed during the course of this project. Attached to a drone, this prototype will provide a live-stream to a web server displaying a blended frame, made of a thermographic image showing thermal radiation and a regular photography with the visible light. The platform consists of a small single-boarded computer, a thermal camera sensor and a regular camera module. All powered by a power bank and fitted into a custom made 3D printed plastic case. At startup the computer automatically executes scripts written in Python, initializing its sensor components and processes the captured images which finally gets transmitted to a live-stream via a web server connection. Everything described above worked well, but originally the intent was for the web interface to provide a map with the current location coordinates of the drone. Since a module for mobile communication with support for GPS was not acquired, any implementation of such kind was impossible. However, several drone models already possess the feature to obtain such coordinates.
25
Havlík, Jakub. "Management multikulturních firem." Master's thesis, Vysoké učení technické v Brně. Fakulta podnikatelská, 2015. http://www.nusl.cz/ntk/nusl-225054.
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Master’s thesis deals with issues of personal management in multinational companies, evaluation of company’s strategy success rate, management and international manager’s performance assessment. Furthermore, investments into manager’s development are evaluated and cultural standards of Czech rep. and France are compared. Based on research, suggestions, which might be useful for future development of company and its managers, are listed in the final part of the thesis.
26
Nebesař, Jakub. "Vizuální komunikace firem." Master's thesis, Vysoká škola ekonomická v Praze, 2007. http://www.nusl.cz/ntk/nusl-1353.
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Práce upozorňuje na prostředky vizuální komunikace, charakterizuje proces komunikace a její podoby, vizuální působení firem prostřednictvím grafických prvků ve firemních dokumentech a na webových stránkách, vymezuje kritéria hodnocení webových stránek a zaměřuje se na oblast vizuálního působení firemních webových stránek. Práce také hodnotí konkrétní webové stránky některých leasignových společností působících na českém trhu.
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Balaštíková, Helena. "Společenská odpovědnost firem." Master's thesis, Vysoká škola ekonomická v Praze, 2007. http://www.nusl.cz/ntk/nusl-2635.
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Charakteristika CSR - definice konceptu, co není CSR, stakeholders, základní oblasti aplikace CSR, přínosy CSR, rizika pro firmu vyplývající z nepřijetí konceptu, kritika a obhajoba CSR, základní mezníky rozvoje konceptu společenské odpovědnosti, příbuzné pojmy. Subjekty se zájmem o společenskou odpovědnost - organizace zabývající se CSR, CSR a stát, společensky odpovědné investování. Měření a reportování CSR - prezentace společensky odpovědného chování, standardy. Zhodnocení přístupů vybraných firem k CSR.
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Steinerová, Magdaléna. "Společenská odpovědnost firem." Master's thesis, Vysoká škola ekonomická v Praze, 2008. http://www.nusl.cz/ntk/nusl-3571.
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Cílem diplomové práce je pomoci firmám překonat bariéry úspěšného fungování konceptu společenské odpovědnost firem (CSR) a poskytnout jim návod, jak efektivně CSR zavést. Pro účely této práce bylo vytvořeno několik praktických nástrojů určených k analýze současného odpovědného přístupu firmy. Jedná se zejména o sebehodnotící dotazníky a formulář zaměstnaneckého průzkumu na téma CSR. Práce také nabízí velké množství příkladů z praxe zahraničních firem, které mohou posloužit jako cenný zdroj inspirace.
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Cvejnová, Ivana. "Společenská odpovědnost firem." Master's thesis, Vysoká škola ekonomická v Praze, 2008. http://www.nusl.cz/ntk/nusl-11678.
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The diploma thesis is focused on important issues in corporate social responsibility (CSR). The first part of the work introduces CSR conception, its history, development and today's role in international, national and business context. Next chapter takes to parts the process of implementation of CSR principles into the business strategy. Last chapter of theoretical part deals with communication in CSR field. Practical part performs confrontation of CSR strategy of GE Money Bank and its corporation (General Electric). There is the list of positives, negatives a recommandation for improvement shown at the end. The second part of practical work introduces and evaluates CSR communication in GE Money Bank. Main purpose of this thesis is to create the list of all important benefits, risks and deficiencies in the CSR concept. The goal is achieved in all parts of the work. summary of benefits and possible risks stays in theoretical basis and also in evaluation. The second effort is to confirm hypothesis that communication is the key tool of success in implementation and aplication CSR principles into business strategy. Theoretical finding and also evaluation of communication CSR strategy in GE Money Bank, a.s helps to validate this statement.
30
Nováková, Pavla. "Marketing ekologických firem." Master's thesis, Vysoká škola ekonomická v Praze, 2010. http://www.nusl.cz/ntk/nusl-77794.
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The goal of this Master's Thesis was to map and asses marketing of Green Companies in the Czech Republic and abroad and based on some basic characteristics to evaluate the economical profitability of this business and its future prospects. The Thesis is about ecological products and customer's possibilities to become informed enough about them and to choose the right one. The Thesis focuses on some companies operating on the energy market. These companies are very often placed on the top of green rankings. Based on my experience environmental activity is evaluated in the department of operating leasing in the ČSOB Leasing a.s. company.
31
Nezdařilová, Andrea. "Společenská odpovědnost firem." Master's thesis, Vysoká škola ekonomická v Praze, 2011. http://www.nusl.cz/ntk/nusl-113589.
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The aim of my thesis is to consider a contemporain concept of the corporate social responsibility (CSR) and all relative activities in the international company and to propose a potential development of this concept for a specific region. Theoretical part explains fundamental features of the corporate social responsibility, its' history, three pillars and organizations which are dedicated to this concept. Practical part of this paper analyses the system of CSR in the international company. In this part there is a history of the CSR applicated in the company, the rating and the contemporain status of the corporate social responsibility. There are mentioned also the methods of measurement of CSR which proclaim the level of corporate social responsibility in the company. There is a focus on the concept of CSR applicated in the Czech republic and some new ideas how to improve it.
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Saňková, Veronika. "CSR v praxi českých firem - komparace sdělení českých a zahraničních firem." Master's thesis, Vysoká škola ekonomická v Praze, 2008. http://www.nusl.cz/ntk/nusl-16489.
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This diploma thesis describes the situation of CSR in the Czech Republic, by investigating CSR statements addressed to the stakeholders of the Czech firms on their websites, and comparing them to the results of a world investigation. The theoretical part involves a definition of CSR, its history and wider context of sustainable development. It also describes the grounds of stakeholder theory and stakeholder relationship management. The practical part begins with a description of the world investigation of CSR statements, and continues with other investigations about the importance of stakeholders for the firms which were conducted in the West, and in the Middle and Eastern Europe. Researches in the Czech Republic follow. Finally, the results of this diploma thesis are introduced -- the groups of stakeholders to which Czech firms address their statements and categories of these statements. As a conclusion, recommendations for the Czech firms are formulated
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Oregon, Rogelio S. "Smart fires a COTS approach to tactical fire support using a smartphone." Thesis, Monterey, California. Naval Postgraduate School, 2011. http://hdl.handle.net/10945/5469.
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Approved for public release; distribution is unlimited.Communications in wartime are critical. The United States Marine Corps communicates well using a variety of radios, each for a specialized and limited purpose. However, the USMC could potentially benefit from the exploration of combining communication capabilities in a single device by leveraging commercial off-the-shelf software and expanding the existing network infrastructure. This thesis seeks to resolve this gap in capabilities by providing a fire support application prototype that serves as a proof-of-concept for rapidly developable applications that would have an immediate positive impact, providing enhanced warfighter capabilities. If successful, this application could be further developed and fielded, and thus improve warfighting capabilities and inform future efforts in an effort to accomplish improved network management and the efficient use of existing and future communication technologies.
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Neviackas, Andrew. "Inverse fire modeling to estimate the heat release rate of compartment fires." College Park, Md.: University of Maryland, 2007. http://hdl.handle.net/1903/7290.
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Thesis (M.S.) -- University of Maryland, College Park, 2007.Thesis research directed by: Dept. of Fire Protection Engineering. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
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Kotsovinos, Panagiotis. "Analysis of the structural response of tall buildings under multifloor and travelling fires." Thesis, University of Edinburgh, 2013. http://hdl.handle.net/1842/8007.
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The last decades have seen a surge in the construction of tall buildings all over the world. Due to their, often, innovative and complex layouts, tall buildings can pose unique challenges to architects and engineers. Previous tall building failures raised significant concerns on the applicability of prescriptive fire design for these structures. The use of structural fire engineering can enhance the safety of a tall building under fire by strengthening any vulnerable areas in the structure and at the same time reduce the costs of fire protection by removing it when unnecessary. Commercial finite element and specialist structural fire engineering software have their advantages and disadvantages. In this thesis, the object-oriented and open-source finite element software OpenSees is presented along with its development with structural fire capabilities by the author and other researchers at the University of Edinburgh. Specifically, new pattern, element, section and material classes have been introduced. All the developed code follows the object-oriented paradigm and is consistent with the ethos of the existing framework. Verification and validation studies of the developed code are also presented. Several procedures including that for dynamic analysis of structures in fire for the collapse assessment of structures are discussed. The development of OpenSees with structural fire capabilities allows the collaboration of engineers across geographical boundaries and disciplines using a community tool. In this work, the behaviour of tall buildings under different fire scenarios has been modelled using the developed OpenSees code. Firstly, the collapse mechanisms of generic tall buildings are investigated, namely the strong and weak floor mechanisms are demonstrated, and criteria are established on when each of these mechanisms occurs. The parametric study performed demonstrated that the weak floor collapse is less probable for generic composite buildings however this type of failure can become easier to appear as the number of floors in fire increase. The effect of vertically travelling fires on these mechanisms is also examined. The results of the study show that slower travelling rates delay or avoid the global failure of a tall building compared to quicker travelling rates allowing for the time required for steel members to regain their strength during cooling to ambient temperature. However, it was seen that higher tensile membrane forces were observed in the floors as the travelling rates increased which could result in possible connection failure. Most of the research and design codes, such as Eurocode, typically assume a uniform thermal environment across the floor area of a structure when defining the design fire. However, in reality fires are more likely to travel in large enclosures, hence there is a need to understand how tall buildings behave under more realistic fire conditions such as travelling fires. A methodology for defining the thermal environment of large enclosures using travelling fires has been recently developed at the University of Edinburgh. Taking into account OpenSees' programmable architecture and its recent inclusion with heat transfer capabilities by other researchers, there was a collaborative effort in order to understand the thermal and structural response of a generic composite tall building under horizontally travelling fires. The findings of the study showed that larger travelling fire sizes produce quicker heating to the steel beams while smaller fire sizes produce higher peak temperatures in the concrete slab. The structural analysis also demonstrated that travelling fires produced higher midspan deflections in comparison to Eurocode parametric fires and higher plastic deformations which is an indication of higher damage. Further work focused on looking at the behaviour of tall buildings under the combined scenario of horizontally and vertically travelling fires. The results of the study showed that the travelling fires produce lower maximum compressive and tensile membrane forces in the composite floor compared to the Eurocode parametric fires for the building examined and thus in a multi-floor scenario the columns are pulling-in less after large deflections develop in the floor. More specifically, the short-hot fire produced the most demanding response. This suggests that in long floors where uniform heating is really impossible, the time of failure predicted by parametric fires in a multi-floor scenario can be more onerous. The outcomes of this work can aid designers when considering the structural fire response of tall buildings in a performance based design context. It was demonstrated that multi-floor fires could be a threat for tall buildings, and thus this possibility should be considered in design. The use of more realistic fire definition for large enclosures, such as travelling fires, should also be considered. The travelling fire methodology can provide an enhanced level of confidence for the safety of a building since it can represent a range of similar fires to those that may occur in a real fire scenario.
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Klasová, Zuzana. "Výzkum tržní orientace firem." Master's thesis, Vysoké učení technické v Brně. Fakulta podnikatelská, 2009. http://www.nusl.cz/ntk/nusl-222315.
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The master thesis deals with the problem of companies market orientation research and resolves the relation between the measure of market orientation and companies culture. Obtained information and companies position in specified field is evaluated in accordance with established objectives.
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Klímová, Kateřina. "Analýza rodinného portfolia firem." Master's thesis, Vysoká škola ekonomická v Praze, 2007. http://www.nusl.cz/ntk/nusl-9317.
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I substantially evaluate a family business portfolio from the point of view of owners. The portfolio is a group of small companies with maximum 20 employees. Main goal of the thesis is design a strategic plan which enable owners to achieve their goals. Methods are adapted (their detail and complexity) for increasing probability of their successful implementation.
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Reitmayerová, Lucie. "Analýza daňového zatížení firem." Master's thesis, Vysoká škola ekonomická v Praze, 2010. http://www.nusl.cz/ntk/nusl-76164.
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This diploma thesis is focused on measuring the corporate tax burden with the implicit and statutory corporate tax rates within the European Union. The aim of this study is to compare tax burdens across the European Union. Furthermore, to determine whether the implicit tax rate on corporate income depends on the following factors; statutory tax rate, depreciation period of certain assets, tax preferences of research and development, investment incentives or the possibility of transfer of tax losses. In the period 1995 to 2010 the average statutory corporate tax rate decreased significantly. The development of average implicit tax rate on corporate income was not so clear. The differences exist mainly between the Old and New Member States. The performed analysis did not prove dependence of implicit tax rates on corporate income on the above mentioned factors.
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Zadražilová, Lucie. "Multikulturalita firem v EU." Master's thesis, Vysoká škola ekonomická v Praze, 2010. http://www.nusl.cz/ntk/nusl-76393.
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The topic of the thesis is Multiculturalism of the companies in the European Union as one of the approach of managing cultural diversity. The aim of the thesis is to provide an overview on different approaches to this topic based on different materials already published as well as on good practices used in the companies. The main question of the thesis is: DO the companies on the EU market go toward the model of multicultural organization? The thesis contains of four parts. The first one explains most important terms which are multiculturalism, diversity and diversity management. It also summarizes the brief history of diversity management as well as the importance of managing diversity. It explains also the factors creating the interest of cultural diversity and its management. The second part explains the perspective of the EU. It elaborates recent demographic changes as one of the external factors influencing the attitude toward managing diversity. It explains also the Immigration Policy of the EU in more details. EU legislation focusing on discrimination and equal opportunities is also part of this chapter. The third chapter focuses on diversity from the organizations point of view. It explains the Cox model as one of the theories of dividing companies based on their approach to cultural diversity. It also describes the main techniques used for the transition to multicultural company. The part of this chapter focuses also on multicultural teams and their performance. The last chapter of the thesis describes good practices in managing cultural diversity of the companies on the EU market and the particular tips created by EU to help small and medium enterprises to manager diversity.
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Fritscherová, Julie. "Ženy ve vedení firem." Master's thesis, Vysoká škola ekonomická v Praze, 2015. http://www.nusl.cz/ntk/nusl-264250.
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The aim of this thesis is to analyze the current situation of women in managerial positions in relation to the obstacles that hinder their career progression, as well as naming the features and capabilities that they prefer, and to characterize the possible existence of female leadership style. The theoretical part focuses on the role of women in society, concepts related to gender issues and the difference between management and leadership. I also deal with selected models describing the approach of managers to their subordinates. In the practical part based on qualitative research methods, I find out what opinion managers have to that situation in the Czech Republic. In conclusion, the thesis provides recommendations for a more detailed investigation of the area.
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Dai, Xu. "Extended travelling fire method framework with an OpenSees-based integrated tool SIFBuilder." Thesis, University of Edinburgh, 2018. http://hdl.handle.net/1842/33088.
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Many studies of the fire induced thermal and structural behaviour in large compartments, carried out over the past two decades, show a great deal of non-uniformity, unlike the homogeneous compartment temperature assumption in the current fire safety engineering practice. Furthermore, some large compartment fires may burn locally and they tend to move across entire floor plates over a period of time as the fuel is consumed. This kind of fire scenario is beginning to be idealized as 'travelling fires' in the context of performance‐based structural and fire safety engineering. However, the previous research of travelling fires still relies on highly simplified travelling fire models (i.e. Clifton's model and Rein's model); and no equivalent numerical tools can perform such simulations, which involves analysis of realistic fire, heat transfer and thermo-mechanical response in one single software package with an automatic coupled manner. Both of these hinder the advance of the research on performance‐based structural fire engineering. The author develops an extended travelling fire method (ETFM) framework and an integrated comprehensive tool with high computational expediency in this research, to address the above‐mentioned issues. The experiments conducted for characterizing travelling fires over the past two decades are reviewed, in conjunction with the current available travelling fire models. It is found that no performed travelling fire experiment records both the structural response and the mass loss rate of the fuel (to estimate the fire heat release rate) in a single test, which further implies closer collaboration between the structural and the fire engineers' teams are needed, especially for the travelling fire research topic. In addition, an overview of the development of OpenSees software framework for modelling structures in fire is presented, addressing its theoretical background, fundamental assumptions, and inherent limitations. After a decade of development, OpenSees has modules including fire, heat transfer, and thermo‐mechanical analysis. Meanwhile, it is one of the few structural fire modelling software which is open source and free to the entire community, allowing interested researchers to use and contribute with no expense. An OpenSees‐based integrated tool called SIFBuilder is developed by the author and co‐workers, which can perform fire modelling, heat transfer analysis, and thermo-mechanical analysis in one single software with an automatic coupled manner. This manner would facilitate structural engineers to apply fire loading on their design structures like other mechanical loading types (e.g. seismic loading, gravity loading, etc.), without transferring the fire and heat transfer modelling results to each structural element manually and further assemble them to the entire structure. This feature would largely free the structural engineers' efforts to focus on the structural response for performance-based design under different fire scenarios, without investigating the modelling details of fire and heat transfer analysis. Moreover, the efficiency due to this automatic coupled manner would become more superior, for modelling larger structures under more realistic fire scenarios (e.g. travelling fires). This advantage has been confirmed by the studies carried out in this research, including 29 travelling fire scenarios containing total number of 696 heat transfer analysis for the structural members, which were undertaken at very modest computational costs. In addition, a set of benchmark problems for verification and validation of OpenSees/SIFBuilder are investigated, which demonstrates good agreement against analytical solutions, ABAQUS, SAFIR, and the experimental data. These benchmark problems can also be used for interested researchers to verify their own numerical or analytical models for other purposes, and can be also used as an induction guide of OpenSees/SIFBuilder. Significantly, an extended travelling fire method (ETFM) framework is put forward in this research, which can predict the fire severity considering a travelling fire concept with an upper bound. This framework considers the energy and mass conservation, rather than simply forcing other independent models to 'travel' in the compartment (i.e. modified parametric fire curves in Clifton's model, 800°C‐1200°C temperature block and the Alpert's ceiling jet in Rein's model). It is developed based on combining Hasemi's localized fire model for the fire plume, and a simple smoke layer calculation by utilising the FIRM zone model for the areas of the compartment away from the fire. Different from mainly investigating the thermal impact due to various ratios of the fire size to the compartment size (e.g. 5%, 10%, 25%, 75%, etc.), as in Rein's model, this research investigates the travelling fire thermal impact through explicit representation of the various fire spread rates and fuel load densities, which are the key input parameters in the ETFM framework. To represent the far field thermal exposures, two zone models (i.e. ASET zone model & FIRM zone model) and the ETFM framework are implemented in SIFBuilder, in order to provide the community a 'vehicle' to try, test, and further improve this ETFM framework, and also the SIFBuilder itself. It is found that for 'slow' travelling fires (i.e. low fire spread rates), the near‐field fire plume brings more dominant thermal impact compared with the impact from far‐field smoke. In contrast, for 'fast' travelling fires (i.e. high fire spread rates), the far‐field smoke brings more dominant thermal impact. Furthermore, the through depth thermal gradients due to different travelling fire scenarios were explored, especially with regards to the 'thermal gradient reversal' due to the near‐field fire plume approaching and leaving the design structural member. This 'thermal gradient reversal' would fundamentally reverse the thermally‐induced bending moment from hogging to sagging. The modelling results suggest that the peak thermal gradient due to near‐field approaching is more sensitive to the fuel load density than fire spread rate, where larger peak values are captured with lower fuel load densities. Moreover, the reverse peak thermal gradient due to near‐field leaving is also sensitive to the fuel load density rather than the fire spread rate, but this reverse peak value is inversely proportional to the fuel load densities. Finally, the key assumptions of the ETFM framework are rationalised and its limitations are emphasized. Design instructions with relevant information which can be readily used by the structural fire engineers for the ETFM framework are also included. Hence more optimised and robust structural design under such fire threat can be generated and guaranteed, where we believe these efforts will advance the performance‐based structural and fire safety engineering.
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Xing, Hui Juan. "Dynamics of confined fire plumes : a study of interactions between fires and surfaces." Thesis, University of Sheffield, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.390744.
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Beller, Douglas K. "Alternate Computer Models of Fire Convection Phenomena for the Harvard Computer Fire Code." Digital WPI, 2000. https://digitalcommons.wpi.edu/etd-theses/892.
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"Alternate models for extended ceiling convection heat transfer and ceiling vent mass flow for use in the Harvard Computer fire Code are developed. These models differ from current subroutines in that they explicitly consider the ceiling jet resulting from the fire plume of a burning object. The Harvard Computer fire Code (CFC) was used to compare the alternate models against the models currently used in CFC at Worcester Polytechnic Institute and with other available data. The results indicate that convection heat transfer to the ceiling of the enclosure containing the fire may have been previously underestimated at times early in the fire. Also, the results of the ceiling vent model provide new insight into ceiling vent phenomena and how ceiling vents can be modeled given sufficient experimental data. this effort serves as a qualitative verification of the models as implemented; complete quantitative verification requires further experimentation. Recommendations are also included so that these alternate models may be enhanced further. "
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Cheung, Wing-yi Winnie, and 張詠兒. "A study of fire safety awareness in domestic buildings in Hong Kong." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2009. http://hub.hku.hk/bib/B44400573.
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Bai, Yang. "Investigation of the natural smoke exhaust of an atrium by the CFD method." Thesis, University of Macau, 2017. http://umaclib3.umac.mo/record=b3691690.
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Oom, Duarte Pedro Jácome Félix. "Modelling global pyrogeography using data derived from satellite imagery." Doctoral thesis, ISA-UL, 2016. http://hdl.handle.net/10400.5/12042.
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Doutoramento em Engenharia Florestal e dos Recursos Naturais - Instituto Superior de Agronomia - ULVegetation burning has an important impact on the global atmosphere and vegetated land surface. Deforestation fires, peatland fires, and ecosystems with shortening fire return interval contribute substantially to the build-up of atmospheric greenhouse gases affecting environmental quality and the climate system at local and regional scales. Recognition of the role of fire in the Earth system led to its designation as an Essential Climate Variable (ECV), a physical, chemical, or biological variable that has a crucial contribution towards characterization of Earth’s climate. The central task of this thesis was the development of a new global classification and map of fire regimes, using multiple correspondence analysis and hierarchical clustering, and relying on active fire data from the Moderate Resolution Imaging Spectroradiometer (MODIS) MCD14ML product. That work was preceded by study dedicated to a thorough screening and exploratory spatial analysis of the dataset, and led to the development of an improved algorithm for identifying individual active fire clusters, and to global analysis of size inequality in their statistical distributions. In addition to this core research, other continental-global pyrogeography studies were developed, and are presented, dealing with: the time lag between the timing of optimal fire weather conditions and peak fire season dates as a diagnostic of anthropogenic vegetation burning; the spatial non-stationarity in the parameters of the relationship between population density and area burned; and the modulation of weekly cycles of vegetation burning in African croplands by regionally dominant religious affiliation. We hope that this set of studies may constitute a useful contribution to the burgeoning topic of global pyrogeography
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Fay, Terry S. "Development of an Improved Fabric Flammability Test." Digital WPI, 2002. https://digitalcommons.wpi.edu/etd-theses/896.
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The Navy Clothing and Textile Research Facility (NCTRF) has been conducting fabric research for many decades. This project is a joint effort in establishing new test methods for evaluating the thermal protection garments provide. As a result of this project a new full scale test facility was constructed and is now operational. In this facility, a new traversing manikin test has been developed and will hopefully become a recognized test standard in the future.
The traversing manikin test is designed to work with current test methods but also to provide a more detailed evaluation of a garment. Incorporated into the facility is the ability to reconfigure the fire source to recreate design fires that resemble those likely to occur onboard naval ships.
While the data gather thus far is limited, it is believed with future testing a large set of data will be available to allow a cross comparison of this test with established test methods. "
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Small, Erin D. "Fire Ecology in the Acadian Spruce-Fir Region and Vegetation Dynamics Following the Baxter Park Fire of 1977." Fogler Library, University of Maine, 2004. http://www.library.umaine.edu/theses/pdf/SmallED2004.pdf.
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Lata, Mary Elizabeth. "Variables affecting first order fire effects, characteristics, and behavior in experimental and prescribed fires in mixed and tallgrass prairie." Diss., University of Iowa, 2006. http://ir.uiowa.edu/etd/72.
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Vlasová, Tereza. "Průzkum tržní orientace našich firem." Master's thesis, Vysoké učení technické v Brně. Fakulta podnikatelská, 2008. http://www.nusl.cz/ntk/nusl-221597.
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The thesis deals with the market orientation of high-tech companies based in the city of Brno. It measures the effects of market orientation on business performance, analyzes the relations between market orientation and business performance for chosen companies and evaluates logical structure of the questionnaire used for marketing research. Based on the results of the research the thesis contains solution proposals addressed to the given companies, points out their weaknesses and follows with the proposals for the structure of the questionnaire and its future application for researching market orientation of the companies.