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Dissertations / Theses on the topic 'Temperature rise of an motor'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Rajput, Mihir N. "Thermal modeling of permanent magnet synchronous motor and inverter." Thesis, Georgia Institute of Technology, 2016. http://hdl.handle.net/1853/55053.

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The purpose of my thesis is to establish a simple thermal model for a Parker GVM 210-150P motor and a SEVCON Gen4 Size8 inverter. These models give temperature variations of critical components in the motor and the inverter. My thesis will help Georgia Tech's EcoCAR-3 team in understanding the physics behind thermal modeling and why thermal study is necessary. This work is a prerequisite for Software in the Loop (SIL) simulations or Hardware in the Loop (HIL) simulations for a hybrid electric vehicle.

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2

Špérová, Alice. "Výpočet oteplení elektrických točivých strojů metodou tepelných sítí." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2009. http://www.nusl.cz/ntk/nusl-233457.

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Práce se zabývá konstrukcí a využitím tepelných sítí k simulaci oteplení elektrických motorů velkých výkonú. Po úvodu do termiky a teorie proudění je popsána konstrukce tří různých typů sítí pro odlišné ventilační schémata motoru. Dále jsou popsány optimalizační metody a jejich možnosti k tepelné optimalizaci motorů. Je vybrána a vysvělena Marquard-Levenbergova metoda a na konkrétním případě je vysvětleno její použití a výhody pro optimalizaci chlazení elektrického motoru. V závěru se práce zabývá také citlivostí teplotních sití na jednotlivé vstupní parametry, porovnáním simulací s měřenými v

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3

Bzduch, Pavel. "Využití počítačové grafiky v silnoproudé elektrotechnice." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2008. http://www.nusl.cz/ntk/nusl-217593.

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The aim of this work is to describe news in Autodesk Inventor Professional 2008. In second part of the work there are described the possibilities of technical drawing in Autodesk Inventor. In third part there is mentioned basic information about ANSYS Workbench. There is thermal simulation of asynchronous motor too.

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4

Parham, Arash. "Temperature rise of mass concrete in Florida." [Gainesville, Fla.] : University of Florida, 2004. http://purl.fcla.edu/fcla/etd/UFE0008823.

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5

Lee, Kyu-Hyun. "Temperature induced pressure differentials in high-rise buildings." Thesis, University of Ottawa (Canada), 1986. http://hdl.handle.net/10393/4667.

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6

Baker, Matthew A. B. "Temperature control of the bacterial flagellar motor." Thesis, University of Oxford, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.526566.

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7

Karaoglanova, Lina. "Temperature and mortality do the number of deaths in Washington DC rise as temperature increases? /." Connect to Electronic Thesis (CONTENTdm), 2009. http://worldcat.org/oclc/449185565/viewonline.

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8

Peyser, Cheryl E., Jianjun Yin, Felix W. Landerer, and Julia E. Cole. "Pacific sea level rise patterns and global surface temperature variability." AMER GEOPHYSICAL UNION, 2016. http://hdl.handle.net/10150/621707.

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During 1998-2012, climate change and sea level rise (SLR) exhibit two notable features: a slowdown of global surface warming (hiatus) and a rapid SLR in the tropical western Pacific. To quantify their relationship, we analyze the long-term control simulations of 38 climate models. We find a significant and robust correlation between the east-west contrast of dynamic sea level (DSL) in the Pacific and global mean surface temperature (GST) variability on both interannual and decadal time scales. Based on linear regression of the multimodel ensemble mean, the anomalously fast SLR in the western t

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9

Snefjellå, Øyvind Holm. "Silicon Carbide Technologies for High Temperature Motor Drives." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for elkraftteknikk, 2011. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-14037.

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Many applications benefit from using converters which can operate at high temperatures among them; down-hole drilling, hybrid vehicles and space craft. The theoretical performance of transistors made of Silicon Carbide (SiC) is investigated in this work. It is shown that their properties at high temperatures are superior compared to Silicon (Si) devices. Two half-bridge converters, using SiC normally-off Junction Field Effect Transistors (JFET) and SiC Bipolar Junction Transistors (BJT), are designed and tested to verify the performance of SiC devices. The challenges which arise when replacing

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10

Abdullah, Yousef. "GaN Integration For High Temperature Motor Drive Applications." The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1598047797819895.

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11

Yekkalam, Lary Nazanin. "Energy Balance and Temperature Rise Study in Cutting Station at Sandvik AB." Thesis, Högskolan i Gävle, Avdelningen för bygg- energi- och miljöteknik, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-12480.

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The project is a detail study of Energy Balance in cutting line station in Sandvik Mining and construction group. The aim of the project is reducing temperature and making a temperature balance inside the cutting line. During the recent years, many changes occur in production line. Existing cooling system cannot supply cutting area temperature below the desired level. Electrical Cables are melting due to high inside temperature. We attempted to study the old drawings and existing cooling system in cutting station to find out solutions to optimize and rebuild the old system. First part of study

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12

Bergkvist, Sandra, and Malin Läbom. "Motordrivet höj- och sänkbart TV-stativ : Motor-driven rise- and sinkable TV-stand." Thesis, Jönköping University, JTH, Mechanical Engineering, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-1280.

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<p>Det här examensarbetet har genomförts i samarbete med företaget ROL Ergo som konstruerar och tillverkar motordrivna höj- och sänkbara skrivbord. Företaget vill utvidga sitt sortiment genom att marknadsföra motordrivna höj- och sänkbara TVstativ mot den offentliga sektorn. Stativet ska konstrueras efter samma tekniska lösningar och principer som företaget redan tillämpar. Uppdraget delades ut som ett examensarbete till Jönköpings Tekniska Högskola, JTH.</p><p>Författarna har genom en tilldelad kravspecifikation och egna fältstudier på marknaden lagt grunden för utvecklingen av TV-stativet. G

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13

Tan, Tsuwei. "Temperature rise induced by a rotating/dithering laser beam on a finite solid." Thesis, Monterey, California. Naval Postgraduate School, 2010. http://hdl.handle.net/10945/4981.

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Approved for public release; distribution is unlimited<br>High energy laser weapons have been evolving progressively in recent years. These weapons deliver high-intensity beams to a target and can instantly destroy or burn it. They may cause potential threats to Navy ships, computer networks, guided missiles, and satellites in orbit. In order to reduce our military's vulnerability to high energy laser weapons, one possible countermeasure is to rotate or rock the object itself when it is hit by the laser beam. The main purpose of this thesis is to investigate the relationship between the sp

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14

Colquitt, James. "A New Crash Test: The Rise and Fall of Florida Motor Vehicle No-Fault Law." Honors in the Major Thesis, University of Central Florida, 2014. http://digital.library.ucf.edu/cdm/ref/collection/ETH/id/1581.

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Florida is one of 12 states that have a no-fault law. The first party benefit coverage is known as personal injury protection (PIP). Every policy sold in the state must include at least $10,000 in personal injury protection. This law went into effect in 1971 and is now being challenged. Changes in consumer, lawyer, and doctor behavior as well as changes in the legal and economic environment have diminished the positive impact of the no-fault law. This thesis will focus on the diminished effectiveness of the no-fault law in Florida. It will be based on research from primary sources. Other legal

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15

Tai, David Seechung. "A new model of moisture evaporation in composite materials in rapid temperature rise environments." Thesis, Massachusetts Institute of Technology, 1994. http://hdl.handle.net/1721.1/49920.

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16

Al-Tayie, Jawad K. "Speed and temperature estimation in the brushed DC motor and cage induction motor using the extended Kalman filter." Thesis, University of Newcastle Upon Tyne, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.299658.

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17

Stroud, Trevor. "Enhancing vehicle dynamics through real-time tyre temperature analysis." Thesis, Nelson Mandela Metropolitan University, 2013. http://hdl.handle.net/10948/d1020599.

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Vehicle suspension optimisation is a complex and difficult task, as there are a variety of factors influencing the dynamic performance of a vehicle. During suspension development, the optimisation of a selected few of these factors is often to the detriment of others, as they are all inter-related. In addition, expertise in vehicle setup and suspension tuning is scarce, and is limited to experienced racing teams and large automotive manufacturers with extensive research and development capabilities. The motivation for this research was therefore to provide objective and user-friendly methodolo

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18

Xian, Wei. "Development and test of a high temperature superconducting permanent magnet synchronous motor." Thesis, University of Cambridge, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.609701.

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19

Baghdadi, Mehdi. "Design and fabrication of the HTS synchronous motor using 2G-HTS stacked tapes." Thesis, University of Cambridge, 2016. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.709482.

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20

Özekin, Muhammed Kürşad. "Transnational corporations, state and classes in Turkey : the rise of new forms of dependent development in global automotive value chains." Thesis, University of Sussex, 2018. http://sro.sussex.ac.uk/id/eprint/73744/.

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21

Walker, Matthew James. "Fabrication of a Graphitic Layer for Nanotribological Studies of Temperature Rise in a Frictional Contact Area." NCSU, 2005. http://www.lib.ncsu.edu/theses/available/etd-12012005-095905/.

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In this thesis I use a quartz crystal microbalance (QCM) to investigate the interfacial heat rise of an adsorbed Kr layer on a single layer of graphite called graphene. The graphene surface is made by reacting CO to a 1000 Å thick Ni(111) surface at a temperature of 400 ºC. A 100 Å Ti layer is the base layer the Ni is deposited onto. The surface is characterized using Auger electron spectroscopy (AES) under ultra high vacuum conditions. The change in frequency vs. pressure/coverage graphs on a linear scale shows at what pressures a monolayer of Kr forms. The frequency vs. pressure/coverage gra

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22

Sae-Oui, Pongdhorn. "Measurement and modelling of the influence of hystersis on the internal temperature rise of rubber components." Thesis, Loughborough University, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.264012.

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23

Pongdhorn, Sae-Oui. "Measurement and modelling of the influence of hysteresis on the internal temperature rise of rubber components." Thesis, Loughborough University, 1997. https://dspace.lboro.ac.uk/2134/27205.

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Finite element analysis (FEA) is a numerical analysis method which is used widely to obtain approximate solutions in many fields of engineering. With sophisticated computer hardware and software. FEA has recently become an effective tool in the design of rubber components.

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24

Xu, Hongjian. "Neuronal mechanisms underlying temperature effects on the flight motor pattern of Locusta migratoria." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq20598.pdf.

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25

Sheikh, Vassiem. "Fresh properties, temperature rise and strength development of high strength concrete with binary and tertiary blended cements." Thesis, University College London (University of London), 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.395651.

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The use of high strength concrete in the construction industry has become more frequent as both the knowledge of the behaviour of the material and the confidence in its production have increased. An appropriate formulation of materials and mix proportions can result in significantly enhanced performance such as high early strength, reduced heat of hydration and increased durability. As a step towards obtaining optimum performance, an investigation has been carried out on the fresh properties (workability), temperature rise during hydration and strength development. This research was aimed at u

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26

Gao, Zhi. "Sensorless Stator Winding Temperature Estimation for Induction Machines." Diss., Georgia Institute of Technology, 2006. http://hdl.handle.net/1853/13966.

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The organic materials used for stator winding insulation are subject to deterioration from thermal, electrical, and mechanical stresses. Stator winding insulation breakdown due to excessive thermal stress is one of the major causes of electric machine failures; therefore, prevention of such a failure is crucial for increasing machine reliability and minimizing financial loss due to motor failure. This work focuses on the development of an efficient and reliable stator winding temperature estimation scheme for small to medium size mains-fed induction machines. The motivation for the stator

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27

Strmeň, Milan. "Měření teploty v elektrických strojích pomocí LabVIEW." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-218995.

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This work deals with using of virtual instrumental program LabView as a tool for thermal measuring at the surface of asynchronous engine. Its part is managing of problems of measuring by the aid of thermocouple, mainly conversion of thermoelectric voltage on temperature. The product of work is program which measures and displays required form and records values of temperature from four parallel branches of thermocouples.

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28

Grummel, Brian. "HIGH TEMPERATURE PACKAGING FOR WIDE BANDGAP SEMICONDUCTOR DEVICES." Master's thesis, University of Central Florida, 2008. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3200.

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Currently, wide bandgap semiconductor devices feature increased efficiency, higher current handling capabilities, and higher reverse blocking voltages than silicon devices while recent fabrication advances have them drawing near to the marketplace. However these new semiconductors are in need of new packaging that will allow for their application in several important uses including hybrid electrical vehicles, new and existing energy sources, and increased efficiency in multiple new and existing technologies. Also, current power module designs for silicon devices are rife with problems that mus

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29

Paruchuri, Sai Sameer. "Assessing Factors Influencing Temperature Rise in Magnetic Nanoparticle Infused Tissue Mimicking Material During High Intensity Focused Ultrasound Sonication." University of Cincinnati / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1544000023895472.

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30

Krishnamurthy, Anush Viswanath. "FPGA BASED CONTROL OF HIGH TEMPERATURE SWITCHED RELUCTANCE MOTOR FOR IMPROVING THE INPUT POWER QUALITY." UKnowledge, 2004. http://uknowledge.uky.edu/gradschool_theses/246.

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This thesis develops a hardware circuit implementation of a novel algorithm for reducing a SRM drives input current ripple or equivalently to improve the SRM drives input power quality. The algorithm requires the SRMs phase current to follow a trapezoidal trajectory relative to the rotors position with the magnitude of the current dependent on the desired average torque. This thesis deals with the generation of the required current command that is the input to a separate analog current regulator that forces the SRMs current to follow the generated current command. The final circuit design must

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31

Everitt, Stewart. "Developments in advanced high temperature disc and blade materials for aero-engine gas turbine applications." Thesis, University of Southampton, 2012. https://eprints.soton.ac.uk/348897/.

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The research carried out as part of this EngD is aimed at understanding the high temperature materials used in modern gas turbine applications and providing QinetiQ with the information required to assess component performance in new propulsion systems. Performance gains are achieved through increased turbine gas temperatures which lead to hotter turbine disc rims and blades. The work has focussed on two key areas: (1) Disc Alloy Assessment of High Temperature Properties; and (2) Thermal Barrier Coating Life Assessment; which are drawn together by the overarching theme of the EngD: Lifing of C

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32

Moore, Tommy S. "Time-series electrochemical studies in the lower Delaware Bay and at the 9 degrees 50' north East Pacific Rise hydrothermal vent field." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 137 p, 2009. http://proquest.umi.com/pqdweb?did=1654491241&sid=2&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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33

Wu, Xiaoling. "Summertime urban heat island effect in high-rise high-density residential development in the inner-city of Guangzhou, China." Click to view the E-thesis via HKUTO, 2009. http://sunzi.lib.hku.hk/hkuto/record/B43223771.

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34

Ek, Simon. "Distributed Temperature Sensing Using Phase-Sensitive Optical Time Domain Reflectometry." Thesis, KTH, Tillämpad fysik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-285902.

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This thesis explores and evaluates the temperature measuring capabilities of a phase-sensitive optical time-domain reflectometer (φ-OTDR), which exploits Rayleigh backscattering in normal single mode optical fibers. The device is constructed and its setup explained, and a protocol for making temperature measurements with it is developed. Performance tests are made and the device is shown to achieve fully distributed temperature measurements on fibers hundreds of meters in length with a spatial resolution of 1 m and a temperature resolution of 0.1 K. In addition, the capabilities of the device

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35

Valham, Fredrik. "Obstructive sleep apnea : the relationship to cardiovascular disease, diabetes mellitus, motor vehicle driving and ambient temperature." Doctoral thesis, Umeå universitet, Medicin, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-48616.

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Background: Obstructive sleep apnea is a common disorder, especially in men. Patients with this condition often snore and suffer from excessive daytime sleepiness. It is a treatable condition related to cardiovascular disease, road traffic accidents and obesity. Aims: To study whether snoring and witnessed sleep apnea are related to diabetes mellitus and whether sleepy subjects who snore or report sleep apneas drive more than others. To investigate whether sleep apnea is related to stroke, mortality and myocardial infarction in patients with coronary artery disease. To study the effect of ambi

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36

Huang, Zhen. "A fully high temperature superconducting synchronous motor using pulsed field magnetization, bulks, and 2G HTS coils." Thesis, University of Cambridge, 2015. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.709396.

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37

Young, John Simon. "Effects of temperature on elements of the motor control of behaviour in eurythermal and stenothermal crustaceans." Thesis, University of Cambridge, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.616148.

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38

Renganathan, Giridharan. "Urban design factors influencing outdoor temperature in high-rise high-density residential developments in the coastal zone of Hong Kong." Click to view the E-thesis via HKUTO, 2005. http://sunzi.lib.hku.hk/hkuto/record/B32021148.

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39

Picot, Alexis. "2P optogenetics : simulation and modeling for optimized thermal dissipation and current integration Temperature rise under two-photon optogenetics brain stimulation." Thesis, Sorbonne Paris Cité, 2018. http://www.theses.fr/2018USPCB227.

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Depuis maintenant quinze ans, l’optogénétique a bouleversé la recherche en neurosciences en permettant de contrôler les circuits neuronaux. Le développement récent de plusieurs approches d’illumination, combinées à de nouvelles protéines photosensibles, les opsines, ont permis d’ouvrir une voie vers le contrôle neuronale avec la précision de la cellule unique. L’ambition nouvelle d’utiliser ces approches afin d’activer des dizaines, centaines, milliers de cellules in vivo a soulevé de nombreuses questions, notamment concernant les possibles dégâts photoinduits et l’optimisation du choix du cou

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40

Lloyd, Alex. "Neuromuscular fatigue, muscle temperature and hypoxia : an integrative approach." Thesis, Loughborough University, 2016. https://dspace.lboro.ac.uk/2134/21766.

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Real world exposures to physiologically and/or psychologically stressful environments are often multifactorial. For example, high-altitude typically combines exposure to hypobaric hypoxia, solar radiation and cold ambient temperatures, while sea level thermal stress is often combined with supplementary or transient stressors such as rain, solar radiation and wind. In such complex environments, the effect of one stressor on performance may be subject to change, simply due to the presence of another independent stressor. Such differential influences can occur in three basic forms; additive, anta

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41

Gaffield, Michael A. "FRAP measurements of synaptic vesicle mobility in motor nerve terminals /." Connect to abstract via ProQuest. Full text is not available online, 2007.

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Thesis (Ph.D. in Neuroscience) -- University of Colorado Denver, 2007.<br>Typescript. Includes bibliographical references (leaves 84-93). Free to UCD affiliates. Online version available via ProQuest Digital Dissertations;

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42

Anderson, Christopher Van. "Environmental Effects on the Biomechanics and Motor Physiology of Elastically Powered Movements in Chameleons." Scholar Commons, 2013. http://scholarcommons.usf.edu/etd/4431.

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Environmental temperature exhibits profound effects on the activity and ecology of ectotherms through its impact on muscle contractile physiology. While the performance of locomotor behaviors powered by muscle contraction directly decreases by at least 33% over a 10°C drop in body temperature, chameleons are known to feed, presumably with high performance, at body temperatures where sympatric lizard species remain inactive. I propose that ballistic movements that are powered by the recoil of preloaded elastic and collagenous tissues are less thermally dependent than movements that rely on dire

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ChingDianTzeng and 曾慶典. "Numerical Simulation of Temperature Rise for Electrical Motor." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/45247543349598280734.

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碩士<br>淡江大學<br>航空太空工程學系<br>90<br>The title of this thesis is simulate temperature rise for electrical motor by numerical methods.First we simulate component of electrical moter separately,containing outer fan,cover and fin.Then we combine three components simulating electrical motor working under standard condition. The reason of this research is saving time and money.Flow rate and temperature rise for electrical motor usually defined by measuring motor directly.When changing motors dimensions,it needs to open mold and manufacture again,wasting time and money.We can save t

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Hsiao, Tsung-Pang, and 蕭宗邦. "Application of Artificial Neural Network to The Induction Motor Temperature Rise Estimation." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/71917621688984558865.

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碩士<br>國立臺北科技大學<br>電機工程系碩士班<br>91<br>This thesis aims to use the Artificial Neural Network of Back Propagation Network (BPN) to estimate the temperature rise of the induction motor. According to Chinese National Standard (CNS), the tests for the functions of induction motor include as follows: the particular no-load test, the particular full load test, the starting current test, the isolation and pressure-resisting test, the noise test, the particular torque test and the temperature rise test. All of these tests are overall measurable except the temperature rise test, which needs one to three h

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Wang, Yi Min, and 王宜民. "Modal and Controller Design of Temperature Rise of Induction Motor for High-Speed Spindle System." Thesis, 1997. http://ndltd.ncl.edu.tw/handle/14147480178930372361.

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CHEN, WEN-YAO, and 陳文耀. "Hot line measurement of temperature rise of AC motors by the resistance change method." Thesis, 1986. http://ndltd.ncl.edu.tw/handle/39356562541395450121.

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47

Chien, Chih-Peng, and 簡志鵬. "Reducing Temperature Rise of Video Telephones." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/24821434941832252816.

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碩士<br>元智大學<br>機械工程學系<br>98<br>With diverse functions and long time use of video phone, central processing unit operates too fast to radiate high temperature. These reasons cause chips are damaged and high temperature on the surface as well. Therefore, the experiments focused on the original reasons of high temperature and to lower temperature further. The topics are as below: (1) To add the area of radiations; (2) To increase convection; (3) To choose metallic materials with good thermal conductivity; (4) To conduct high temperature to low; (5) To lower the temperature of charge areas to impro

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Chen, Ming-Kai, and 陳明凱. "The Efficiency Analysis of Temperature Rise in Building." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/y29v9r.

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碩士<br>國立臺北科技大學<br>能源與冷凍空調工程系碩士班<br>96<br>The study examines the energy efficiency of different buildings and the changes in climate types in Taiwan. By analyzing factors and features related to the external environment, the study endeavors to identify the types of buildings compatible with energy saving and to propose relevant approaches for improving energy efficiency. Of all the available models of climate classification, the study adopts the Köppen-Geiger model that is based on temperature and rainfall (both of which are readily obtainable and reliably accurate) and known for its easy-to-un

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Shu, Bor-Wen, and 許博聞. "Study of Temperature Rise on Oil-Immersed Power Transformers." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/32126061712116725621.

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碩士<br>中原大學<br>機械工程研究所<br>92<br>Abstract The flow field inside the tank of a transformer has a major impact on the performance of the transformer. As a result, it is essential for the design of the device to have an in-depth understanding of the flow field. Transformer is an effective electrical device for the connection of tow power systems and a major power source for the industry. In this study, the computational fluid dynamics (CFD) software Icepak, developed by the Fluent Company, was used to evaluate the thermal management of the various electronic devices. Icepak was based on the f

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Chang, Yuan-Fu, and 張源富. "Study of the Current Transformer Temperature Rise for Distribution Board." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/58491649189254115547.

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碩士<br>逢甲大學<br>資訊電機工程碩士在職專班<br>94<br>Current is need to change from high current to low current by current transformer(CT) in Power system, that meter can examine and relay can detect directly. When the power system is normal the iron-core of CT magnetism saturation phenomenon is unlikely. When faults occur on the power system. However, CT may saturation due to the malfunctions of power systems because of the property of iron-core of CT is non-linearity once CT had saturated, the exciting current of CT would be huge and the secondary current would be distorting. The thesis draft finite element

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