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Dissertations / Theses on the topic 'High temperature design'

Author: Grafiati

Published: 10 December 2022

Last updated: 31 July 2025

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1

Kerrigan, Brannon Michael. "System Design of a High-Temperature Downhole Transceiver." Thesis, Virginia Tech, 2018. http://hdl.handle.net/10919/85006.

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The oil and gas industry, aerospace, and automotive industries are constantly pushing technology beyond their current operational boundaries, spurring the need for extreme environment electronics. The oil and gas industry, in particular, is the oldest and largest market for high-temperature electronics, where the operating environment can extend up to 260 degrees Celsius. The electronics currently employed in this field are only rated to 200 degrees Celsius, but with the rise of wideband gap technologies, this could be extended to 250 degrees Celsius or more without the needed for active or pa

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2

Wang, Ruxi. "High Power Density and High Temperature Converter Design for Transportation Applications." Diss., Virginia Tech, 2012. http://hdl.handle.net/10919/28264.

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The continual development of high-power-density power electronic converters is driven particularly by modern transportation applications like electrical vehicles and more electric aircraft where the space and carrier capability is limited. However, there are several challenges related to transportation applications such as fault tolerance for safety concern, high temperature operation in extreme environments and more strict electromagnetic compatibility requirement. These challenges will increase difficulties for more electrical system adoption in the transportation applications. In this dis

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3

Tanvir, Tanvir. "Design and Stability Analysis of a High-Temperature SRAM." University of Akron / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=akron1355516028.

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4

McCalla, Eric. "A design of a high temperature x-ray furnace /." Thesis, McGill University, 2002. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=29456.

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The goal of this thesis is to design a furnace to be used in in-situ time-resolved x-ray scattering studies of processes such as crystallization in 25 mum thick metallic ribbons. Two approaches are tested thoroughly. The first is to use forced convection to heat the sample. This is tested experimentally up to about 500 K with 1.5 mm thick samples and theoretical calculations are used to resolve these data and to predict the behaviour of the thin ribbons at higher temperatures. The results show that the ideal configuration for this heating mechanism involves heating the ends of the samples whil

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5

Petla, Harita. "Computational design of ultra-high temperature ceramic composite materials." To access this resource online via ProQuest Dissertations and Theses @ UTEP, 2008. http://0-proquest.umi.com.lib.utep.edu/login?COPT=REJTPTU0YmImSU5UPTAmVkVSPTI=&clientId=2515.

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6

周美嬋 and Mei-sim Chow. "Design of high temperature superconducting Helmholtz coil for MRI system." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2001. http://hub.hku.hk/bib/B31225883.

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7

Chow, Mei-sim. "Design of high temperature superconducting Helmholtz coil for MRI system /." Hong Kong : University of Hong Kong, 2001. http://sunzi.lib.hku.hk/hkuto/record.jsp?B24367369.

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8

Ning, Puqi. "Design and Development of High Density High Temperature Power Module with Cooling System." Diss., Virginia Tech, 2010. http://hdl.handle.net/10919/27766.

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In recent years, the SiC power semiconductor has emerged as an attractive alternative that pushes the limitations of junction temperature, power rating, and switching frequency of Si devices. These advanced properties will lead converters to higher power density. However, the reliability of the SiC semiconductor is still under investigation, and at the same time, the standard Si device packages do not meet the requirement of high temperature operation. In order to take full advantage of SiC semiconductor devices, high density, high temperature device packaging needs to be developed. In this d

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9

Richens, P. E. "High temperature superconductors in electromagnetic applications." Thesis, University of Oxford, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.365792.

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10

Pullins, Clayton Anthony. "High Temperature Heat Flux Measurement: Sensor Design, Calibration, and Applications." Diss., Virginia Tech, 2011. http://hdl.handle.net/10919/27789.

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This effort is focused on the design, calibration, and implementation of a high temperature heat flux sensor for thermal systems research and testing. The High Temperature Heat Flux Sensor (HTHFS) was designed to survive in the harsh thermal environments typically encountered in hypersonic flight, combustion and propulsion research, and large-scale fire testing. The sensor is capable of continuous use at temperatures up to 1000 â ¦C. Two methods for steady-state calibration of the HTHFS at elevated temperatures have been developed as a result of this research. The first method employs a water-

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11

Brooks, Paul David Edwards. "The design of moving packed bed high temperature heat exchangers." Thesis, University of the West of England, Bristol, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.321834.

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12

Hall, Ross. "The design of high temperature electrical machines for aerospace applications." Thesis, University of Newcastle Upon Tyne, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.420033.

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13

Abel, Godard Karl. "Design and construction of high temperature uniform metal spray apparatus." Thesis, Massachusetts Institute of Technology, 1993. http://hdl.handle.net/1721.1/17316.

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14

Hulett, Cameron. "Design procedures for high temperature components using finite element methods." Master's thesis, University of Cape Town, 1993. http://hdl.handle.net/11427/14306.

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Bibliography: leaves 109-114.<br>A procedure for design and redesign of high temperature components is developed. The thesis begins with a description of an engineering problem, namely the failure of a steel plant pre-reduction kiln, which incorporates a number of commonly occurring design problems. A redesign procedure, which follows a more prescriptive rather than a descriptive method, is established for the case study. An investigation of the material properties, loading conditions and component failure is undertaken. Each investigation begins with an overall view of the topic, which is the

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15

Wu, Zhaohui, and 吳朝暉. "Modeling and characterization of high-temperature silicon-based thermal sensors." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2005. http://hub.hku.hk/bib/B31057652.

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16

Grgurich, Aaron James. "DESIGN AND SIMULATION OF A GENERAL PURPOSE, CLASS-A AMPLIFIER FOR HIGH TEMPERATURE APPLICATIONS." Case Western Reserve University School of Graduate Studies / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=case1588049969718819.

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17

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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18

Nick, Schwartz Nick (Nick Raoul). "Design and construction of high-temperature, high-vacuum tensile tester for fusion reactor materials." Thesis, Massachusetts Institute of Technology, 2018. http://hdl.handle.net/1721.1/119939.

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Thesis: S.B., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2018.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 24-25).<br>Fusion energy is a promising carbon-free, limitless source of energy that could contribute to mitigating global climate change. One of the critical challenges in realizing fusion energy is the survival of structural materials in the extreme environment of a fusion device. Specifically, materials that surround the 100 million °C plasma must survive high temperatures (>500 °C), intense thermal cycling, t

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19

Raphael-Mabel, Sujay Anand. "Design and Calibration of a Novel High Temperature Heat Flux Sensor." Thesis, Virginia Tech, 2005. http://hdl.handle.net/10919/31688.

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Heat flux gages are important in applications where measurement of the transfer of energy is more important than measurement of the temperature itself. There is a need for a heat flux sensor that can perform reliably for long periods of time in high temperature and high heat flux environment. The primary objective is to design and build a heat flux sensor that is capable of operating for extended periods of time in a high heat flux and high temperature environment. A High Temperature Heat Flux Sensor (HTHFS) was made by connecting 10 brass and steel thermocouple junctions in a thermopile cir

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20

Cristiano, Marco. "Design considerations for a high temperature image sensor in 4H-SiC." Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-185268.

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This thesis is part of a project, Working on Venus, funded by the Knut and Alice Wallenberg Foundation (one of the largest Swedish funders of research) and developed by KTH in collaboration with Linkӧping University. The goal of this project is to create a lander able to investigate the planet Venus and to work under extreme conditions, i.e. it has to be able to withstand at high levels of radiation and high temperatures such as that of Venus surface (that is about 460 °C) without integrating a dedicated bulky cooling system to reduce the overall weight and volume of the system. In this thesis

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21

Sadeghi, Nima. "Design techniques for high-temperature analog and mixed-signal integrated circuits." Thesis, University of British Columbia, 2012. http://hdl.handle.net/2429/43092.

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Reliable high-temperature analog and mixed-signal CMOS circuits are required for several applications including aerospace, automotive control, oil field instrumentation, and pulp and paper digesters. In particular, in this work we focus on the design of key building blocks of a miniature sensor interface system that is intended to operate in a pulp and paper digester and collect and record sensory data such as pressure and temperature along its trajectory within the digester. The temperature inside the digester can be as high as 180℃. Design considerations and techniques for implementing these

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22

Feng, Tianming. "Design of a High Temperature GaN-Based VCO for Downhole Communications." Thesis, Virginia Tech, 2017. http://hdl.handle.net/10919/75108.

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Decreasing reserves of natural resources drives the oil and gas industry to drill deeper and deeper to reach unexploited wells. Coupled with the demand for substantial real-time data transmission, the need for high speed electronics able to operating in harsher ambient environment is quickly on the rise. This paper presents a high temperature VCO for downhole communication system. The proposed VCO is designed and prototyped using 0.25 μm GaN on SiC RF transistor which has extremely high junction temperature capability. Measurements show that the proposed VCO can operate reliably under ambient

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23

Yakubu, Nasir. "Design and development of a novel high temperature solar volumetric receiver." Thesis, Aston University, 2018. http://publications.aston.ac.uk/33377/.

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24

Krishnan, Vyas. "Temperature and interconnect aware unified physical and high level synthesis." [Tampa, Fla] : University of South Florida, 2008. http://purl.fcla.edu/usf/dc/et/SFE0002785.

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25

Hossain, Mohammad Ahsan. "High temperature, permanent magnet biased, homopolar magnetic bearing actuator." Thesis, Texas A&M University, 2006. http://hdl.handle.net/1969.1/4174.

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The EEC (Electron Energy Corporation) in conjunction with the National Aeronautics and Space Administration is researching the magnetic bearings for an alternative to conventional journal or ball bearings. The purpose of this research was to design and develop a high-temperature (1000ÃÂºF) hybrid Magnetic Bearing using High Temperature Permanent Magnets (HTPM), developed by the EEC for high performance jet engines at high speeds that supply loads of 500 lbf. Another objective is to design and build a test rig fixture to measure the load capacity of the designed bearing. The permanent magnet b

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26

陳喬崔 and Kiu-chui Eddie Chan. "Design of high temperature superconductor RF probe for low field magnetic resonance imaging scanner." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2000. http://hub.hku.hk/bib/B31222249.

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27

Ergun, Huseyin. "Design Of A High Temperature Erosion Apparatus For Testing Of Boiler Tubes." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/12612660/index.pdf.

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In this thesis an apparatus is designed which enables the testing of thermal power plant boiler tubes against erosion. The apparatus makes use of a tube sample directly cut from the boiler tubes and simulates conditions similar to those prevailing in boilers in lignite fired power plants. The apparatus is composed of three components<br>a furnace for heating the sample, a loading system which allows application of tensile stresses while allowing the rotation of the sample, and a particle blower that delivers abrasive particles to the surface of the sample. The abrasive material used in the tes

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28

Hawley, Christopher John. "Design and manufacture of a high temperature superconducting magnetic energy storage device." Access electronically, 2005. http://www.library.uow.edu.au/adt-NWU/public/adt-NWU20060508.143200/index.html.

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29

Grummel, Brian. "Design and Characterization of High Temperature Packaging for Wide-Bandgap Semiconductor Devices." Doctoral diss., University of Central Florida, 2012. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/5231.

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Advances in wide-bandgap semiconductor devices have increased the allowable operating temperature of power electronic systems. High-temperature devices can benefit applications such as renewable energy, electric vehicles, and space-based power electronics that currently require bulky cooling systems for silicon power devices. Cooling systems can typically be reduced in size or removed by adopting wide-bandgap semiconductor devices, such as silicon carbide. However, to do this, semiconductor device packaging with high reliability at high temperatures is necessary. Transient liquid phase (TLP) d

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30

Zhao, Youyang Ph D. Massachusetts Institute of Technology. "Engineering design criteria for high temperature thermoelectric generation based on molten compounds." Thesis, Massachusetts Institute of Technology, 2018. http://hdl.handle.net/1721.1/117807.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Materials Science and Engineering, 2018.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Cataloged student-submitted from PDF version of thesis.<br>Includes bibliographical references.<br>High temperature (>900°C) industrial waste heat recovery remains a key challenge for thermoelectric (TE) materials. The unique combination of high temperature, low heat-flux, and large surface area of waste heat generation in industrial p

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31

Deangelis, Alfred N. "Analysis and design of a high temperature liquid metal solar thermal receiver." Thesis, Georgia Institute of Technology, 2016. http://hdl.handle.net/1853/55063.

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Current concentrated solar technologies are not cost-effective means of generating electricity and would benefit greatly from higher operating temperatures. To reach these temperatures at high efficiencies, a novel receiver design should be used in the plant. As a first step in the design of such a receiver, a sensitivity analysis is useful to determine what parameters most affect the performance of a generic cavity receiver. The results of this sensitivity analysis can be used to develop an optimized cavity receiver geometry intended to operate at a high efficiency (>80%) at extreme temperatu

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32

Gallo, Pasquale. "Local approaches for the fatigue design of components subjected to high temperature." Doctoral thesis, Università degli studi di Padova, 2016. http://hdl.handle.net/11577/3424322.

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The present document summarized the aims and the results obtained by the candidate, during the Ph.D. programme. The research activity consisted in the investigation of the high temperature fatigue behaviour, considering the effect of the temperature combined with creep. After a preliminary analysis, the investigation of different notches reproducing the geometry of real components was considered a key topic in the present research activity. These geometries, indeed, are completely neglected in the past and recent literature, despite their important role played in industrial applications. Moreo

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33

Reyes, Salvador Byron Fernando. "DEVELOPMENT OF A HIGH-PRESSURE, HIGH-TEMPERATURE SUPERHEATED STEAM SYSTEM (WATER TREATMENT, VAPORIZER, THERMAL DESIGN, MODELING)." Thesis, The University of Arizona, 1985. http://hdl.handle.net/10150/275460.

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34

Chan, Kiu-chui Eddie. "Design of high temperature superconductor RF probe for low field magnetic resonance imaging scanner /." Hong Kong : University of Hong Kong, 2000. http://sunzi.lib.hku.hk/hkuto/record.jsp?B21779594.

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35

Ehteshamuddin, Mohammed. "Design of a High Temperature GaN-Based Variable Gain Amplifier for Downhole Communications." Thesis, Virginia Tech, 2017. http://hdl.handle.net/10919/74958.

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The decline of easily accessible reserves pushes the oil and gas industry to explore deeper wells, where the ambient temperature often exceeds 210 °C. The need for high temperature operation, combined with the need for real-time data logging has created a growing demand for robust, high temperature RF electronics. This thesis presents the design of an intermediate frequency (IF) variable gain amplifier (VGA) for downhole communications, which can operate up to an ambient temperature of 230 °C. The proposed VGA is designed using 0.25 μm GaN on SiC high electron mobility transistor (HEMT) techno

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36

Ubah, Chinedu Gideon. "Design of high temperature and pressure electrochemical cell and corrosion chemistry of alloy 625 in high temperature and high pressure aqueous media using a two-electrode electrochemical method." Thesis, University of British Columbia, 2010. http://hdl.handle.net/2429/28201.

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As aqueous processing moves to higher temperatures and pressures to take advantage of increased kinetics, there is a need to develop and test appropriate reactor materials to ensure that corrosion is minimized. Corrosion testing often requires an electrochemical approach for a comprehensive understanding of the range of behaviors exhibited from a corroding metal or alloy in different environments. Prior art of designs for electrodes, associated pressure vessels and sealing technology is presented. The development of an apparatus and methods for high temperature and high pressure el

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37

Mirmasoudi, Sara. "High Temperature Transient Creep Analysis of Metals." Wright State University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=wright1452693927.

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38

Benn, Gregory (Gregory Scott) 1977. "Design of a silicon carbide micro-hotplate geometry for high temperature chemical sensing." Thesis, Massachusetts Institute of Technology, 2001. http://hdl.handle.net/1721.1/17535.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 2001.<br>Includes bibliographical references (p. 127-129).<br>Silicon carbide, high temperature, chemical sensors are the next step in chemical detection technology; allowing for the development of low cost, robust, lower power, and widely applicable chemical sensors. SiC offers the thermal conductivity, electrical properties, and operating temperatures not currently available in silicon sensors. Boston Micro Systems, a Wobum, Massachusetts based company, has developed technologies for bulk manufacturi

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39

Adams, Richard. "A new design methodology for composite materials exposed to humid, high temperature environments." Thesis, Swansea University, 2010. https://cronfa.swan.ac.uk/Record/cronfa42383.

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Moisture ingress and thermal effects on carbon fibre reinforced plastic is a well understood phenomenon. For aircraft structures where safety is paramount this results in the use of worst case material properties, known as HOTAA/ET properties. In reality most structures are not fully saturated and are therefore penalised by using these worst case properties. This project attempts to fully understand the environmental effect on mechanical performance and accurately model a structures exposure to the environment, while still maintaining conservatism, to realise structural weight savings for airc

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40

Chen, Minghui. "DESIGN, FABRICATION, TESTING, AND MODELING OF A HIGH-TEMPERATURE PRINTED CIRCUIT HEAT EXCHANGER." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1431072434.

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41

Schmid, Nehir. "High Magnetic Field in Low Temperature Vacuum Conditions : Magnet Design, Modeling and Testing." Thesis, Luleå tekniska universitet, Rymdteknik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-82093.

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The Swiss Free Electron Laser (SwissFEL) at the Paul Scherrer Institute is a national prestige project that will enable ground breaking new x-ray scattering experiments in areas such as biology, chemistry and physics. A plannedactivity is to generate possibility for x-ray diffraction under high pulsed magnetic fields to explore quantum mattermaterials. In fact, an entire beam line (CristallinaQ), dedicated to extreme sample environment (vacuum, electro-magnetic field, low temperature).This Master’s thesis project concerns the development of a magnet system for pulsed magnetic fields to be sync

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42

Wong, Yum-wing. "Design and implementation of high temperature superconducting (HTS) tape RF coil and cryostat for MRI applications." Click to view the E-thesis via HKUTO, 2006. http://sunzi.lib.hku.hk/hkuto/record/B37109984.

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43

Lee, Kasey M. "Experimental design for the evaluation of high-Tc superconductive thermal bridges in a sensor satellite." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-06302009-040459/.

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44

Wong, Yum-wing, and 黃鑫榮. "Design and implementation of high temperature superconducting (HTS) tape RF coil and cryostat for MRI applications." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2006. http://hub.hku.hk/bib/B37109984.

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45

Miri, Lavasani Seyed Hossein. "Design and phase-noise modeling of temperature-compensated high frequency MEMS-CMOS reference oscillators." Diss., Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/41096.

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Frequency reference oscillator is a critical component of modern radio transceivers. Currently, most reference oscillators are based on low-frequency quartz crystals that are inherently bulky and incompatible with standard micro-fabrication processes. Moreover, their frequency limitation (<200MHz) requires large up-conversion ratio in multigigahertz frequency synthesizers, which in turn, degrades the phase-noise. Recent advances in MEMS technology have made realization of high-frequency on-chip low phase-noise MEMS oscillators possible. Although significant research has been directed toward r

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46

Ruales, Mary Cristina. "Design of a Low Power – High Temperature Heated Ceramic Sensor to Detect Halogen Gases." FIU Digital Commons, 2007. http://digitalcommons.fiu.edu/etd/33.

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The design, construction and optimization of a low power-high temperature heated ceramic sensor to detect leaking of halogen gases in refrigeration systems are presented. The manufacturing process was done with microelectronic assembly and the Low Temperature Cofire Ceramic (LTCC) technique. Four basic sensor materials were fabricated and tested: Li2SiO3, Na2SiO3, K2SiO3, and CaSiO3. The evaluation of the sensor material, sensor size, operating temperature, bias voltage, electrodes size, firing temperature, gas flow, and sensor life was done. All sensors responded to the gas showing stability

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47

Carlin, Maxime. "Design, manufacture, and high temperature behaviour of a-phase bondcoat for thermal barrier coating." Thesis, Cranfield University, 2007. http://dspace.lib.cranfield.ac.uk/handle/1826/2955.

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In order to improve jet engine efficiency and performance, manufacturers have been trying over the last five decades to increase the working temperature of gas turbines. This was achieved by improving materials performance and component design. The latter technological breakthrough is known as Thermal Barrier Coating (TBC), which consists of applying a ceramic insulating layer on the internally cooled parts of the turbine. This technology is now applied in military and civil aircraft engines, and allows temperature improvement up to 150°C. However, understanding degradation mechanisms and impr

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48

Xu, Bing. "Design, construction and test of a 100 kVA high temperature superconducting demonstration synchronous generator." Thesis, University of Southampton, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.417398.

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49

Martin, Christine Marie. "The design of a high temperature gas reactor fuel testing facility for MITR-II." Thesis, Massachusetts Institute of Technology, 1991. http://hdl.handle.net/1721.1/13438.

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50

Orikasa, Yuki. "Material Design for Mixed Conducting Perovskite Type Oxide Cathodes of High Temperature Electrochemical Devices." Kyoto University, 2010. http://hdl.handle.net/2433/120455.

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Kyoto University (京都大学)<br>0048<br>新制・課程博士<br>博士(人間・環境学)<br>甲第15489号<br>人博第519号<br>新制||人||126(附属図書館)<br>21||人博||519(吉田南総合図書館)<br>27967<br>京都大学大学院人間・環境学研究科相関環境学専攻<br>(主査)教授内本喜晴, 教授堀智孝, 教授杉山雅人, 教授安部武志<br>学位規則第4条第1項該当

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