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Dissertations / Theses on the topic 'Effect of heat'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Sivanantharaja, G. (Geethanchali). "Effect of surface roughness on heat transfer in heat exchanger." Bachelor's thesis, University of Oulu, 2017. http://urn.fi/URN:NBN:fi:oulu-201712143310.

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The heat exchanger is a device that transfers heat from one fluid to another or between fluid and the environment. Over the last few decades, the role of heat exchangers has increased in the process of heat recovery and introduction of new energy sources. Surface roughness of heat exchanger wall plays a vital role in the efficiency of heat transfer. Therefore, significance of surface roughness is examined by many researchers applying different shapes of roughness. Roughness is the variation in the height of a surface. It could be either a part of the geometry or due to deposition of undesired

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2

Arjona, Anibal Augusto. "Molecular responses of neonatally heat stressed broilers exposed to acute heat stress." Diss., Virginia Tech, 1991. http://hdl.handle.net/10919/39965.

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Exposure of broiler cockerels to between 35.0 to 37.8 C for 24 hr at 5 days of age increases their survival when exposed to a heat challenge at 6 weeks of age (35.0-37.8 C; RH 50% ). This' phenomenon does not resemble acclimation since the physiological changes known to occur in acclimated birds exposed to heat have not been observed in the neonatally stressed birds. A series of experiments were conducted to elucidate the mechanisms of neonatally induced thermotolerance. In Experiment 1, the erythrocyte protein profile of control and 5 days heated birds prior to and during exposure to acute he

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3

Yang, Jun. "Effect of non-uniform axial heat-flux distribution on critical heat flux." Thesis, University of Ottawa (Canada), 2004. http://hdl.handle.net/10393/26816.

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An experimental study of the effect of axial flux distribution (AFD) on critical heat flux (CHF) was conducted in directly heated tubes at the Freon-equivalent CANDU reactor conditions of interest. CHF measurements were obtained on test sections with four nonuniform AFD profiles as well as a uniform AFD profile using HFC-134a as a test fluid. Each of the non-uniform AFD test sections had a stepped cosine heat flux profile with approximately 16 heat flux steps. The test conditions covered a pressure range of 1662 to 2389 kPa, a mass flux range of 2827 to 4648 kg m-2 s -1 and an inlet quality ra

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4

Poirier, Martin. "The Effect of Progressive Heat Acclimation on Change in Body Heat Content." Thèse, Université d'Ottawa / University of Ottawa, 2013. http://hdl.handle.net/10393/26219.

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Heat acclimation increases the local heat loss responses of sweating and skin blood flow which is thought to persist for up to 3 weeks post-acclimation. However, the extent to which increases in local heat loss affect whole-body heat loss as a function of increasing levels of heat stress remains unresolved. Using direct calorimetry, we examined changes in whole-body evaporative heat loss (EHL) during progressive increases in metabolic heat production 1) prior to (Day 0), during (Day 7) and following a 14-day heat acclimation protocol (Day 14) – Induction phase, and; 2) at the end of a 1-week (

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5

Zhang, Ji. "Geometry effect on post-dryout heat transfer." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0013/MQ28469.pdf.

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6

Bhatti, A. R. "Effect of heat treatment on metallic glasses." Thesis, University of Oxford, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.236306.

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7

Williams, Winifred Elizabeth. "HEAT TRANSFER IN THE MICROCIRCULATION." Thesis, The University of Arizona, 1985. http://hdl.handle.net/10150/275277.

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8

Martin, Andrew. "Measurement of heat strain in firefighters." Thesis, Queensland University of Technology, 1990. https://eprints.qut.edu.au/35956/1/35956_Martin_1990.pdf.

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A comparative study of six different fire-fighting clothing ensembles to determine the heat stress imposed on the wearer was conducted. Physiological indicators of heat strain were monitored while subjects performed set tasks for up to 30 minutes in controlled environments. The differences between ensembles was considered. For each ensemble, six subjects performed set tasks in two controlled environments for 30 minutes or until one of a set of termination criteria was met. In the first environment subjects stepped at a set rate in 40°C dry bulb and 60% humidity conditions. A number of weig

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9

Morrison, Shawnda A., and n/a. "Causes and effects of cardiovascular strain in the heat." University of Otago. School of Physical Education, 2008. http://adt.otago.ac.nz./public/adt-NZDU20080404.162058.

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Passive and active heat loading causes cardiovascular strain, which can have diverse and substantial effects. Thus, cardiovascular function is integral to work and heat stress tolerance, but recent hyperthermia and exercise literature has not emphasised this relationship, instead focusing on the roles of upper �critical� core temperature or rate of heat storage as primary mechanisms of fatigue. Therefore, the aim of this thesis was to examine some potential causes and effects of cardiovascular strain under heat stress, including potential strategies for attenuating that strain. Body precooli

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10

Sazama, Matt. "The effect of vapor permeable versus non-vapor permeable shirts on heat stress." Online version, 2001. http://www.uwstout.edu/lib/thesis/2001/2001sazamam.pdf.

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11

Chao, Sheng-Hao. "Heat Shock Proteins in Ascaris suum." Thesis, University of North Texas, 1995. https://digital.library.unt.edu/ark:/67531/metadc279311/.

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Ascaris suum were exposed to a number of stressors, including heavy metals and both high (40°C) and low (18°C) temperatures. The 70kD and 90kD heat shock proteins (HSPs) in the different A. suum tissues were analyzed by Western blot and quantitated by Macintosh Image Program.

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12

Martin, David E. "The effect of heat stress on excess post exercise oxygen consumption." Virtual Press, 1992. http://liblink.bsu.edu/uhtbin/catkey/834623.

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While a great deal of research has been directed towards the phenomena of excess post exercise oxygen consumption (EPOC), the effect of thermal stress on EPOC is not well defined. To assess the effect of heat stress on EPOC, seven healthy, active subjects (4 female, 3 male; 23.9 ± 2.0 years of age) performed 4 trials: one control (quiet rest) and one exercise (45 minutes of cycling at 65% VO2max workload) trial in moderate (23° C, 50% humidity) and hot (35° C, 50% humidity) environments. Oxygen consumption (V02), heart rate (HR) and rectal temperature (RT) were assessed pre, during and post co

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13

Picton, S. "The effect of heat-stress on tomato ripening." Thesis, University of Nottingham, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.233614.

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14

Wagstaff, Marcus James Dermot. "The neuroprotective effect of the heat shock proteins." Thesis, University College London (University of London), 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.267150.

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15

Ivester, David Newell. "Heat exchanger modeling and optimization in the triple-effect absorption cycle." Diss., Georgia Institute of Technology, 1994. http://hdl.handle.net/1853/16076.

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16

Cassel, Stanley David. "The effect of increasing length on the overall conductance and capacitance of long heat pipes." Diss., Georgia Institute of Technology, 1991. http://hdl.handle.net/1853/19589.

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17

Alm, David Michael. "Comparison and interaction of heat and salt stress in cultured tobacco cells." Virtual Press, 1986. http://liblink.bsu.edu/uhtbin/catkey/445616.

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Cultured tobacco cells (Nicotiana tabacum L., cv Wisconsin-38) were subjected to temporary sub-lethal heat and salt shock treatments to determine the effects of these treatments on various physiological parameters after subsequent lethal heat or salt stresses. Tobacco cells developed a tolerance to a non-permissive temperature stress (54C for 14 min) when pretreated with heat shock of 38C for 2h but not when pretreated at 42C for 2h. Cells pretreated at 38 (2h) exhibited less than 30% normal growth when the 54C stress came immediately after the 38C treatment. Tolerance to the 54C stress develo

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18

Gidugu, Praveen. "Effect of adding a regenerator to Kornhauser's MIT "two-space" test rig." Cleveland, Ohio : Cleveland State University, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=csu1212595450.

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Thesis (M.S.)--Cleveland State University, 2008.<br>Abstract. Title from PDF t.p. (viewed on July 9, 2008). Includes bibliographical references (p. 100-103). Available online via the OhioLINK ETD Center. Also available in print.

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19

WIDELITZ, RANDALL BRUCE. "HEAT SHOCK PROTEIN SYNTHESIS AND THERMOTOLERANCE EXPRESSION IN RAT EMBRYONIC FIBROBLASTS (HYPERTHERMIA, GENE REGULATION)." Diss., The University of Arizona, 1986. http://hdl.handle.net/10150/183851.

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In response to a variety of hyperthermic treatments, rat embryonic fibroblasts synthesize heat shock proteins (hsps), including those with molecular weights of 68,000 (hsp 68), 70,000 (hsp 70) and 89,000 (hsp 89). Hyperthermic stresses, which produce the hsps, also cause expression of thermotolerance. The dependence of thermotolerance expression on hsp synthesis was investigated in this mammalian cell line under different heating conditions. Temperature shift experiments showed that hsp synthesis and thermotolerance expression were dependent not only on the absolute hyperthermic temperature, b

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20

Kiflemariam, Robel. "Heat-Driven Self-Cooling System Based On Thermoelectric Generation Effect." FIU Digital Commons, 2015. http://digitalcommons.fiu.edu/etd/2281.

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This research entails the first comprehensive and systematic study on a heat-driven, self-cooling application based on the thermoelectric generation effect. The system was studied using the first and second laws of thermodynamics to provide a solid and basic understanding of the physical principles governing the system. Multiphysics equations that relate heat transfer, fluid dynamics and thermoelectric generation are derived. The equations are developed with increasing complexity, from the basic Carnot heat engine to externally and internally irreversible engines. A computational algorithm to

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21

Turgay, Metin Bilgehan. "Effect Of Surface Roughness In Microchannels On Heat Transfer." Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/12610253/index.pdf.

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In this study, effect of surface roughness on convective heat transfer and fluid flow in two dimensional parallel plate microchannels is analyzed by numerically. For this purpose, single-phase, developing, laminar fluid flow at steady state and in the slip flow regime is considered. The continuity, momentum, and energy equations for Newtonian fluids are solved numerically for constant wall temperature boundary condition. Slip velocity and temperature jump at wall boundaries are imposed to observe the rarefaction effect. Effect of axial conduction inside the fluid and viscous dissipation also c

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22

Joober, Khaled. "The effect of flow geometry on critical heat flux." Thesis, University of Ottawa (Canada), 1993. http://hdl.handle.net/10393/6544.

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An extensive and systematic literature review on the effect of flow geometry on the Critical Heat Flux (CHF) has been performed. This review covers most of the flow geometries such as tubes, concentric and eccentric annuli, rectangular channels, irregular-shaped channels and bundles. The following geometric parameters have been found to strongly influence the CHF: (i) hydraulic-equivalent diameter, (ii) heated-equivalent diameter, (iii) gap size, (iv) unheated adjacent surface, (v) heated adjacent surface, (vi) curvature, (vii) eccentricity (including bowing), and (viii) channel shape. It is f

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23

Stapleton, Jill. "The effect of physical training on body heat regulation." Thesis, University of Ottawa (Canada), 2009. http://hdl.handle.net/10393/28141.

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Purpose. We evaluated the effects of an eight-week aerobic exercise training program in previously sedentary individuals on whole-body heat balance. Whole-body evaporative (H&dot;E) and dry (H&dot; D) heat loss as well as changes in body heat content (DeltaH b) were measured using simultaneous direct whole-body and indirect calorimetry. It was hypothesized that following the 8-week exercise training program, a more rapid increase in the rate of whole-body heat loss would occur during exercise resulting in a decrease in the change of body heat content by the end of exercise. It was further hypo

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24

Ferizaj, Drilon, and Mohamad Kassem. "Effect of nanofluids on thermal performance of heat pipes." Thesis, KTH, Energiteknik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-148074.

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A relatively new way for utilizing the thermal performance of heat pipes is to use nanofluids as working fluids in the heat pipes. Heat pipes are effective heat transfer devices in which the nanofluid operates in the two phases, evaporation and condensation. The heat pipe transfers the heat supplied in e.g. a laptop, from the evaporator to condenser part. Nanofluids are mixtures consisting of nanoparticles (e.g. nano-sized silver particles) and a base fluid (e.g. water). The aim of this bachelor’s thesis has been to examine the effect of nanofluids on heat pipes on the subject of temperature p

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25

Kleiven, Thomas J. (Thomas John). "Effect of gas path heat transfer on turbine loss." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/112466.

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Thesis: S.M., Massachusetts Institute of Technology, Department of Aeronautics and Astronautics, 2017.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 117-118).<br>This thesis presents an assessment of the impact of gas path, i.e., streamtube-to-streamtube, heat transfer on aero engine turbine loss and efficiency. The assessment, based on the concept of mechanical work potential [19], was carried out for two model problems to introduce the ideas. Three-dimensional RANS calculations were also conducted to show the application to realistic configurations. T

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26

Underwood, David Scott. "Effect of heat release on streamwise vorticity enhanced mixing." Thesis, Massachusetts Institute of Technology, 1995. http://hdl.handle.net/1721.1/47390.

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27

Kim, Jun-Pill. "LAND-USE PLANNING AND THE URBAN HEAT ISLAND EFFECT." The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1253215365.

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28

Zahlan, Hussam. "Flow obstacle effect on film boiling heat transfer with uniform and non-uniform axial heat flux." Thesis, University of Ottawa (Canada), 2009. http://hdl.handle.net/10393/28143.

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An experimental investigation of the effects of axial flux distribution (AFD) and obstacles on film-boiling heat transfer was performed in a vertical tube using HFC-134a as coolant. The following parameters were examined: (1) Axial flux profiles (uniform, inlet-peak and outlet-peak), (2) Flow-blockage ratios (12% and 24%), (3) Obstacle pitches (150 mm and 300 mm), (4) Obstacle shapes (blunt and round). Test conditions covered the pressure 1665 and 2389 kPa (water-equivalent value: 10 and 14 MPa), a mass-flux range from 1395 to 3575 kg.m-2.s -1 (water-equivalent value: 2000 to 5000 kg.m-2.s -1)

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29

Al-Waaly, Ahmed. "The effect of heat transfer on temperature measurement and its applications to study microchannel heat sinks." Thesis, University of Glasgow, 2015. http://theses.gla.ac.uk/6781/.

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Analytical, numerical and experimental analyses have been performed to investigate the effects of thermocouple wire electrical insulation on the temperature measurement of a reference surface. Two diameters of K-type thermocouple, 80μm and 200μm, with different exposed stripped wire lengths (0 mm, 5mm, 10mm, 15mm and 20mm) were used to measure various surface temperatures (4oC, 8oC, 15oC, 25oC and 35oC). Measurements were made when the thermocouple probe is in direct contact with the surface and the wires are extended vertically and exposed to natural convection from outside environment. Exper

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30

Hayes, Mark. "The effect of progressive heat acclimation on games players performing intermittent-sprint exercise in the heat." Thesis, University of Brighton, 2014. https://research.brighton.ac.uk/en/studentTheses/5d460be8-1826-4a96-ac35-9c07c6943e6d.

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Intermittent-sprint performance is reduced in hot environments and the impairment occurs without significant difference in metabolic responses to exercise. Reductions in cerebral blood flow and voluntary activation occur with hyperthermia and neuromuscular impairment has been posited to explain decreased performance in the heat. Heat acclimation is used to minimise heat mediated performance impairment, yet traditional protocols may limit adaptation. The purpose of this thesis was to examine the efficacy of a novel progressive heat acclimation model for games players performing intermittent-spr

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31

North, Travis. "Experimental and analytical study of time varying electrical fields and their effect on convective boiling heat transfer /." free to MU campus, to others for purchase, 2004. http://wwwlib.umi.com/cr/mo/fullcit?p1426090.

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32

Awuah, George Brobbey. "Heat transfer and kinetic studies of particulates under aseptic processing conditions." Thesis, McGill University, 1994. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=28419.

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Fluid-to-particle heat transfer coefficients (h$ rm sb{fp}$) associated with food and model particles under simulated aseptic processing conditions were experimentally evaluated, and verified using measured inactivation kinetic parameters of the enzyme trypsin. Convective heat transfer coefficients were determined initially using two methods: a rate method based on evaluated heating/cooling rate indices (f$ rm sb c$/f$ rm sb h$) and a ratio method based on the ratio of temperature difference between the medium and particle locations.<br>Carrot and potato tissue in the form of finite cylinders

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33

Arambakam, Raghu. "MODELING EFFECT OF MICROSTRUCTURE ON THE PERFORMANCE OF FIBROUS HEAT INSULATION." VCU Scholars Compass, 2013. http://scholarscompass.vcu.edu/etd/3212.

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Heat insulation is the process of blocking the transfer of thermal energy between objects at different temperatures. Heat transfer occurs due to conduction, convection, or radiation, as well as any combination of these three mechanisms. Fibrous insulations can completely suppress the convective mode of heat transfer for most applications, and also help to reduce the conductive and radiative modes to some extent. In this study, an attempt has been made to computationally predict the effects of microstructural parameters (e.g., fiber diameter, fiber orientation and porosity) on the insulation pe

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34

Houmard, Joseph A. "Rate of heat acclimation : effects of exercise intensity and duration." Virtual Press, 1988. http://liblink.bsu.edu/uhtbin/catkey/533882.

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35

Johnsen, Suzanne Louise 1960. "Early embryos of dams of heat stress." Thesis, The University of Arizona, 1989. http://hdl.handle.net/10150/277034.

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Increased environmental heat causes early embryonic death before implantation. This study was designed to examine tissues of dams exposed to environmental temperatures of 36°C and to examine 72 hour old embryos from these dams. Results showed adult mice exposed to heat stress had significant changes in liver morphology with hepatocyte swelling and vacuolization of the cytoplasm, organelles in the hepatocytes were displaced next to the cell membrane. After 48 hours of recovery from heat stress, liver morphology appeared normal. Embryos from heat stressed dams had delayed development indicated b

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36

Machate, Malgorzata S. "Joule heat effects on reliability of RF MEMS switches." Link to electronic thesis, 2003. http://www.wpi.edu/Pubs/ETD/Available/etd-1007103-115232/.

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37

Vaitekunas, David A. "An investigation of the effect of flow obstructions on critical heat flux, pressure drop and heat transfer." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0020/NQ57073.pdf.

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38

Davis, Jacqueline A. "The hypertensive response to repeated days of heat-exercise exposure." Virtual Press, 1989. http://liblink.bsu.edu/uhtbin/catkey/562777.

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The physiological responses of hypertensive subjects to a single bout of exercise in a hot environment have been investigated. It was the purpose of this study to compare the effect of successive days of exercise in the heat on borderline hypertensive and normotensive individuals, with particular interest being paid to the positive relationship that exists between plasma volume and blood pressure. Eight hypertensive subjects (HT) and 8 normotensive controls (NT) performed a standardized work task, (walking for 60 minutes at 3.5 mph on a 5% grade), in dry heat, (40C, 257. RH), on 7 successive d

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39

Rokan, Mohammad. "Effect of heat on the properties of automotive airbag materials." Thesis, University of Manchester, 2013. https://www.research.manchester.ac.uk/portal/en/theses/effect-of-heat-on-the-properties-of-automotive-airbag-materials(afa7fe9e-4c3f-46df-ab95-ee744c6fda05).html.

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Automotive airbags are subjected to extreme temperatures (up to 900°C) during deployment which is achieved by using pyrotechnic inflators. Although the airbag fully inflates within a few milliseconds, the heat often causes physical damage to the airbags fabric and seams in this short period of time. In this study, the effects of heat on airbag yarns (highly drawn Nylon 6,6) and airbag fabrics were investigated with the goal of understanding whether or not high heat causes the internal structure of the material to change. The degree of crystallinity of the material was found to increase as the

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40

Neal, Rebecca Anne. "Effect of combined stressors on heat acclimation and temperate exercise." Thesis, University of Portsmouth, 2017. https://researchportal.port.ac.uk/portal/en/theses/effect-of-combined-stressors-on-heat-acclimation-and-temperate-exercise(7873a797-3d32-40b6-ba6e-0bbf034e1493).html.

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Recent evidence suggests heat acclimation (HA) may improve exercise performance under cooler conditions and that combined-stressor approaches might optimise HA. Accordingly, the studies presented in this thesis examined strategies for optimising HA in well-trained athletes through the use of combined-stressor approaches and the subsequent effects on exercise in a temperate environment (cross-stressor). The first two studies examined the effect of dehydration in combination with exercise-heat stress on HA over the short- and longer-term and its subsequent decay, as well as investigating thermor

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41

Balci, Hamza. "Specific heat and nernst effect of electron-doped cuprate superconductors." College Park, Md. : University of Maryland, 2004. http://hdl.handle.net/1903/217.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2004.<br>Thesis research directed by: Physics. 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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Sarikaya, Onur Turgay. "Analysis Of Heat Treatment Effect On Springback In V-bending." Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/12610182/index.pdf.

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Aluminum based alloys have wide area of usage in automotive and defense industry and bending processes are frequently applied during production. One of the most important design criteria of bending processes is springback, which can be basically defined as elastic recovery of the part during unloading. To overcome this problem, heat treatment is generally applied to the workpiece material to refine tensile properties. In this study, the effect of heat treatment on springback characteristics of aluminum studied both numerically by using finite element analysis and experimentally. For this purp

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Churi, Asawari Shreeniwas. "Effect of heat shock on hilA expression in Salmonella Typhimurium." Texas A&M University, 2004. http://hdl.handle.net/1969.1/1490.

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The effect of heat shock was observed on the expression of hilA in Salmonella Typhimurium by creating a fluorescence-based reporter strain of Salmonella and by realtime reverse transcriptase polymerase chain reaction (RT-PCR). The hilA gene in Salmonella is known to play an important role in its pathogenesis. hilA is known to be activated when the bacteria encounter stress-inducing conditions. A number of factors have been identified that affect hilA expression, such as, pH, osmolarity, oxygen tension. When Salmonella enter their warm-blooded hosts, they encounter an increase in temperature. T

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Shahin, Gus A. "The effect of pulsating flow on forced convective heat transfer." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ39881.pdf.

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Shurkian, Omer M. "The effect of laundering and heat exposure on apparel fabrics." Thesis, University of Manchester, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.488300.

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46

Jackson, D. O. "The effect of plate geometry upon plate heat exchanger perormance." Thesis, University of Bradford, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.376714.

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47

Merkin, Ryan 1974. "The Urban Heat Island's Effect on the diurnal temperature range." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/28612.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 2004.<br>"June 2004."<br>Includes bibliographical references (p. 59-61).<br>(cont.) representing Phoenix and its rural equivalent is presented through a comparison with estimated energy fluxes for Houston, TX.<br>This study has found significant evidence of the Urban Heat Island Effect (UHIE) in Phoenix, AZ using historic and recent (up to 2002) temperature records. First, an explicit indicator of UHIE was identified by the -0.148⁰F per year decrease of the diurnal temperature range (DTR)

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Morrison, Graham K. "The effect of stabilization heat treatment on AA5182 aluminium alloy." Master's thesis, University of Cape Town, 2013. http://hdl.handle.net/11427/4961.

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Includes abstract.<br>Includes bibliographical references.<br>AA5182 aluminium alloy is used for the manufacturing of can ends for beverage cans. The alloy selection for this part is based on the formability of the material and its resistance to softening over time. Owing to the intricate design of the can end opening tab, it is vital that the material maintains its strength during its shelf life. The mechanical properties of the AA5182 aluminium alloy are dependent on the microstructural evolution of the alloy during processing and forming. Al-Mg alloys, like AA5182, can undergo a low tempera

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Nguyen, Duc-Khuyen, and 阮德勸. "Heat Transfer Characteristics of a Spiral Heat Exchanger with Solid Heat Conduction Effect." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/57129099195631040753.

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博士<br>國立中興大學<br>機械工程學系所<br>104<br>The effect of radial and spiral-direction solid heat conduction on the heat transfer effectiveness of a counter-current spiral heat exchanger constructed by four Archimedes spirals was investigated. The heat transfer effectiveness ( ) is a function of number of transfer units (NTU1 and NTU2), ratio of flow capacity rates (C), dimensionless wall thickness ( ), Biot number (Bi1 or Bi2), number of spiral turns (Nt) and dimensionless start-point angle of spiral ( ). By comparing to the effectiveness of the heat exchanger without the solid heat conduction effect (

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LIN, XU-KUN, and 林許坤. "Pressure effect on boiling heat transfer." Thesis, 1986. http://ndltd.ncl.edu.tw/handle/30731719930983729682.

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