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Local heat flux measurement in Rayleigh-Benard convection. / 瑞利-伯纳德对流中的局域热传导的测量 / Local heat flux measurement in Rayleigh-Bénard convection. / Ruili-Bonade dui liu zhong de ju yu re chuan dao de ce liang

Xiao Yi-fei = 瑞利-伯纳德对流中的局域热传导的测量 / 肖毅腓. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2004. / Includes bibliographical references (leaves 85-89). / Text in English; abstracts in English and Chinese. / Xiao Yi-fei = Ruili-Bonade dui liu zhong de ju yu re chuan dao de ce liang / Xiao Yifei. / Abstract (in Chinese) --- p.i / Abstract (in English) --- p.ii / Acknowledgements --- p.iii / Table of Contents --- p.iv / List of Figures --- p.vi / List of Tables --- p.xi / Chapter Chapter 1 --- Theory and Some Physical Picture in Raleigh-Benard convection --- p.1 / Chapter 1.1 --- Introduction --- p.1 / Chapter 1.2 --- Rayleigh-Benard Convection and its dominated element --- p.3 / Chapter 1.2.1 --- Free convection Equation --- p.3 / Chapter 1.2.2 --- Heat transfer equation in Experiment --- p.6 / Chapter 1.2.3 --- Physical Picture of Plumes --- p.8 / Chapter 1.2.4 --- Large Scale Structure and Plumes --- p.9 / Chapter Chapter 2 --- Experimental Setup and Instrumentation --- p.11 / Chapter 2.1 --- The convection Cell for the experiment --- p.11 / Chapter 2.2 --- Temperature probe and its calibration --- p.14 / Chapter 2.3 --- Principle of Wheatstone electrical Bridge --- p.17 / Chapter 2.4 --- The Principle of Laser Doppler Velocimetry (LDV) --- p.21 / Chapter 2.4.1 --- Features of LDV / Chapter 2.4.2 --- Measurement position in Simultaneous Measurement Velocity and Temperature --- p.25 / Chapter 2.4.3 --- Data analysis of LDV --- p.27 / Chapter Chapter 3 --- Measurement of Local Heat Flux --- p.31 / Chapter 3.1 --- Simultaneous measurement velocity in Different Distance --- p.31 / Chapter 3.2 --- Treatment of Heat Flux Signals --- p.40 / Chapter 3.2.1 --- Sampling Clock of Heat Flux --- p.40 / Chapter 3.2.1 --- Expanding j Relative to Mean wind and Local Fluctuation Term --- p.44 / Chapter 3.2.3 --- "Temperature, Velocity and Heat Flux's Corrections" --- p.46 / Chapter 3.3 --- Conclusions --- p.50 / Chapter Chapter 4 --- Result and Discussion --- p.51 / Chapter 4.1 --- Spatial structure of Heat Flux --- p.51 / Chapter 4.1.1 --- Ra-dependent Spatial Structure for Flow Along the LSC plane --- p.51 / Chapter 4.1.2 --- Ra-dependent Spatial Structure for Flow Perpendicular to the LSC plane --- p.58 / Chapter 4.1.3 --- Comparisons of Jz and Jzfluc --- p.62 / Chapter 4.2 --- Fluctuations of Local Heat Flux --- p.65 / Chapter 4.2.1 --- At Cell Center --- p.65 / Chapter 4.2.2 --- Near Sidewall --- p.70 / Chapter 4.3 --- Conclusions --- p.80 / Chapter Chapter 5 --- Conclusions and Future Work --- p.81 / Chapter 5.1 --- Conclusions --- p.81 / Chapter 5.2 --- Perspective for Further Investigation --- p.84 / Reference --- p.85 / List of Figures / Chapter 1.1 --- Typical temperature profile along z-direction (From lower plate to upper) --- p.7 / Chapter 2.1 --- Sketch of the convection cell for simultaneous measurement temperature and velocity --- p.12 / Chapter 2.2 --- The setup of temperature probe calibration --- p.15 / Chapter 2.3 --- A typical temperature calibrate Resistance vs. Temperature --- p.16 / Chapter 2.4 --- The Wheatstone bridge and the differential amplifier: R0=10.0 kΩ; R1=R2=R3=Rf=5.0 kΩ; Rv is used to balance the bridge --- p.18 / Chapter 2.5 --- Schematic diagram Principle of the LDV --- p.22 / Chapter 2.6 --- Measuring volume of Laser Doppler Velocimetry --- p.24 / Chapter 2.7 --- Velocity (m/s) vs. Transit Time (ms) --- p.28

Identiferoai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_324670
Date January 2004
ContributorsXiao, Yifei., Chinese University of Hong Kong Graduate School. Division of Physics.
Source SetsThe Chinese University of Hong Kong
LanguageEnglish, Chinese
Detected LanguageEnglish
TypeText, bibliography
Formatprint, xi, 89 leaves : ill. ; 30 cm.
RightsUse of this resource is governed by the terms and conditions of the Creative Commons “Attribution-NonCommercial-NoDerivatives 4.0 International” License (http://creativecommons.org/licenses/by-nc-nd/4.0/)

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