High-precision Nusselt number and local temperature measurements in very small aspect-ratio turbulent thermal convection.

• Other Authors: Ren, Liyuan.
• Format: Others
• Language: English; Chinese
• Published: 2006
• Subjects: Heat > Convection; Turbulence; Nusselt number; Heat > Transmission > Measurement
• Online Access: http://library.cuhk.edu.hk/record=b5892789; http://repository.lib.cuhk.edu.hk/en/item/cuhk-325477

Ren Liyuan = 小寬高比熱對流中高精度Nusselt數和局部溫度測量 / 任立元. === Thesis (M.Phil.)--Chinese University of Hong Kong, 2006. === Includes bibliographical references (leaves 64-66). === Text in English; abstracts in English and Chinese. === Ren Liyuan = Xiao kuan gao bi re dui liu zhong gao jing du Nusselt shu he ju bu wen du ce liang / Ren Liyuan. === Abstract (in English) --- p.i === Abstract (in Chinese) --- p.ii === Acknowledgements --- p.iii === Table of Contents --- p.iv === List of Figures --- p.vi === List of Tables --- p.ix === Chapters === Chapter I. --- Turbulent Rayleigh-Benard Convection --- p.1 === Chapter 1.1 --- Introduction of Rayleigh-Benard Convection --- p.1 === Chapter 1.2 --- The Convection Equations --- p.2 === Chapter 1.3 --- The parameters --- p.3 === Chapter 1.4 --- Background --- p.5 === Chapter 1.5 --- Synopsis of this thesis --- p.8 === Chapter II. --- Experimental Setup and Methods --- p.9 === Chapter 2.1 --- The Apparatus --- p.9 === Chapter 2.2 --- Thermistor Calibration --- p.12 === Chapter III. --- Local temperature measurements --- p.19 === Chapter 3.1 --- Introduction and motivation --- p.19 === Chapter 3.2 --- Local temperature measurements --- p.20 === Chapter 3.3 --- Temperature time series and histograms --- p.20 === Chapter 3.4 --- Mean temperature profile --- p.24 === Chapter 3.5 --- Summery --- p.35 === Chapter 3.6 --- Appendix A: Data lists for this chapter --- p.36 === Chapter IV --- Heat transport measurement --- p.39 === Chapter 4.1 --- Introduction and Motivation --- p.39 === Chapter 4.2 --- Heat transfer measurements --- p.40 === Chapter 4.3 --- Experimental uncertainties associated with high-precision measurements of Nu --- p.41 === Chapter 4.3.1 --- Cell height measurement --- p.41 === Chapter 4.3.2 --- Temperature measurement --- p.41 === Chapter 4.3.3 --- Thermal source --- p.41 === Chapter 4.3.4 --- Thermal leakage --- p.42 === Chapter 4.3.5 --- Sidewalleffect --- p.44 === Chapter 4.3.6 --- Long time measurement --- p.44 === Chapter 4.4 --- Results and discussion --- p.45 === Chapter 4.4.1 --- Experimental data --- p.45 === Chapter 4.4.2 --- Finite conductivity effect --- p.47 === Chapter 4.4.3 --- Nu dependence on Г --- p.49 === Chapter 4.4.4 --- Nu dependence on Ra --- p.50 === Chapter 4.5 --- Summary --- p.53 === Chapter 4.6 --- Appendix B: Data lists for this chapter --- p.54 === Chapter V. --- Conclusions --- p.62 === References --- p.64