Jin, Xiaoli = 關於脈衝驅動熱湍流的實驗研究 / 金晓莉. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2007. / Includes bibliographical references (leaves 83-86). / Text in English; abstracts in English and Chinese. / Jin, Xiaoli = Guan yu mai chong qu dong re tuan liu de shi yan yan jiu / Jin Xiaoli. / Abstract --- p.ii / Acknowledge --- p.iv / Table of Contents --- p.vii / List of Figures --- p.xii / List of Tables --- p.xiii / Chapter 1 --- Introduction --- p.1 / Chapter 1.1 --- Rayleigh-Benard convection --- p.1 / Chapter 1.2 --- Turbulence driven by time-dependent forcing --- p.5 / Chapter 1.3 --- Motivation --- p.7 / Chapter 1.4 --- Organization of the thesis --- p.8 / Chapter 2 --- Experimental Setup --- p.10 / Chapter 2.1 --- The Convection cell --- p.10 / Chapter 2.2 --- Heating and Cooling --- p.14 / Chapter 2.3 --- Temperature and voltage measurement --- p.15 / Chapter 2.3.1 --- Temperature probes --- p.16 / Chapter 2.3.2 --- Data acquisition: digital multimeter --- p.17 / Chapter 2.3.3 --- Data acquisition: AC Wheatstone bridge and Lock-in amplifier --- p.18 / Chapter 3 --- Steadily driven thermal turbulence: constant heating --- p.21 / Chapter 3.1 --- Local temperature fluctuations --- p.21 / Chapter 3.2 --- Signatures of plume emissions inside conducting plates --- p.26 / Chapter 3.3 --- Nusselt number --- p.33 / Chapter 3.4 --- Correlation functions and Power spectrums --- p.35 / Chapter 4 --- Kicked turbulence: periodically pulsed heating --- p.38 / Chapter 4.1 --- Periodically pulsed heating power --- p.38 / Chapter 4.2 --- In-plate temperature signals --- p.39 / Chapter 4.3 --- Rayleigh number controlling --- p.42 / Chapter 4.3.1 --- Experimental results --- p.42 / Chapter 4.3.2 --- Theoretical explanation: mean-field theory --- p.47 / Chapter 4.4 --- In-plate temperature fluctuation --- p.55 / Chapter 4.5 --- Correlation functions and power spectra --- p.58 / Chapter 4.6 --- Nusselt number enhancement --- p.62 / Chapter 4.6.1 --- Motivation --- p.62 / Chapter 4.6.2 --- Experiment --- p.64 / Chapter 4.6.3 --- Results --- p.66 / Chapter 4.6.4 --- Discussion --- p.70 / Chapter 5 --- Modulated turbulence: sinusoidal heating --- p.75 / Chapter 5.1 --- Motivation --- p.75 / Chapter 5.2 --- Nusselt number measurement --- p.76 / Chapter 6 --- Conclusion --- p.80 / Chapter 6.1 --- Periodically kicked turbulence --- p.80 / Chapter 6.2 --- Sinusoidally modulated turbulence --- p.81 / Chapter 6.3 --- Future works --- p.82 / Bibliography --- p.82
| Identifer | oai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_326050 |
| Date | January 2007 |
| Contributors | Jin, Xiaoli., Chinese University of Hong Kong Graduate School. Division of Physics. |
| Source Sets | The Chinese University of Hong Kong |
| Language | English, Chinese |
| Detected Language | English |
| Type | Text, bibliography |
| Format | print, xiii, 86 leaves : ill. ; 30 cm. |
| Rights | Use 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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