Experimental investigation of scalar mixing and self-organized structures in thermal turbulence.

• Other Authors: Zhou, Quan.
• Format: Others
• Language: English; Chinese
• Published: 2005
• Subjects: Heat > Convection; Turbulence; Scalar field theory; Rayleigh-Benard convection
• Online Access: http://library.cuhk.edu.hk/record=b5892659; http://repository.lib.cuhk.edu.hk/en/item/cuhk-325464

Zhou Quan = 关於热湍流中标量场混合和自组织结构的实验研究 / 周全. === Thesis (M.Phil.)--Chinese University of Hong Kong, 2005. === Includes bibliographical references (leaves 89-94). === Text in English; abstracts in English and Chinese. === Zhou Quan = Guan yu re tuan liu zhong biao liang chang hun he he zi zu zhi jie gou de shi yan yan jiu / Zhou Quan. === Abstract --- p.ii === Acknowledge --- p.iii === Table of Contents --- p.v === List of Figures --- p.xii === List of Tables --- p.xiii === Chapter 1 --- Introduction --- p.1 === Chapter 1.1 --- Rayleigh-Benard System --- p.2 === Chapter 1.1.1 --- Physics Picture --- p.2 === Chapter 1.1.2 --- Basic Equations and Characteristic Parameters --- p.3 === Chapter 1.2 --- Passive and Active Scalars --- p.6 === Chapter 1.3 --- Large-Scale Circulation (LSC) --- p.7 === Chapter 2 --- Passive and Active Scalars in Convective Thermal Turbulence --- p.9 === Chapter 2.1 --- Experimental Setup and Measurement Techniques --- p.9 === Chapter 2.1.1 --- Rectangular Cell --- p.9 === Chapter 2.1.2 --- Temperature probe: thermistor --- p.12 === Chapter 2.1.3 --- Laser Induced Fluorescence (LIF) --- p.16 === Chapter 2.2 --- Passive Scalar Measurements --- p.24 === Chapter 2.2.1 --- Concentration Time Series --- p.24 === Chapter 2.2.2 --- Statistical Properties --- p.26 === Chapter 2.3 --- Active Scalar Measurements --- p.35 === Chapter 2.4 --- Relationship between passive scalar and active scalar --- p.41 === Chapter 2.4.1 --- Cross-correlation Functions --- p.41 === Chapter 2.4.2 --- Structure Functions --- p.48 === Chapter 2.5 --- Summary --- p.60 === Chapter 3 --- The Azimuthal Motion of the Mean Wind in Turbulent Rayleigh- Benard Convection --- p.63 === Chapter 3.1 --- Experimental Setup and Measurement Techniques --- p.64 === Chapter 3.1.1 --- Cylindrical Cell --- p.64 === Chapter 3.1.2 --- Particle Image Velocimetry (PIV) --- p.65 === Chapter 3.2 --- Azimuthal Motion of the Mean Wind in the Γ = 1.0 Cell --- p.68 === Chapter 3.2.1 --- Time-trace of the LSC orientation Φ --- p.69 === Chapter 3.2.2 --- Statistical properties of azimuthal motion of the mean wind --- p.73 === Chapter 3.3 --- Azimuthal Motion of the Mean Wind in theΓ = 0.5 Cell --- p.77 === Chapter 3.3.1 --- Time-trace of the LSC orientation Φ --- p.78 === Chapter 3.3.2 --- Statistical properties of azimuthal motion of the mean wind --- p.80 === Chapter 3.4 --- Summary --- p.85 === Chapter 4 --- Conclusion --- p.86 === Chapter 4.1 --- Scalar Mixing --- p.86 === Chapter 4.2 --- The Azimuthal Motion of the LSC --- p.87 === Chapter 4.3 --- Perspective for Further Investigation --- p.88 === Bibliography --- p.88