effects of polymer concentration on turbulent drag reduction.

• Other Authors: Leung, Chung Yin.
• Format: Others
• Language: English; Chinese
• Published: 2011
• Subjects: Polymers > Viscosity > Mathematical models; Frictional resistance (Hydrodynamics); Turbulence
• Online Access: http://library.cuhk.edu.hk/record=b5894796; http://repository.lib.cuhk.edu.hk/en/item/cuhk-327515

Leung, Chung Yin = 聚合物濃度對湍流減阻的影響 / 梁頌賢. === Thesis (M.Phil.)--Chinese University of Hong Kong, 2011. === Includes bibliographical references (leaves 106-108). === Abstracts in English and Chinese. === Leung, Chung Yin = Ju he wu nong du dui tuan liu jian zu de ying xiang / Liang Songxian. === Abstract --- p.i === 概要 --- p.iii === Acknowledgements --- p.iv === Chapter 1 --- Introduction --- p.1 === Chapter 1.1 --- The phenomenon of polymer drag reduction --- p.1 === Chapter 1.2 --- The Phenomenology of drag reduction --- p.9 === Chapter 1.3 --- A recent theory --- p.19 === Chapter 2 --- Review of a recent theory of drag reduction --- p.21 === Chapter 2.1 --- The balance equations --- p.21 === Chapter 2.2 --- Estimating the average terms --- p.26 === Chapter 2.2.1 --- Average terms for flexible polymers --- p.27 === Chapter 2.2.2 --- Average terms for rodlike polymers --- p.32 === Chapter 2.3 --- Solving the balance equations --- p.34 === Chapter 3 --- Behavior near the maximum drag reduction asymptote --- p.42 === Chapter 4 --- Reduction of drag at small concentrations --- p.57 === Chapter 5 --- Velocity profiles and friction factor relations --- p.61 === Chapter 5.1 --- Newtonian flow without polymer --- p.61 === Chapter 5.2 --- Flow at high polymer concentration --- p.63 === Chapter 5.3 --- Flow at intermediate concentration --- p.68 === Chapter 6 --- The Reynolds stress profile --- p.88 === Chapter 7 --- Percentage drag reduction --- p.95 === Chapter 8 --- Conclusion and future work --- p.104 === Bibliography --- p.106