Turbulent drag reduction by flexible and rodlike polymers: Crossover effects at small concentrations
Publication in refereed journal

香港中文大學研究人員

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摘要Drag reduction by polymers is bounded between two universal asymptotes, the von Karman log law of the law and the maximum drag reduction (MDR) asymptote. It is theoretically understood why the MDR asymptote is universal, independent of whether the polymers are flexible or rodlike. The crossover behavior from the Newtonian von Karman log law to the MDR is, however, not universal, showing different characteristics for flexible and rodlike polymers. In this paper we provide a theory for this crossover phenomenology.
著者Ching ESC, Lo TS, Procaccia I
期刊名稱Physical Review E
出版年份2006
月份8
日期1
卷號74
期次2
出版社AMERICAN PHYSICAL SOC
國際標準期刊號1539-3755
電子國際標準期刊號1550-2376
語言英式英語
Web of Science 學科類別Physics; Physics, Fluids & Plasmas; PHYSICS, FLUIDS & PLASMAS; Physics, Mathematical; PHYSICS, MATHEMATICAL

上次更新時間 2020-27-10 於 02:17