On Taylor dispersion in oscillatory channel flows

被引：15
|
作者：
Jansons, Kalvis M. [1 ]
机构：
[1] UCL, Dept Math, London WC1E 6BT, England
来源：
PROCEEDINGS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES | 2006年 / 462卷 / 2076期
关键词：
Taylor dispersion; oscillatory flows; non-Newtonian fluids; power-law fluids; particle sorting; transport in bones and connective tissue;
D O I：
10.1098/rspa.2006.1745
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
We revisit Taylor dispersion in oscillatory flows at zero Reynolds number, giving an alternative method of calculating the Taylor dispersivity that is easier to use with computer algebra packages to obtain exact expressions. We consider the effect of out-of-phase oscillatory shear and Poiseuille flow, and show that the resulting Taylor dispersivity is independent of the phase difference. We also determine exact expressions for several examples of oscillatory power-law fluid flows.
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页码：3501 / 3509
页数：9
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