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The modified Casson's equation and its application to pipe flows of shear-thickening fluid
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作者 Hao Xue 《Acta Mechanica Sinica》 SCIE EI CAS CSCD 2005年第3期243-248,共6页
A few additional data from our previous experiments were plotted to emphasize the shear-thickening behavior ofdeoxy sickle erythrocyte (SS) suspension. A constitutive equation (named as FX equation) was developed ... A few additional data from our previous experiments were plotted to emphasize the shear-thickening behavior ofdeoxy sickle erythrocyte (SS) suspension. A constitutive equation (named as FX equation) was developed and applied to a cylindrical pipe flow of a shear-thickening fluid. A blunt velocity profile and its volume flow rate were calculated. The flow was non-viscous (potential) in the central part of the pipe (i.e. the central core or the central plug-flow), and became more and more viscous towards the wall of the pipe after a specific radial distance, which was determined by a critical shear rate of γF (named as Fung's shear rate). Furthermore, combining the FX equation with the original Casson's equation, the author obtained a modified Casson's equation by introducing γF. 展开更多
关键词 Sickle erythrocyte Fung's shear rate fx equation Potential plug Casson's plot
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