Some further observations on the creeping motion of spheres through Ellis model fluids期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Some further observations on the creeping motion of spheres through Ellis model fluids

Authors:	R. P. Chhabra I. Machač P. H. T. Uhlherr

Affiliation:	(1) Department of Chemical Engineering, University College of Swansea, SA2 8PP Singleton Park, Swansea, Great Britain;(2) Department of Chemical Engineering, University of Chemical Technology, Leninovo námstí 565, Pardubice, Czechoslovakia;(3) Department of Chemical Engineering, Monash University, 3168 Clayton, Vic., Australia

Abstract:	Using the formulation of Hopke and Slattery, upper and lower bounds on the drag coefficient of a sphere moving slowly in Ellis model fluids have been calculated, over wide range of conditions, and compared with the suitable experimental data available in the literature.C_D drag coefficient - d diameter of sphere - El Ellis number - Re Reynolds number based on zero-shear viscosity - V terminal falling velocity of a sphere - X drag correction factor - Ellis model parameter - ₀ zero-shear viscosity - _1/2 Ellis model parameter

Keywords:	Ellis model fluid sphere drag non-newtonian flow creeping motion
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