Drag and fall velocity of a spherical particle in generalized Newtonian and viscoplastic fluids

被引：9

作者：

Dolejs, V ^{[1
]}

Dolecek, P ^{[1
]}

Siska, B ^{[1
]}

机构：

[1] Univ Pardubice, Dept Chem Engn, Pardubice 53210, Czech Republic

来源：

CHEMICAL ENGINEERING AND PROCESSING-PROCESS INTENSIFICATION | 1998年 / 37卷 / 02期

关键词：

generalized Newtonian fluid; viscoplastic fluid; drag of spherical particle; sedimentation of spherical particle; fixed bed of particles;

D O I：

10.1016/S0255-2701(97)00054-8

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

An approach to the calculation of drag and fall velocity of a spherical particle in generalized Newtonian and viscoplastic fluids is suggested. It is based on the application of the modified Rabinowitsch-Mooney equation together with the corresponding relations for consistency variables. The usefulness of this approach has been verified for the Ellis and Bingham fluids. The solution has been used to suggest the corresponding relationships for the calculation of pressure drop in the flow of a viscoplastic fluid through a random fixed bed of particles. (C) 1998 Elsevier Science S.A. All rights reserved.

引用

页码：189 / 195

页数：7

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