The Stress-State in a Torsion Shear Cell Filled With a Newtonian Fluid

[+] Author and Article Information
M. A. Koenders, N. Gaspar, E. Liebhart

Department of Chemistry, Penrhyn Road, Kingston University, Kingston upon Thames KT1 2EE, United Kingdom

J. Fluids Eng 121(3), 560-567 (Sep 01, 1999) (8 pages) doi:10.1115/1.2823505 History: Received June 08, 1998; Revised May 17, 1999; Online December 04, 2007


The flow in a torsional shear cell is investigated with the purpose of finding a measure for the wall effect due to strongly nonuniform flow in the vicinity of the edge of the top platen. Various laminar flow problems are analysed that are relevant to this set-up. These include pure shearing flow of a single fluid in a both an infinite and finite cell, as well as pure shear of a two-fluid system in a finite cell. For pure shearing flow it is found that the extent of the wall effect is of the order of magnitude of the depth of the fluid layer. For piston flow the wall effect is entirely determined by boundary conditions at the bottom of the cell.

Copyright © 1999 by The American Society of Mechanical Engineers
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