Volume 14, Issue 6 (9-2014)                   Modares Mechanical Engineering 2014, 14(6): 35-40 | Back to browse issues page

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Shahmardan M M, Norouzi M, Naqhikhani A. Numerical Simulation of Non-Newtonian fluid flows through a channel with a cavity. Modares Mechanical Engineering 2014; 14 (6) :35-40
URL: http://mme.modares.ac.ir/article-15-4403-en.html
Abstract:   (6141 Views)
In this paper, numerical solution of non-Newtonian fluid flow through a channel with a cavity is studied. Carreau-Yasuda non-Newtonian model which represent dependence of stress on shear rate well is used and the effect of n index of model on attribute of flow is considered. Governing equations are discretized using finite difference method on staggered mesh and the form of allocating flow parameters on staggered mesh is based on marker and cell method. For dependence between continuity and momentum equations, artificial compressibility method is used. Numerical results express that with decrease of n index, the developing length is increased and the velocity in center of channel and pressure drop of flow are decreased.
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Article Type: Research Article | Subject: CFD|Non-Newtonian Fluid Mechanics
Received: 2013/02/10 | Accepted: 2013/06/30 | Published: 2014/07/13

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