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research-article

Analysis of Entropy Generation due to Micropolar Fluid Flow in a Rectangular duct subjected to slip and convective boundary conditions

[+] Author and Article Information
D. Srinivasacharya

Department of Mathematics National Institute of Technology Warangal-506004
dsrinivasacharya@yahoo.com

K. Himabindu

Department of Mathematics National Institute of Technology Warangal-506004
k3himabindu@gmail.com

1Corresponding author.

ASME doi:10.1115/1.4036077 History: Received March 12, 2016; Revised February 05, 2017

Abstract

The entropy generation due to steady, incompressible micropolar fluid flow in a rectangular duct with slip and convective boundary conditions is calculated. An external uniform magnetic field is applied which is directed arbitrarily in a plane perpendicular to the flow direction. The governing partial differential equations of momentum, angular momentum and energy are solved numerically using finite difference method. The obtained velocity, microrotation and temperature distributions are then used to evaluate the entropy generation and Bejan number. The effects of various parameters on the entropy generation and Bejan number are discussed through graphs.

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