Click here to view fulltext PDF

Permanent link:
https://www.ias.ac.in/article/fulltext/sadh/041/06/0653-0666

Knudsen number; modified Brinkman number; temperature jump; velocity slip; viscous dissipation.

This paper presents an analytical investigation to study the heat transfer and fluid flow characteristics in the slip flow region for hydrodynamically and thermally fully developed flow between parallel plates.Both upper and lower plates are subjected to asymmetric heat flux boundary conditions. The effect of first ordervelocity slip, temperature jump, asymmetric heat flux ratio and viscous dissipation on the heat transfer performance is analyzed. Closed form expressions are obtained for the temperature distribution and Nusselt number. Present predictions are verified for the cases that neglect the viscous heating and microscale effects. The effect of asymmetric heat flux ratio with and without viscous dissipation on Nusselt number for both macroscale and microscale is highlighted. The heat transfer characteristics are found to depend on various modeling parameters, namely, modified Brinkman number, Knudsen number and heat flux ratio

HARI MOHAN KUSHWAHA¹ SANTOSH K SAHU

1. Discipline of Mechanical Engineering, School of Engineering, Indian Institute of Technology Indore,Indore 453446, India

Published

June 2016

Manuscript received

10 March 2015

Manuscript revised

20 November 2015

Accepted

6 January 2016