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Effectiveness of entropy generation and energy transfer on peristaltic flow of Jeffrey material with Darcy resistance

  • T. Hayat
  • , S. Farooq
  • , B. Ahmad
  • , A. Alsaedi
  • Quaid-I-Azam University
  • Faculty of Sciences, King Abdulaziz University

Research output: Contribution to journalArticlepeer-review

68 Scopus citations

Abstract

The primary goal of present article is to analyze the entropy generation on peristaltic flow of Jeffrey material in a curved configuration. Velocity and thermal slip conditions are invoked. An incompressible fluid in a channel saturates the porous space. Modelling is based upon modified Darcy's law for Jeffrey fluid. Large wavelength and low Reynolds number approximations are utilized. Exact solutions of the resulting system of differential equations with corresponding boundary conditions are computed. Further analysis is made for the pressure gradient, stream function, velocity of the fluid, temperature, entropy generation and Bejan number. It is found that entropy generation and Bejan number are more visible in the vicinity of the channel walls when compared at the channel center.

Original languageEnglish
Pages (from-to)244-252
Number of pages9
JournalInternational Journal of Heat and Mass Transfer
Volume106
DOIs
StatePublished - 1 Mar 2017
Externally publishedYes

Keywords

  • Entropy generation
  • Jeffrey fluid
  • Modified Darcy's law
  • Pumping and trapping
  • Velocity and thermal slip conditions

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