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Pramana

, 91:47 | Cite as

Temperature and concentration gradient effects on heat and mass transfer in micropolar fluid

  • Sanna Iram
  • Muhammad Nawaz
  • Asad Ali
Article
  • 51 Downloads

Abstract

This study investigates the temperature and concentration gradients on the transfer of heat and mass in the presence of Joule heating, viscous dissipation and time-dependent first-order chemical reaction in the flow of micropolar fluid. Governing boundary value problems are solved analytically and the effects of parameters involved are studied. The behaviour of the Nusselt number (at both disks) is noted and recorded in a tabular form. The present results have an excellent agreement with the already published results for a special case. The rate of transport of heat by concentration gradient and the diffusion of solute molecules by temperature gradient are increased. The concentration field is increased by constructive chemical reaction and it decreases when the rate of destructive chemical reaction is increased.

Keywords

Heat and mass transfer temperature and concentration gradients Nusselt number and Sherwood number 

PACS Nos

44.05.e 47.35.Pq 81.40.Gh 

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Copyright information

© Indian Academy of Sciences 2018

Authors and Affiliations

  1. 1.Department of Applied Mathematics and StatisticsInstitute of Space TechnologyIslamabadPakistan
  2. 2.Department of Space ScienceInstitute of Space TechnologyIslamabadPakistan

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