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Unsteady magnetohydrodynamic free convection flow of a second grade fluid in a porous medium with ramped wall temperature

Samiulhaq 1 , Ahmad S 2 , Vieru D 3 , Khan I 4 , Shafie S 5

Affiliations 

  • 1 Department of Mathematics, City University of Science and Information Technology, Peshawar, Pakistan
  • 2 COMSATS Institute of Information Technology, Attock, Pakistan
  • 3 Technical University "Gheorghe Asachi" of Iasi, Iasi, Romania
  • 4 College of Engineering Majmaah University, Majmaah, Saudi Arabia
  • 5 Department of Mathematical Sciences, Faculty of Science, Universiti Teknologi Malaysia, Skudai, Johor, Malaysia
PLoS One, 2014;9(5):e88766.
PMID: 24785147 DOI: 10.1371/journal.pone.0088766

Abstract

Magnetic field influence on unsteady free convection flow of a second grade fluid near an infinite vertical flat plate with ramped wall temperature embedded in a porous medium is studied. It has been observed that magnitude of velocity as well as skin friction in case of ramped temperature is quite less than the isothermal temperature. Some special cases namely: (i) second grade fluid in the absence of magnetic field and porous medium and (ii) Newtonian fluid in the presence of magnetic field and porous medium, performing the same motion are obtained. Finally, the influence of various parameters is graphically shown.

* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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