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A modified homogeneous-heterogeneous reactions for MHD stagnation flow with viscous dissipation and Joule heating

  • Muhammad Imran Khan
  • , Tasawar Hayat
  • , Muhammad Ijaz Khan
  • , Ahmed Alsaedi
  • Heriot-Watt University
  • Quaid-I-Azam University
  • Faculty of Sciences, King Abdulaziz University

Research output: Contribution to journalArticlepeer-review

144 Scopus citations

Abstract

Our objective here is to introduce the new chemical reaction model in MHD stagnation point flow. Mathematical modeling is based for the rheological relations of Casson liquid. Flow induced is due to sheet moving with nonlinear velocity. The velocity of external flow is also nonlinear. Effects of magnetohydrodynamics (MHD), viscous dissipation and Joule heating are also accounted. Nonlinear differential systems via implementation of appropriate transformations are computed through built in shooting method. Graphical and tabular behaviors of various pertinent parameters on velocity, temperature, concentration, skin friction and Nusselt and Sherwood numbers are analyzed. Our computed results interpret that velocity distribution decays for higher estimation of magnetic parameter while temperature distribution shows increasing behavior for larger homogeneous heat parameter.

Original languageEnglish
Pages (from-to)310-317
Number of pages8
JournalInternational Journal of Heat and Mass Transfer
Volume113
DOIs
StatePublished - 2017
Externally publishedYes

Keywords

  • Casson fluid
  • Homogeneous-heterogeneous reactions
  • Joule heating
  • Stagnation point flow
  • Viscous dissipation

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