Unsteady drainage of electrically conducting power law fluid

K. N. Memon, Sher Afzal Khan, S. Islam, Nazir Ahmad Zafar, Syed Feroz Shah, A. M. Siddiqui

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


In this paper, the thin film flow of a power law MHD fluid on a vertical cylinder for a drainage problem has been studied. The nonlinear differential equation has been derived from the momentum equation by Jeffrey's approach. Series solutions have been obtained for velocity, flow rate and thickness of the fluid film by Perturbation method. The graphical results for velocity profile and thickness of the film are discussed and examined for different parameters of interest.Without MHD our problem reduces to well known Newtonian and power law problem.

Original languageEnglish (US)
Pages (from-to)2287-2296
Number of pages10
JournalApplied Mathematics and Information Sciences
Issue number5
StatePublished - Sep 2014

All Science Journal Classification (ASJC) codes

  • Analysis
  • Numerical Analysis
  • Computer Science Applications
  • Computational Theory and Mathematics
  • Applied Mathematics


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