Unsteady Hydromagnetic Free Convection Flow with Heat Flux and Accelerated Boundary Motion

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

The effects of viscosity, magnetic field and buoyancy force on the unsteady free convection flow of an incompressible and electrically conducting fluid have been analysed when the flow is generated by uniformly accelerated motion of a vertical plate subject to constant heat flux. The resulting boundary value problem has been solved exactly for the temperature and velocity variables. The fluid velocity and the skin friction have been computed for some saturated liquids and the effects of the fluid and external forces have been discussed. It is observed that the increase in velocity caused by the larger heat flux can be controlled by enhancing the magnetic field strength. The skin friction at the boundary increases for larger Prandtl and Hartmann numbers, and decreases with increasing Grashof number.

Original languageEnglish
Pages (from-to)124-129
Number of pages6
JournalJournal of the Physical Society of Japan
Volume67
Issue number1
Publication statusPublished - Jan 1998

Fingerprint

free convection
magnetohydrodynamics
heat flux
skin friction
Hartmann number
Grashof number
conducting fluids
fluids
Prandtl number
magnetic fields
buoyancy
boundary value problems
field strength
viscosity
liquids
temperature

Keywords

  • Accelerated motion
  • Convolution
  • Exact solution
  • Free convection
  • Laplace transform
  • Rayleigh problem
  • Skin friction

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Unsteady Hydromagnetic Free Convection Flow with Heat Flux and Accelerated Boundary Motion. / Chandran, Pallath; Sacheti, Nirmal C.; Singh, Ashok K.

In: Journal of the Physical Society of Japan, Vol. 67, No. 1, 01.1998, p. 124-129.

Research output: Contribution to journalArticle

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