ACTIVE CONTROL OF FLOW AND HEAT TRANSFER IN BOUNDARY LAYER ON THE POROUS BODY OF ARBITRARY SHAPE

Abstract

The paper discusses the possibility of active control of flow and heat transfer sing a magnetic field and suction in a generalized form. The unsteady emperature two-dimensional laminar magnetohydrodynamic boundary layer of ncompressible fluid on a porous body of arbitrary shape is analyzed. Outer lectric filed is neglected, magnetic Reynolds number is significantly lower than ne i. e. the considered problem is in inductionless approximation. Characteristic roperties of fluid are constant and it is assumed that a uniform suction or njection of a fluid, same as the fluid in primary flow, can take place through the ody surface. The boundary-layer equations are generalized such that the quations and the boundary conditions are independent of the particular onditions of the problem, and this form is considered as universal. Obtained niversal equations are numerically solved using the "progonka" method. umerical results for the dimensionless velocity, temperature, shear stress and eat transfer as functions of introduced sets of parameters are obtained, isplayed graphically and used to carry out general conclusions about the evelopment of temperature magnetohydrodynamic boundary layer.

Keywords

Dates

  • Submission Date2012-04-27
  • Revision Date2012-05-05
  • Acceptance Date2012-06-06

DOI Reference

10.2298/TSCI120427170N

References

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