On the Heat Transfer in Laminar Incompressible Boundary Layer on a Flat Plate with Fluid Injection or Suction

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Abstract

Previously, the author studied analytically the problems of the laminar boundary layer along a flat plate with uniform injection or suction by the method of v.Karman-Pohlhausen using the 5th degree polynomials and obtained some interesting results on the velocity distributions, friction coefficients, and critical suction Reynolds number etc. Now, the heat transfer problems under the same physical conditions have been tried to solve approximately in connection with the problems of transpiration cooling. But the energy equation has some difficult points even in the case of 'incompressible' problems, so attending to the analogous form of the equation with momentum boundary layer equation he has tried to approximate the solution using the results obtained previously in the case of momentum boundary layer problems assuming the value of Prandtl number be nearly unity.

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