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Free convection heat transfer over a horizontal plate at low prandtl number
Author(s) -
Singh P.,
Narayan K. A.
Publication year - 1989
Publication title -
the canadian journal of chemical engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.404
H-Index - 67
eISSN - 1939-019X
pISSN - 0008-4034
DOI - 10.1002/cjce.5450670324
Subject(s) - prandtl number , film temperature , boundary layer , mechanics , heat transfer , convective heat transfer , turbulent prandtl number , natural convection , heat transfer coefficient , convection , physics , thermodynamics , mathematics , materials science , classical mechanics , nusselt number , reynolds number , turbulence
Boundary layer equations for free convection heat transfer along a semi‐infinite horizontal plate are derived by giving more importance to the energy equation. The equations are obtained for low Prandtl number and two separate polynomials are used to approximate the temperature and velocity profiles in these regions. The rate of heat transfer is compared with the available analytical and numerical results based on conventional boundary layer equations.