Laminar natural-convection flow and heat transfer of fluids with and without heat sources in channels with constant wall temperatures

Simon Ostrach
Dec 1952

The natural-convection phenomenon is analyzed and it is found that the flow and heat transfer, in general, not only are functions of the Prandtl and Grashof numbers but also depend on a new dimensionless parameter. If this parameter is not negligibly small, the compression work and frictional heating may appreciably affect this mode of heat transfer.

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