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Features of Heat Transfer on a Permeable Surface in a Compressible-Gas Flow

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A laminar compressible boundary layer on a permeable plate under blowing at small and large Prandtl numbers is investigated numerically. For Prandtl numbers Pr < 1 and the temperature of… Click to show full abstract

A laminar compressible boundary layer on a permeable plate under blowing at small and large Prandtl numbers is investigated numerically. For Prandtl numbers Pr < 1 and the temperature of the gas blown lower than the temperature of the adiabatic impenetrable wall, the calculations carried out confirm the existence of a region of the permeable wall where the temperature is lower than the temperature of the blown gas. For Prandtl numbers Pr > 1 at a blown-gas temperature higher than that of the adiabatic impenetrable wall, the temperature of the permeable wall is higher than that of the blown gas.

Keywords: temperature; blown gas; features heat; gas; wall; prandtl numbers

Journal Title: Doklady Physics
Year Published: 2018

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