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 TVT, 2015, Volume 53, Issue 6, Pages 910–917 (Mi tvt7994)

Heat and Mass Transfer and Physical Gasdynamics

The boundary layer on a flat plate in a supersonic gas-droplet flow: influence of evaporating droplets on the temperature of the adiabatic wall

A. I. Leont'ev, A. N. Osiptsov, O. D. Rybdylova

Institute of Mechanics, M. V. Lomonosov Moscow State University

Abstract: In the framework of the two-continuum model of a compressible gas-droplet boundary layer in a supersonic two-phase flow on a plane wall, the fields of phase parameters, droplet trajectories, and mass and energy fluxes of the dispersed phase on the streamlined surface are calculated. In the interphase momentum exchange, in addition to the aerodynamic drag force, the Saffman lift force resulting in droplet deposition on the solid wall is taken into account. The mass concentration of the dispersed phase is assumed to be small, and the wall temperature exceeds the temperature of droplet evaporation. The effect of evaporating droplets on the equilibrium temperature of a heat-insulated (adiabatic) wall is studied in a wide range of dimensionless governing parameters. It is shown that the presence of even a very low concentration of droplets can lead to a considerable decrease in the temperature of the adiabatic wall, which makes use of the evaporating condensed phase promising in different schemes of energy separation of gas flows.

DOI: https://doi.org/10.7868/S0040364415060162

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English version:
High Temperature, 2015, 53:6, 865–872

Bibliographic databases:

UDC: 532.529

Citation: A. I. Leont'ev, A. N. Osiptsov, O. D. Rybdylova, “The boundary layer on a flat plate in a supersonic gas-droplet flow: influence of evaporating droplets on the temperature of the adiabatic wall”, TVT, 53:6 (2015), 910–917; High Temperature, 53:6 (2015), 865–872

Citation in format AMSBIB
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Citing articles on Google Scholar: Russian citations, English citations
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This publication is cited in the following articles:
1. A. I. Leontiev, A. G. Zditovets, Yu. A. Vinogradov, M. M. Strongin, N. A. Kiselev, “Experimental investigation of the machine-free method of temperature separation of air flows based on the energy separation effect in a compressible boundary layer”, Exp. Therm. Fluid Sci., 88 (2017), 202–219
2. G. M. Azanov, A. N. Osiptsov, “The efficiency of one method of machineless gasdynamic temperature stratification in a gas flow”, Int. J. Heat Mass Transf., 106 (2017), 1125–1133
3. A. G. Zditovets, S. S. Popovich, N. A. Kiselev, Yu. A. Vinogradov, M. M. Strongin, “Measurement of the adiabatic wall temperature in a supersonic air-drop flow”, Conference of Young Scientists in Mechanics, Journal of Physics Conference Series, 1129, IOP Publishing Ltd, 2018, 012039
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