NDLI: The effect of fine evaporating droplets on the adiabatic-wall temperature in a compressible two-phase boundary layer

Content Provider	Springer Nature Link
Author	Azav, G. M. Osiptsov, A. N.
Copyright Year	2016
Abstract	A steady-state supersonic flow of a viscous heat-conducting gas with an admixture of small droplets over a flat plate is considered. The plate surface is assumed to be thermally insulated, and its equilibrium temperature is greater than the evaporation point of the droplets. In contrast to previous publications, the case of low-inertia droplets, which do not deposit onto the wall and have time to evaporate in the boundary layer, is considered. Within the two-fluid approximation for the laminar gasdroplet boundary layer with a compressible carrier phase, a parametric numerical study of the effect of evaporating droplets on the boundary layer structure and the temperature of the adiabatic wall is performed. The similarity parameters are found and the range of these parameters is determined, in which the adiabatic-wall temperature is reduced substantially due to the droplet evaporation even for very low initial concentrations of the liquid phase. This makes promising the use of the condensed phase in the schemes of gasdynamic energy separation based on heat transfer between the flows in subsonic and supersonic boundary layers.
Starting Page	498
Ending Page	506
Page Count	9
File Format	PDF
ISSN	00154628
Journal	Fluid Dynamics
Volume Number	51
Issue Number	4
e-ISSN	15738507
Language	English
Publisher	Pleiades Publishing
Publisher Date	2016-08-24
Publisher Place	Moscow
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	droplets boundary layer thermally insulated wall evaporation equilibrium temperature Fluid- and Aerodynamics Classical Continuum Physics Mechanics Engineering Fluid Dynamics
Content Type	Text
Resource Type	Article
Subject	Fluid Flow and Transfer Processes Physics and Astronomy Mechanical Engineering

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