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research-article

Condensation of a quiescent vapor by a stagnation-point liquid flow

[+] Author and Article Information
R. Balasubramaniam

National Center for Space Exploration Research, Case Western Reserve University / NASA Glenn Research Center, Mail-Stop 110-3, Cleveland, OH 44135
ramaswamy.balasubramaniam-1@nasa.gov

Enrique Rame

Universities Space Research Association, c/o NASA Glenn Research Center, Mail-Stop 110-3, Cleveland, OH 44135
enrique.rame-1@nasa.gov

1Corresponding author.

ASME doi:10.1115/1.4038520 History: Received May 31, 2017; Revised September 14, 2017

Abstract

We analyze the condensation of a quiescent vapor, that is in equilibrium with its liquid, induced by a stagnation point flow in the liquid. The liquid flow brings subcooled liquid from far away to the interface. The ensuing heat transfer causes the vapor to condense. A similarity formulation for the liquid and vapor flow fields and the liquid temperature field is pursued, and a perturbation solution is performed when the ratio of the product of viscosity and density of the vapor to that of the liquid is small. A two-term higher order asymptotic solution is shown to be in excellent agreement with numerical results. The reduction in the rate of condensation due to the presence of a non-condensable gas in the vapor that is insoluble in the liquid is also analyzed.

Copyright (c) 2017 by ASME
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