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Evaporation front propagation over a non-isothermal surface

Evaporation front propagation over a non-isothermal surface The experiments are performed on R21 freon at a reduced pressure of 0.04 under conditions of natural convection. The propagation velocity of a self-sustaining evaporation front over a heat transfer surface is measured in the presence of a substantial temperature gradient along the heat transfer surface. The stabilization of the front propagation velocity is shown in accordance with the isotherm propagation velocity. The experiments show that when the evaporation front propagates over a heat-transfer surface with a significant temperature gradient, the stabilization of the front velocity occurs on a scale of the order of the capillary constant. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Thermophysics and Aeromechanics Springer Journals

Evaporation front propagation over a non-isothermal surface

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Publisher
Springer Journals
Copyright
Copyright © V.E. Zhukov and E.Yu. Slesareva 2020
ISSN
0869-8643
eISSN
1531-8699
DOI
10.1134/S0869864320060098
Publisher site
See Article on Publisher Site

Abstract

The experiments are performed on R21 freon at a reduced pressure of 0.04 under conditions of natural convection. The propagation velocity of a self-sustaining evaporation front over a heat transfer surface is measured in the presence of a substantial temperature gradient along the heat transfer surface. The stabilization of the front propagation velocity is shown in accordance with the isotherm propagation velocity. The experiments show that when the evaporation front propagates over a heat-transfer surface with a significant temperature gradient, the stabilization of the front velocity occurs on a scale of the order of the capillary constant.

Journal

Thermophysics and AeromechanicsSpringer Journals

Published: Mar 5, 2021

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