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Percolation models for boiling and bubble growth in porous media [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy, 1991.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
Pages: (33 pages) : digital, PDF file
Additional Creators
University of Southern California, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
We analyze the liquid-to-vapor phase change in single-component fluids in porous media at low superheats. Conditions typical to steam injection in porous media are taken. We examine nucleation, phase equilibria and their stability, and the growth of vapor bubbles. Effects of pore structure are emphasized. It is shown that at low supersaturations, bubble growth can be described as a percolation process. In the absence of spatial gradients, macroscopic flow properties are calculated in terms of nucleation parameters. A modification of gradient percolation is also proposed in the case of spatial temperature gradients, when solid conduction predominates. 22 refs., 10 figs., 1 tab.
Report Numbers
E 1.99:doe/bc/14600-9
doe/bc/14600-9
Subject(s)
Other Subject(s)
Note
Published through SciTech Connect.
05/01/1991.
"doe/bc/14600-9"
"DE91002241"
Yortsos, Y.C.
Funding Information
FG22-90BC14600
View MARC record | catkey: 14705155