Heating of a fully saturated Darcian half-space: Pressure generation, fluid expulsion, and phase change
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Abstract
Analytical solutions are developed for the pressurization, expansion, and flow of one- and two-phase liquids during heating of fully saturated and hydraulically open Darcian half-spaces subjected to a step rise in temperature at its surface. For silicate materials, advective transfer is commonly unimportant in the liquid region; this is not always the case in the vapor region. Volume change is commonly more important than heat of vaporization in determining the position of the liquid-vapor interface, assuring that the temperatures cannot be determined independently of pressures. Pressure increases reach a maximum near the leading edge of the thermal front and penetrate well into the isothermal region of the body. Mass flux is insensitive to the hydraulic properties of the half-space.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Heating of a fully saturated Darcian half-space: Pressure generation, fluid expulsion, and phase change |
| Series title | International Journal of Heat and Mass Transfer |
| DOI | 10.1016/0017-9310(84)90060-7 |
| Volume | 27 |
| Issue | 8 |
| Year Published | 1984 |
| Language | English |
| Publisher | Elsevier |
| Description | 9 p. |
| First page | 1327 |
| Last page | 1335 |
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