A one-dimensional problem of the injection of water into a geothermal reservoir saturated with a superheated vapor in the presence of capillary forces has been investigated in an isothermal approximation. It is shown that in wettable rocks the capillary forces increase the velocity of motion of the front and decrease it in unwettable ones. If the capillary forces play a decisive role, then in wettable rocks an extended region of phase transitions is formed behind the evaporation front under the action of capillary forces.
Influence of capillary forces on the regime of water evaporation in high temperature rocks
C Calore
2008
Abstract
A one-dimensional problem of the injection of water into a geothermal reservoir saturated with a superheated vapor in the presence of capillary forces has been investigated in an isothermal approximation. It is shown that in wettable rocks the capillary forces increase the velocity of motion of the front and decrease it in unwettable ones. If the capillary forces play a decisive role, then in wettable rocks an extended region of phase transitions is formed behind the evaporation front under the action of capillary forces.File in questo prodotto:
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