✦ LIBER ✦

An axisymmetric model for the charging of a liquid-dominated geothermal reservoir

✍ Scribed by J. Troncoso; D.R. Kassoy

Publisher: Elsevier Science
Year: 1983
Tongue: English
Weight: 952 KB
Volume: 26
Category: Article
ISSN: 0017-9310
DOI: 10.1016/s0017-9310(83)80070-2

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✦ Synopsis

Heat and mass transfer processes occurring in a model of an axisymmetric liquid-dominated geothermal reservoir are described. The system is composed of a vertical cylindrical region offractured rock surrounded by a much larger annular aquifer. Hot liquid water, convected into and up the central cylindrical zone is forced into the neighbouring aquifer. Heat is lost to the cold surface as the liquid flows horizontally (radially) in the aquifer. A combination of boundary layer techniques and numerical methods are used to obtain solutions for velocity, temperature and pressure distributions in the system and for the heat flux emanating from the surface of the cap rock. The deep portion of the axisymmetric aquifer is found to be cooled faster than the equivalent part of a planar model. l"O;\IEl"CLATURE 1. Il"TRODUCfION

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