Studies of heat transfer and water migration in soils. Final report
- 1 April 1981
- report
- Published by Office of Scientific and Technical Information (OSTI)
Abstract
Simultaneous transfer of heat and water through partially saturated soils was described by both theoretical analyses and laboratory measurements. The theoretical efforts produced computer coded simulation models of coupled water and heat flux in soils and thermal conductivity as a function of water content, bulk density, mineralogical composition, and temperature. The laboratory data were used to calibrate and verify the simulation models. A prototype thermal storage reservoir using in-situ soil materials was constructed and evaluated. The feasibility of trans-seasonal heat storage was demonstrated. Efficient use of in-situ soil materials as a heat storage system requires that wet soil be used to store the heat while surrounding soils be as dry as possible. To accomplish this separation, various impermeable barriers were studied.Keywords
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