A mathematical model of charging and discharging processes in a borehole soil heat exchanger for storing heat in a water-bearing stratrum is proposed. The model takes into account heat transfer owing to free convection of the formation fluid in a water-saturated porous medium and heat losses in the water-impermeable soil formation with reverse motion of the heat-transfer agent. The results of numerical calculations of the temperature distribution in the heat exchanger, performed by the integral balance method for some values of the parameters, are presented.
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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 58, No. 5, pp. 784–792, May, 1990.
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Lukin, V.M. Calculation of a borehole soil heat exchanger for storing heat in the water-bearing stratum taking into account free convection of the formation fluid. Journal of Engineering Physics 58, 603–611 (1990). https://doi.org/10.1007/BF00873176
- Heat Transfer
- Mathematical Model
- Statistical Physic
- Porous Medium