Abstract
Modeling of Joint Operation of a Ground Soil Heat Exchanger and a Thermal Pump Evaporator
Highlights
At present, the issue of using alternative sources of heat supply, one of which includes geothermal heat pumps, is relevant
The objective of the study was to develop an integrated mathematical model that takes into account the joint operation of the ground heat exchanger and the internal circuit of the thermal pump
When operating geothermal heat pumps on a long-term basis, the situations may occur where the soil temperature near the soil heat exchanger decreases during the heating season and in the summer period the soil does not have time to warm up to the initial temperature, i.e. there is a general decrease in the soil temperature potential
Summary
The issue of using alternative sources of heat supply, one of which includes geothermal heat pumps, is relevant. The main element of the heat supply system of a geothermal heat pump is the heat-exchange apparatus that transmits the low-potential heat from the soil to heat consumers. An important element of such a system is a circuit including a soil heat exchanger and a thermal pump evaporator. The heat withdrawn from the soil is transferred to a heat transfer agent of the soil heat exchanger and to a refrigerant in the evaporator. The objective of the study was to develop an integrated mathematical model that takes into account the joint operation of the ground heat exchanger and the internal circuit of the thermal pump
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