Enhancement of a Heat Pump's Efficiency Cop Operating on the Water-Soil Principle

Brbhan, Salman and Omle, Issa and Szamosi, Zoltán (2025) Enhancement of a Heat Pump's Efficiency Cop Operating on the Water-Soil Principle. POLLACK PERIODICA: AN INTERNATIONAL JOURNAL FOR ENGINEERING AND INFORMATION SCIENCES, 20 (2). pp. 73-78. ISSN 1788-1994

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Abstract

Geothermal energy is increasingly promising for residential use due to rising energy costs and environmental awareness. This work experimentally examines the impact of pipe distribution on the heat pump's performance at varying temperatures for both the incoming water and the ground. The pipes are buried in the soil, distributing them on layers of varying depths up to a depth of 2 m, separated by insulating layers. The quantities of heat gained in the evaporator and released in the condenser are calculated to determine the coefficient of performance of the heat pump. It was found that at the same temperature, the total heat loss in the soil is larger in the case of water entering from the bent pipe towards the great depth compared to water entering from the direct pipe, but the heat gain is larger in the case of water entering from the direct one.

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