Modelling of Heat Transfer in Ground Heat Exchangers

Barbara Larwa, Monika Gwadera, Tadeusz Komorowicz, Krzysztof Kupiec, Mikołaj Teper

Abstrakt


The results of the numerical simulation of heat conduction in ground with a horizontal, tubular (parallel pipes) heat exchanger installed are presented in this paper. On the basis of analysis of courses of temperature isolines in the ground, a simplified mathematical heat transfer model in a horizontal ground exchanger was developed. The ground thermal diffusivity was assumed to be a variable of location. On the basis of the model, the temperature profiles in the ground with a heat exchanger installed were determined.

Słowa kluczowe


ground heat exchangers, non-homogeneous ground thermal properties

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