Thermal use of the underground - Thermal response test (TRT)
German title
Thermische Nutzung des Untergrunds - Thermal-Response-Test (TRT)
Publication date
2020-07
Original language
German,
English
Pages
64
Publication date
2020-07
Original language
German,
English
Pages
64
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Short description
The standard describes a measurement method for the determination of thermal properties of the underground and the heat transfer characteristics of the ground heat exchanger. These parameters are necessary for the design of a heat source system. The thermal response test (TRT) is such a measurement method and allows a site survey in which following parameters can be determined: the effective thermal conductivity of the rock over the entire length of a borehole heat exchanger and the borehole resistance, the thermal resistance from the fluid to the rock for the used borehole heat exchanger.