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Heat extraction distributed thermal response test: A methodological approach and in-situ experiment
(International Ground Source Heat Pump Association, 2017)
The Thermal Response Test (TRT) is a worldwide adopted in-situ methodology able to estimate the ground thermal conductivity and borehole thermal resistance. During the test the carrier-fluid exchanges a constant heat flux ...
Comparison of the energy use for different heat transfer fluids in geothermal systems
(International Ground Source Heat Pump Association, 2017)
Geothermal systems that operate under 0°C must use antifreeze mixtures instead of water to avoid operational problems. This paper examines the energy consumption of the circulating pump and heat pump for various heat ...
Development of TPRT (Thermal Performance-Response Test) for borehole heat exchanger design
(International Ground Source Heat Pump Association, 2017)
To obtain the effective thermal conductivity and borehole thermal resistance required to design borehole heat exchangers (BHEs), thermal response tests (TRTs) are usually conducted. Although many advanced TRT methods have ...