Determination of the Selected Wells Operational Power with Borehole Heat Exchangers Operating in Real Conditions, Based on Experimental Tests
Copyright policy )Determination of the Selected Wells Operational Power with Borehole Heat Exchangers Operating in Real Conditions, Based on Experimental Tests
On the basis of experimental studies, the operational power of four borehole heat exchangers (BHE) under real conditions was determined. The research was carried out in 2018–2019. The theoretical power of the BHE was verified with its operating power. The amount of thermal energy absorbed from the ground by individual BHEs, the operating temperatures obtained at the inlet and outlet of the exchanger, the annual brine flow rate, and the average operating power of the tested wells in two heating seasons were compared and analyzed. Both in 2018 and 2019, none of the examined exchangers achieved an average unit capacity of a well. The aim of the work is to verify the specific ground thermal efficiency indicators adopted for the design of the lower heat source, determined using the computational method and the TRT test with data obtained on the basis of experimental tests. The differences between the results of the tests of the operating parameters of the analyzed BHEs were shown. The data obtained in real conditions is valuable in the research and development of the BHE system.
- Politechnika Białostocka Poland
- Bialystok University of Technology Poland
- Bialystok University of Technology Poland
ground thermal conductivity; heat power of borehole; thermal performance; extracted energy; borehole heat exchanger; BHE; ground-source heat pump, extracted energy, Technology, ground thermal conductivity, borehole heat exchanger, T, heat power of borehole, BHE, thermal performance
ground thermal conductivity; heat power of borehole; thermal performance; extracted energy; borehole heat exchanger; BHE; ground-source heat pump, extracted energy, Technology, ground thermal conductivity, borehole heat exchanger, T, heat power of borehole, BHE, thermal performance
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