groundwater velocity with varying thermal dispersivity values, however, has a significant influence on the thermal borehole …Thermal conductivity and thermal borehole resistance are basic parameters for the technical and sustainable design of … the borehole heat exchanger (BHE) and all transport effects are combined in the parameters of effective thermal …

gradient in and around the borehole is achieved. This causes convective flow in the groundwater due to density differences. In … groundwater filled BHE the convective heat flow influences the heat transport in the borehole system. The size of the influence …During a thermal response test (TRT) or during operation of a borehole heat exchanger (BHE) system, a temperature …

In the present study, a thermoelectric mini cooler coupling with a micro thermosiphon cooling system has been proposed …

using a two-phase thermosiphon. Unlike conventional air-source heat pumps, defrosting is carried out without stopping the …

a buoyancy-driven convective current – a thermosiphon – that reduces or eliminates pumping requirements. We estimated … and compared the strength of this thermosiphon for CO2 and for 20 weight percent NaCl brine for reservoir depths up to 5 … approximately 3–12 times less than brine at the same mass flowrate, making the CO2 thermosiphon sufficient to produce power using …