Thermal Response Test

Thermal Response Test from Geowarmth Heat Pumps Ltd

By: Geowarmth Heat Pumps Ltd  18/01/2010
Keywords: heating systems, ground source heat pumps

 A thermal response test measures the thermal conductivity of the ground.  They are often undertaken prior to installing a closed loop ground source heat pump system using vertical boreholes. In order to accurately predict the capacity of the ground to deliver and or store the required amount of heat or cooling energy to match the needs of a building over a long life cycle it is advisable to undertake a Thermal Response Test in a borehole to assess the ground conditions and measure the reaction of flows through ground loops inserted in the bore hole.  This is done as a continuous process over a period of around 3-4 days using Geowarmth’s purpose built Thermal Response Test rig.  Data is collected on site by our technicians and then analysed and reported on by our thermogeologist to arrive at the average thermal conductivity for the bore hole. Thermal conductivity is arrived at by applying heat to water circulating in the closed loop pipework. Together with the thermal response test, Geowarmth are able to provide the complete borefield design service.

Keywords: ground source heat pumps, heating systems

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