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Numerical evaluation of thermal response tests
Geothermics, 2007Abstract Thermal conductivity is a key parameter in the design of borehole heat exchangers. Thermal response tests are becoming increasingly more popular for measuring in situ thermal conductivity but no theoretical investigations have been done so far that account for three-dimensional effects.
Thomas Kohl
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Stratified thermal response test measurement and analysis
Energy and Buildings, 2020Abstract An improved thermal response test method called the stratified thermal response test (STRT) was proposed and a corresponding system was developed in this study. The difference between the STRT and other methods is that the temperature was measured by sensors placed inside the borehole heat exchangers (BHEs) at different depths to obtain the ...
Peng Zhao +4 more
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Numerical sensitivity study of thermal response tests
Renewable Energy, 2012Abstract Thermal conductivity and thermal borehole resistance are basic parameters for the technical and sustainable design of closed ground source heat pump (GSHP) systems. One of the most common methods to determine these parameters is the thermal response test (TRT).
Peter Bayer, Philipp Blum
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Error analysis of thermal response tests
Applied Energy, 2013Abstract The ground thermal conductivity and borehole thermal resistance are essential parameters for the design of a ground source heat pump system. As it is hardly possible to obtain sufficiently accurate values of these parameters from geological or soil-profile information, thermal response tests have been developed that provide measurements in ...
exaly +2 more sources
Thermal response tests for the identification of soil thermal parameters: A review
Renewable Energy, 2021Abstract Ground source heat pump systems (GSHPs) for soil heat utilization have been widely concerned in the world due to their energy saving, high efficiency, and no pollutant emission. The thermal parameters of the local soil must be known first when designing GSHPs, and the in-situ thermal response test (TRT) is currently the conventional method ...
Xueping Zhang +4 more
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Analysis of the Thermal Environment and Thermal Response Associated with Thermal-Acoustic Testing
31st Structures, Structural Dynamics and Materials Conference, 1990A method is developed for predicting the radiant heat flux distribution produced by a bank of quartz radiant heaters which accounts for the specular and diffuse effects of a flat reflector or the diffuse effects of individual parabolic reflectors. This analysis is experimentally verified for a single unreflected lamp and a single lamp with a flat ...
T. TURNER, R. ASH
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A Review of Thermal Response Test Analysis Using Pumping Test Concepts
Groundwater, 2011The design of ground‐coupled heat pump systems requires knowledge of the thermal properties of the subsurface and boreholes. These properties can be measured with in situ thermal response tests (TRT), where a heat transfer fluid flowing in a ground heat exchanger is heated with an electric element and the resulting temperature perturbation is monitored.
Raymond, Jasmin +3 more
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