Review of analytical models for heat transfer by vertical ground heat exchangers (GHEs): A perspective of time and space scales

M Li, ACK Lai - Applied Energy, 2015 - Elsevier
Ground (or geothermal) heat exchangers are attracting a great deal of attention as a way of
using shallow geothermal energy. This paper provides not only a critical review but also a …

Characterisation of ground thermal and thermo-mechanical behaviour for shallow geothermal energy applications

A Vieira, M Alberdi-Pagola, P Christodoulides, S Javed… - Energies, 2017 - mdpi.com
Increasing use of the ground as a thermal reservoir is expected in the near future. Shallow
geothermal energy (SGE) systems have proved to be sustainable alternative solutions for …

Actively heated fiber optics based thermal response test: A field demonstration

B Zhang, K Gu, B Shi, C Liu, P Bayer, G Wei… - … and Sustainable Energy …, 2020 - Elsevier
Accurate estimation of thermal ground properties is needed to optimally apply shallow
geothermal energy technologies, which are of growing importance for the heating and …

Thermal response tests for the identification of soil thermal parameters: A review

X Zhang, Z Han, Q Ji, H Zhang, X Li - Renewable Energy, 2021 - Elsevier
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 …

Field demonstration of a first thermal response test with a low power source

J Raymond, L Lamarche, M Malo - Applied Energy, 2015 - Elsevier
Thermal response tests conducted to assess the subsurface thermal conductivity for the
design of ground-coupled heat pump systems require a power source of about 7–12 kW to …

Distributed thermal response tests using a heating cable and fiber optic temperature sensing

MI Vélez Márquez, J Raymond, D Blessent, M Philippe… - Energies, 2018 - mdpi.com
Thermal response tests are used to assess the subsurface thermal conductivity to design
ground-coupled heat pump systems. Conventional tests are cumbersome and require a …

Colloquium 2016: Assessment of subsurface thermal conductivity for geothermal applications

J Raymond - Canadian Geotechnical Journal, 2018 - cdnsciencepub.com
The construction of “green” buildings using geothermal energy requires knowledge of the
ground thermal conductivity, assessed when designing the heating and cooling system of …

Vertical distribution of shallow ground thermal properties in different geological settings in Croatia

V Soldo, L Boban, S Borović - Renewable energy, 2016 - Elsevier
Heat pumps combined with vertical borehole heat exchangers utilize the ground as a heat
source or sink for the purpose of heating or cooling. The proper dimensioning of the …

Temperature measurements along a vertical borehole heat exchanger: A method comparison

N Aranzabal, J Martos, H Steger, P Blum, J Soret - Renewable Energy, 2019 - Elsevier
The standard thermal response tests (TRT) provide integral and effective thermal
parameters of the ground in the vicinity of borehole heat exchangers (BHE). However …

Novel instruments and methods to estimate depth-specific thermal properties in borehole heat exchangers

N Aranzabal, J Martos, M Stokuca, WM Pallard… - Geothermics, 2020 - Elsevier
Standard thermal response tests (TRT) are typically carried out to evaluate subsurface
thermal parameters for the design and performance evaluation of borehole heat exchangers …