Thermal response testing for ground source heat pump systems—An historical review

JD Spitler, SEA Gehlin - Renewable and Sustainable Energy Reviews, 2015 - Elsevier
When designing ground heat exchangers used with ground source heat pump systems, a
critical design property is the thermal conductivity of the ground. Thermal response tests are …

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 …

Estimation of groundwater flow rate by an actively heated fiber optics based thermal response test in a grouted borehole

B Zhang, K Gu, P Bayer, H Qi, B Shi… - Water Resources …, 2023 - Wiley Online Library
The thermal response test (TRT) in an aquifer establishes a relationship between the
groundwater flow rate and the recorded temperature response curve of temporal ground …

Bayesian inference for thermal response test parameter estimation and uncertainty assessment

W Choi, H Kikumoto, R Choudhary, R Ooka - Applied Energy, 2018 - Elsevier
The effective ground thermal conductivity and borehole thermal resistance constitute
information needed to design a ground-source heat pump (GSHP). In situ thermal response …

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 …

[HTML][HTML] Evaluating tidal impact on ground source heat exchanger performance under fluctuating groundwater levels

H Fujii, SM Bina, N Sato, T Ishihara - Geothermics, 2024 - Elsevier
Coastal regions undergo dynamic changes due to tidal forces, posing distinct challenges for
groundwater management and utilization of ground source heat pump (GSHP) systems. This …

Numerical investigations of enhanced shallow geothermal energy recovery using microencapsulated phase change materials and metal fins

Y Lu, DD Cortes, X Yu, G Narsilio, S Dai - Acta Geotechnica, 2023 - Springer
The efficiency of shallow geothermal energy recovery has been constrained by both the
short-term temperature anomaly around heat exchangers and the long-term ground heat …

Thermal and hydrogeological aquifers characterization by coupling depth-resolved thermal response test with moving line source analysis

M Antelmi, L Alberti, A Angelotti, S Curnis, A Zille… - Energy Conversion and …, 2020 - Elsevier
In this paper for the first time the Moving Line Source (MLS) model is combined with a depth-
resolved Thermal Response Test (TRT). The latter was performed in a heterogeneous and …

A novel oscillatory thermal response test method for efficient characterization of ground thermal properties: Methodology and data analysis

AA Serageldin, K Nagano - Renewable Energy, 2024 - Elsevier
This study presents a novel thermal response testing (TRT) approach to minimize test
duration, labor, and associated costs. The proposed method, Oscillatory Thermal Response …

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 …