The challenge of the ground heat Exchangers: A review of heat transfer efficiency

X Wang, Y Zhou, W Yao, Y **a, T Xu, H Yang… - Energy Conversion and …, 2024 - Elsevier
With its ability to accomplish heat transfer, the ground heat exchanger (GHE) is a crucial
component of a ground source heat pump system. Numerous research on various kinds of …

A comprehensive review of deep borehole heat exchangers (DBHEs): subsurface modelling studies and applications

I Kolo, CS Brown, W Nibbs, W Cai, G Falcone… - Geothermal …, 2024 - Springer
Deep borehole heat exchangers (DBHEs) with depths exceeding 500 m have been
researched comprehensively in the literature, focusing on both applications and subsurface …

Analysis of heat extraction performance and long-term sustainability for multiple deep borehole heat exchanger array: A project-based study

W Cai, F Wang, S Chen, C Chen, J Liu, J Deng… - Applied Energy, 2021 - Elsevier
In the context of reducing carbon emission, Deep Borehole Heat Exchanger (DBHE) array
has a large potential in extracting geothermal energy to provide building heating in densely …

[HTML][HTML] Comparison of the thermal and hydraulic performance of single U-tube, double U-tube and coaxial medium-to-deep borehole heat exchangers

CS Brown, I Kolo, D Banks, G Falcone - Geothermics, 2024 - Elsevier
Decarbonisation of heat is essential in curbing carbon dioxide emissions and can be
achieved through the use of geothermal systems. Recently, single-well, closed-loop, deep …

Assessment of the effect of heat storage on the production of clean geothermal energy using the medium and deep U-type borehole heat exchanger system

S Huang, J Li, Z Bai, J Dong - Journal of Cleaner Production, 2024 - Elsevier
Heat storage is a critical measure to realize the utilization of waste heat and to enhance the
heating capacity of the medium-deep U-type borehole heat exchanger (MDUBHE) system …

Numerical investigation on the performance, sustainability, and efficiency of the deep borehole heat exchanger system for building heating

C Chen, H Shao, D Naumov, Y Kong, K Tu, O Kolditz - Geothermal Energy, 2019 - Springer
In densely inhabited urban areas, deep borehole heat exchangers (DBHE) have been
proposed to be integrated with the heat pump in order to utilize geothermal energy for …

Comprehensive thermal performance analysis and optimization study on U-type deep borehole ground source heat pump systems based on a new analytical model

J Shen, C Zhou, Y Luo, Z Tian, S Zhang, J Fan, Z Ling - Energy, 2023 - Elsevier
U-type deep borehole heat exchangers (UDBHEs) can provide low-carbon heating for
buildings utilizing medium-deep geothermal energy. This study presents a new analytical …

Energy analysis and performance assessment of a hybrid deep borehole heat exchanger heating system with direct heating and coupled heat pump approaches

Z Wang, F Wang, J Liu, Y Li, M Wang, Y Luo… - Energy Conversion and …, 2023 - Elsevier
The deep borehole heat exchanger (DBHE) coupled ground source heat pump (GSHP)
system is widely developed in recent years to extract geothermal energy for building …

[HTML][HTML] Energy pile groups for thermal energy storage in unsaturated soils

F Behbehani, JS McCartney - Applied Thermal Engineering, 2022 - Elsevier
A coupled heat transfer and water flow model implemented in COMSOL and validated
against measurements from a tank scale test was applied to investigate the application of …

Influencing factors analysis and operation optimization for the long-term performance of medium-deep borehole heat exchanger coupled ground source heat pump …

J Liu, F Wang, Y Gao, Y Zhang, W Cai, M Wang… - Energy and …, 2020 - Elsevier
Application of the medium-deep borehole heat exchanger (MDBHE) coupled ground source
heat pump (GSHP) system on building heating has been gradually accepted by public and …