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

X Wang, Y Zhou, W Yao, Y Xia, 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 …

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 …

A thermal calculation model for tubular condensing heat exchanger

L Han, K Yang, J Yang, R Li, Y Li, L Deng… - Applied Thermal …, 2024 - Elsevier
The condensing heat exchanger is commonly applied in various heat exchange systems. It
can efficiently recover moisture and heat from the flue gas that contains water vapor …

Simplified method and numerical simulation analysis of pipe-group long-term heat transfer in deep-ground heat exchangers

C Li, C Jiang, Y Guan, K Chen, J Wu, J Xu, J Wang - Energy, 2024 - Elsevier
Deep-buried pipe-group heat transfer is a primary form of utilizing geothermal energy in the
middle and deep ground layers. This study introduces a methodology to simplify the heat …

Seasonal energy extraction and storage by deep coaxial borehole heat exchangers in a layered ground

C Matyska, E Zábranová - Renewable Energy, 2024 - Elsevier
Geothermal energy extraction and storage through boreholes have garnered significant
attention, particularly regarding deep coaxial borehole heat exchangers. They can be …

Multi-factor optimization of coaxial borehole heat exchanger based on Taguchi and matrix method

S Wang, P Wang, R Liang, J Zhang, K Zhang, J Liu… - Geothermics, 2025 - Elsevier
The medium-deep coaxial borehole heat exchanger (MDCBHE) utilizes mid-deep
geothermal energy for building heating via a heat transfer process. The heat extraction …

[HTML][HTML] How to Evaluate the Operating Performance of Mid-Deep Geothermal Heat Pump Systems (MD-GHPs): A Study on a Multistage Evaluation Index System

C Peng, J Deng, S Li, X Guo, Y Su, Y Wang, W Qiang… - Sustainability, 2024 - mdpi.com
Mid-deep geothermal heat pump systems (MD-GHPs) use mid-deep borehole heat
exchangers (MDBHEs) to extract heat from the geothermal energy at a depth of 2–3 km, and …

Influence of ground source heat exchanger operation modes on multi-borehole mid-deep ground source heat pump system performance

Z Wang, J Ding, M Yu, Y Mao, K Zhu, W Zhang, P Cui… - Geothermics, 2025 - Elsevier
The operation economy of mid-deep ground source heat pump (MGSHP) system is
significantly influenced by the operation mode of multi-borehole mid-deep borehole heat …

Thermal performance analysis of a deep coaxial borehole heat exchanger with a horizontal well based on a novel semi-analytical model

Y Wang, H Liu, Q Zhang, L Zhang - Renewable Energy, 2024 - Elsevier
This study introduces a novel semi-analytical model for deep coaxial borehole heat
exchanger with a horizontal well (H-DBHE), which incorporates the effects of formation …

Impact of synergistic heat storage model on medium and deep geothermal heat transfer systems

X Wang, P Zhao, X Li, H Wang, X Zhu, H Qin - Journal of Building …, 2024 - Elsevier
Thermal energy storage is a key measure to ensure the efficient and sustainable operation
of medium-deep geothermal heat exchange systems. To address the performance and …