A review of advances and applications of geothermal energy extraction using a gravity-assisted heat pipe

T Gao, X Long, H Xie, L Sun, J Wang, C Li, M Gao… - Geothermics, 2024 - Elsevier
Enhanced geothermal system (EGS) provides a feasible way for extracting geothermal
energy from hot dry rock (HDR) reservoirs, whereas seismic risk it might induce and …

Model for economic evaluation of closed-loop geothermal systems based on net present value

D Xiao, M Liu, L Li, X Cai, S Qin, R Gao, J Liu… - Applied Thermal …, 2023 - Elsevier
Closed-loop geothermal systems (CGSs) represent an effective means of extracting low-
grade thermal energy from hot dry rock (HDR). Thus far, there has been much debate on …

Renewable energy resources technologies and life cycle assessment

MG Hemeida, AM Hemeida, T Senjyu, D Osheba - Energies, 2022 - mdpi.com
Moving towards RER has become imperative to achieve sustainable development goals
(SDG). Renewable energy resources (RER) are characterized by uncertainty whereas, most …

Evaluation of geothermal energy extraction in Enhanced Geothermal System (EGS) with multiple fracturing horizontal wells (MFHW)

F Gong, T Guo, W Sun, Z Li, B Yang, Y Chen, Z Qu - Renewable Energy, 2020 - Elsevier
The deep geothermal energy produced from Enhanced Geothermal System (EGS) has a
great development prospect because of enormous potential and environmental friendliness …

Prediction of two-phase flow patterns in upward inclined pipes via deep learning

Z Lin, X Liu, L Lao, H Liu - Energy, 2020 - Elsevier
The industrial process involving gas liquid flows is one of the most frequently encountered
phenomena in the energy sectors. However, traditional methods are practically unable to …

Optimal operation of geothermal-solar-wind renewables for community multi-energy supplies

D Xu, ZL Yuan, Z Bai, Z Wu, S Chen, M Zhou - Energy, 2022 - Elsevier
This paper proposes a geothermal-solar-wind renewable energy hub framework for
community multi-energy supplies. In this framework, multi-energy complementarities of …

[HTML][HTML] Investigating scalability of deep borehole heat exchangers: Numerical modelling of arrays with varied modes of operation

CS Brown, I Kolo, G Falcone, D Banks - Renewable Energy, 2023 - Elsevier
Abstract Deep Borehole Heat Exchangers (DBHEs) are a potentially important method of
developing geothermal resources through closed-loop systems for carbon neutral, spatial …

Heat extraction model and characteristics of coaxial deep borehole heat exchanger

J Li, W Xu, J Li, S Huang, Z Li, B Qiao, C Yang, D Sun… - Renewable Energy, 2021 - Elsevier
Middle and deep geothermal resources are abundant and have the advantages of being
clean, stable, and reliable. However, a widely recognised theoretical model of deep ground …

An enhanced super-long gravity heat pipe geothermal system: Conceptual design and numerical study

Z Li, W Huang, J Chen, J Cen, W Cao, F Li, F Jiang - Energy, 2023 - Elsevier
Recently, it was reported a novel method of deep geothermal energy exploitation by using
the super-long gravity heat pipe (SLGHP) in a single-well geothermal system. However, the …

Numerical investigation on the effects of geological parameters and layered subsurface on the thermal performance of medium-deep borehole heat exchanger

J Liu, F Wang, W Cai, Z Wang, C Li - Renewable energy, 2020 - Elsevier
Medium-deep borehole heat exchanger (MDBHE) has attracted considerable attention
because of its ability to acquire large quantities of geothermal energy. Geological conditions …