Energy-efficient and-economic technologies for air conditioning with vapor compression refrigeration: A comprehensive review

X She, L Cong, B Nie, G Leng, H Peng, Y Chen… - Applied energy, 2018 - Elsevier
Abstract Vapor Compression Refrigeration Systems (VCRS) are widely used to provide
cooling or freezing for domestic/office buildings, supermarkets, data centres, etc., which …

[HTML][HTML] Advances in ground heat exchangers for space heating and cooling: Review and perspectives

P Cui, W Yang, W Zhang, K Zhu, JD Spitler… - Energy and Built …, 2024 - Elsevier
As a renewable energy source, geothermal energy has been widely used to provide space
heating and cooling for buildings. The thermal performance of ground heat exchanger …

Outlet water temperature prediction of energy pile based on spatial-temporal feature extraction through CNN–LSTM hybrid model

W Zhang, H Zhou, X Bao, H Cui - Energy, 2023 - Elsevier
Energy pile is a novel ground heat exchanger for ground source heat pump (GSHP)
systems. Prediction of the energy pile outlet water temperature is essential for the efficient …

A review on energy piles design, evaluation, and optimization

Z Mohamad, F Fardoun, F Meftah - Journal of Cleaner Production, 2021 - Elsevier
Integrating heat exchanger pipes with structural foundations in one system has created a
new renewable solution for buildings' thermal loads. However, the interaction between …

Soil thermal imbalance of ground source heat pump systems with spiral-coil energy pile groups under seepage conditions and various influential factors

T You, X Li, S Cao, H Yang - Energy Conversion and Management, 2018 - Elsevier
The ground source heat pump systems with spiral-coil energy piles are promising for
building energy saving in high-density cities. However, when applied in heating-dominant …

Experimental study on thermal response of a PCM energy pile in unsaturated clay

X Bao, X Qi, H Cui, W Tang, X Chen - Renewable Energy, 2022 - Elsevier
Energy piles are a new renewable energy technology that is suitable for use as a heat
exchanger in ground source heat pump systems. In this study, hollow steel balls macro …

A critical review on the low carbon energy pile technologies based on the life-cycle perspective: Challenges and prospects

L Zhang, H Han, W Li, K Guo, M Yuan, Z Liu - Applied Thermal Engineering, 2024 - Elsevier
Energy piles, a technology integrating the heat exchange component within building pile
foundations for shallow geothermal energy utilization, have proven economically efficient …

Investigation on thermal performance of energy pile and borehole heat exchanger under intermittent field operating conditions

F He, C Wang, A Bouazza, G Kong, Z Sun - Energy and Buildings, 2024 - Elsevier
This paper examines the difference in heat exchange efficiency between an energy pile and
a borehole heat exchanger under intermittent operation conditions through a field …

Experimental study of carbon fiber reinforced alkali-activated slag composites with micro-encapsulated PCM for energy storage

H Cui, T Feng, H Yang, X Bao, W Tang, J Fu - Construction and Building …, 2018 - Elsevier
The use of cement composite with phase change materials (PCM) for thermal energy
storage in building is one of the effective means because PCM can be integrated into …

Underground solar energy storage via energy piles

Q Ma, P Wang - Applied energy, 2020 - Elsevier
Conventional piles embedded with geothermal loops, referred to as energy piles, have been
successfully used as heat exchangers for the ground source heat pump system. For heating …