A critical review on the current knowledge of geothermal energy piles to sustainably climatize buildings

RP Cunha, PJ Bourne-Webb - Renewable and Sustainable Energy …, 2022 - Elsevier
Greenhouse gas emissions produced by fossil fuels are causing a slow change of the
climate's conditions. Air conditioning systems in engineering superstructures demand a …

Performance of ground heat exchangers: A comprehensive review of recent advances

H Javadi, SSM Ajarostaghi, MA Rosen, M Pourfallah - Energy, 2019 - Elsevier
The importance of investigating and addressing climate change, through the use of
renewable energy, is substantially increasing. Shallow geothermal energy is usually a …

Review of analytical models for heat transfer by vertical ground heat exchangers (GHEs): A perspective of time and space scales

M Li, ACK Lai - Applied Energy, 2015 - Elsevier
Ground (or geothermal) heat exchangers are attracting a great deal of attention as a way of
using shallow geothermal energy. This paper provides not only a critical review but also a …

A review on the performance of geothermal energy pile foundation, its design process and applications

AK Sani, RM Singh, T Amis, I Cavarretta - Renewable and Sustainable …, 2019 - Elsevier
Geothermal energy piles (GEPs) are an environmentally friendly energy source which utilise
the low-grade heat energy present in the shallow earth surface to provide heating and/or …

[HTML][HTML] Current status of heat pumps in Norway and analysis of their performance and payback time

H Sadeghi, A Ijaz, RM Singh - Sustainable energy technologies and …, 2022 - Elsevier
A significant part of energy in Norway is utilized for space heating due to the cold climate
and heat pump technology has gained popularity in the country for space heating. According …

Thermal conductivity of soils and rocks from the Melbourne (Australia) region

D Barry-Macaulay, A Bouazza, RM Singh, B Wang… - Engineering …, 2013 - Elsevier
The thermal conductivity of soils and rocks is an important property for the design of
thermally active ground structures such as geothermal energy foundations and borehole …

Centrifuge modelling of heating effects on energy pile performance in saturated sand

CWW Ng, C Shi, A Gunawan, L Laloui… - Canadian Geotechnical …, 2015 - cdnsciencepub.com
The operation of energy piles in summer can expel excess heat of the buildings into the
ground by the use of a heat pump. Despite having been implemented for decades, the …

New temperature response functions (G functions) for pile and borehole ground heat exchangers based on composite-medium line-source theory

M Li, ACK Lai - Energy, 2012 - Elsevier
This paper presents a new approach to modeling of heat transfer by ground heat
exchangers, involving unsteady heat conduction in composite media together with complex …

Influence of backfilling phase change material on thermal performance of precast high-strength concrete energy pile

Z Cao, G Zhang, Y Liu, X Zhao, C Li - Renewable Energy, 2022 - Elsevier
The use of phase change materials (PCMs) within the precast high-strength concrete (PHC)
energy pile is relatively rare. A study concerning the thermal performance of the PHC energy …

Centrifuge modelling of energy piles subjected to heating and cooling cycles in clay

CWW Ng, C Shi, A Gunawan, L Laloui - Geotechnique letters, 2014 - icevirtuallibrary.com
Energy pile foundations can discharge heat into the ground in summer and extract heat from
the ground in winter. The cyclic temperature change in piles may induce serviceability …