The influence of thermal interaction on energy harvesting efficiency of geothermal piles in a group

• Published in: Applied thermal engineering Vol. 200; p. 117673
• Main Authors: Tiwari, Arvind Kumar, Kumar, Arvind, Basu, Prasenjit
• Format: Journal Article
• Language: English
• Published: Oxford Elsevier Ltd 05.01.2022; Elsevier BV
• Subjects: Diameters; Energy harvesting; Finite element analysis; Finite element method; Geothermal pile; Ground heat exchangers; Heat conductivity; Heat exchange; Heat exchangers; Heat transfer; Mathematical models; Physics; Pile group; Soils; Thermal interaction; Three dimensional models; Tubes; Geothermal pile; Thermal interaction; Ground heat exchangers; Pile group; Heat transfer

•Multiphysics analyses quantify group thermal interaction for geothermal piles.•Proposed power reduction factor quantifies loss in energy harvesting efficiency.•Sustained thermal operation and small pile spacing reduce group power output.•Pile diameter and circulation tube orientation do not affect...