Optimal insulation backfill depth analysis of coaxial deep borehole heat exchanger based on multi-factor orthogonal experiments

Y Jia, Z Fang, Y Zhao, X Liu - Energy and Buildings, 2022 - Elsevier
Coaxial deep borehole heat exchanger (DBHE) coupled with ground source heat pump
(GSHP) system has been widely applied in building heating. Insulation backfill is essential …

Research on heat extraction performance of U-shaped underground heat exchanger based on longitudinal layering of rock and soil

LL BAO, X WANG, JQ LIU, HM GUO, JH LUO - Progress in Geophysics, 2022 - en.dzkx.org
In order to explore the influence of different influencing factors on the heat transfer
performance of the mid-deep U-shaped buried tube heat exchanger under different …

[HTML][HTML] 基于岩土纵向分层的中深层 U 型地埋管换热器取热性能研究

鲍玲玲, 王雪, 刘俊青, 郭海明, 罗景辉 - 地球物理学进展, 2022 - dzkx.org
为探讨不同地质结构分层下不同影响因素对中深层U 型地埋管换热器传热性能的影响,
建立了基于岩土纵向分层的中深层U 型地埋管换热器的数值传热模型, 利用MATLAB 软件 …