NUMERICAL INVESTIGATION OF GROUND-COUPLED VERTICAL BOREHOLE HEAT EXCHANGERS WITH GROUNDWATER ADVECTION

被引：4

作者：

Piller, Marzio ^{[1
]}

Scorpo, Alberto Liuzzo ^{[1
]}

机构：

[1] Univ Trieste, Dipartimento Ingn Civile & Architettura, I-34127 Trieste, Italy

来源：

HEAT TRANSFER RESEARCH | 2012年 / 43卷 / 04期

关键词：

vertical borehole heat exchanger; groundwater advection; numerical simulation;

D O I：

10.1615/HeatTransRes.2012004565

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Groundwater advection is commonly neglected in the design of ground-coupled vertical borehole heat exchangers. In this work, the efficiency of heat transfer from a vertical borehole with groundwater advection is investigated by numerical simulations. The actual borehole geometry is accounted for, resulting in a perturbed flow field. The present results are compared with the analytical solution for the transient, two-dimensional heat convection around a line heat source derived by Dino et al. (2004). A wide range of viable Peclet numbers is considered.

引用

页码：343 / 362

页数：20

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