The potential of earth-air heat exchangers for low energy cooling of buildings in South Algeria

被引：49
|
作者：
Sehli, Abdelkrim [1 ]
Hasni, Abdelhafid [1 ]
Tamali, Mohammed [1 ]
机构：
[1] Bechar Univ, Energy Syst Lab Arid Zone, Bechar 08000, Algeria
来源：
TERRAGREEN 2012: CLEAN ENERGY SOLUTIONS FOR SUSTAINABLE ENVIRONMENT (CESSE) | 2012年 / 18卷
关键词：
Earth-to-air heat exchanger; numerical simulation; Turbulence k-epsilon model;
D O I：
10.1016/j.egypro.2012.05.061
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
A one-dimensional steady numerical model is proposed to estimate the performance of earth-to-air heat exchangers, installed at different depth, used for building cooling/heating. Two parameters are considered to evaluate the performance of the system (Reynolds number and the form factor). With appropriate simplifications; Numerical simulation treatment is proposed to predict the temperature fields of the fluids in the pipe and the soil in the proximity of the buried pipe, taking into account meteorological data of south Algeria. Moreover, the agreement with some experimental data available in the literature is very satisfactory. (C) 2012 Published by Elsevier Ltd. Selection and/or peer review under responsibility of The TerraGreen Society.
引用
收藏
页码：496 / 506
页数：11
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