Exergy analysis of Unglazed Transpired Solar Collectors (UTCs)

被引：14

作者：

Golneshan, A. A. ^{[1
]}

Nemati, H. ^{[2
]}

机构：

[1] Shiraz Univ, Sch Mech Engn, Shiraz, Iran

[2] Islamic Azad Univ, Marvdasht Branch, Dept Mech, Marvdasht, Iran

来源：

SOLAR ENERGY | 2014年 / 107卷

关键词：

UTC; Exergy; Optimum temperature; Effectiveness;

D O I：

10.1016/j.solener.2014.04.025

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：

The Unglazed Transpired Solar Collector (UTC) is a suitable device for preheating outside air directly. They are used mostly in preheating ventilation air as well as in heating air for crop drying. The thermal performance of UTC promises its popular usage in near future. A number of large scale installations have been used all over the world since 1990s. In this study, first, the exergy efficiency of UTC is derived. Based on this efficiency, optimization was performed on 200 different cases and finally, a simple but useful correlation was proposed to predict the optimum working temperature. After finding the optimum working temperature, an economic analysis may be performed to determine the most effective and least expensive geometry. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：272 / 277

页数：6

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