Theoretical analysis for an air heater with a box-type absorber

被引：32

作者：

Matrawy, KK ^{[1
]}

机构：

[1] Assiut Univ, Fac Engn, Dept Mech Engn, Assiut, Egypt

来源：

SOLAR ENERGY | 1998年 / 63卷 / 03期

关键词：

D O I：

10.1016/S0038-092X(98)00044-9

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 efficiency of the solar air collector can be enhanced by using metal vanes which are attached between the absorber and bottom plate of the collector. A mathematical model and solution procedure to study the effect of the metal vanes are presented. A method to select an optimal number of metal vanes, as well as an appropriate depth for the flowing air duct, has been developed. Moreover, a comparison between the performance of a collector having a box frame absorber and one having a finned plate absorber was carried out. The results show that a high efficiency can be achieved with the use of the metal vanes, particularly at smaller depths of the air duct. (C) 1998 Elsevier Science Ltd. All rights reserved.

引用

页码：191 / 198

页数：8

共 18 条

[1] A SLIT-AND-EXPANDED ALUMINUM-FOIL MATRIX SOLAR COLLECTOR [J].