Optical efficiency analysis of cylindrical cavity receiver with bottom surface convex

被引：71

作者：

Wang, Fuqiang ^{[1
]}

Lin, Riyi ^{[1
]}

Liu, Bin ^{[2
]}

Tan, Heping ^{[2
]}

Shuai, Yong ^{[2
]}

机构：

[1] China Univ Petr Huadong, Coll Pipeline & Civil Engn, Qingdao 266580, Peoples R China

[2] Harbin Inst Technol, Sch Energy Sci & Engn, Harbin 150001, Peoples R China

来源：

SOLAR ENERGY | 2013年 / 90卷

基金：

中国国家自然科学基金;

关键词：

Cavity receiver; Optical efficiency; Heat flux distribution; Irradiative heat transfer; Monte Carlo; SOLAR; PERFORMANCE; RADIATION; DISH;

D O I：

10.1016/j.solener.2013.01.017

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 bottom surface of conventional cavity receiver cannot be fully covered by coiled metal tube during fabrication, which would induce a dead space of solar energy absorption. The dead space of solar energy absorption can severely decrease the optical efficiency of cavity receiver. Two new types of cavity receiver with bottom surface convex are put forward with the objective to solve the problem of dead space of solar energy absorption and improve the optical efficiency of cavity receiver. The optical efficiency and heat flux distribution of the two new types of cavity receiver are analyzed by Monte Carlo ray tracing method. Besides, the optical efficiency comparisons between conventional cavity receiver and the two new types of cavity receiver are conducted at different characteristic parameter conditions. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：195 / 204

页数：10

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