High-flux solar concentration with imaging designs

被引：28

作者：

Feuerman, D

Gordon, JM

Ries, H

机构：

[1] Ben Gurion Univ Negev, Jacob Blaustein Inst Desert Res, Ctr Energy & Environm Phys, IL-84990 Sede Boqer, Israel

[2] Ben Gurion Univ Negev, Dept Mech Engn, Pearlstone Ctr Aeronaut Engn Studies, IL-84105 Beer Sheva, Israel

[3] Ries & Partners, D-80799 Munich, Germany

来源：

SOLAR ENERGY | 1999年 / 65卷 / 02期

关键词：

D O I：

10.1016/S0038-092X(98)00123-6

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：

Most large solar concentrators designed for high flux concentration;at high collection efficiency are based on imaging primary mirrors and nonimaging secondary concentrators. In this paper, we offer an alternative purely imaging two-stage solar concentrator that can attain high flux concentration at high collection efficiency. Possible practical virtues include: (1) an inherent large gap between absorber and secondary mirror; (2) a restricted angular range on the absorber; and (3) an upward-facing receiver where collected energy can be extracted via the (shaded) apex of the parabola. We use efficiency-concentration plots to characterize the solar concentrators considered, and to evaluate the potential improvements with secondary concentrators. (C) 1999 Elsevier Science Ltd. All rights reserved.

引用

页码：83 / 89

页数：7

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