Design of a solar concentrator combining paraboloidal and hyperbolic mirrors using ray tracing method

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题名:	Design of a solar concentrator combining paraboloidal and hyperbolic mirrors using ray tracing method
作者:	Chen,CF;Lin,CH;Jan,HT;Yang,YL
贡献者:	機械工程研究所
关键词:	IMAGING DESIGNS;DISHES;CELLS
日期:	2009
上传时间:	2010-06-29 18:01:35 (UTC+8)
出版者:	中央大學
摘要:	A solar concentrator combining primary paraboloidal and secondary hyperboloidal mirrors is numerically designed by using the ray tracing method to obtain higher concentration ratio when the concentrator tracing error exists. It is found that, when the concentrator tracing errors are 0.5 degrees or 1 degrees, the concentration ratios are about 2027 or 1220 without the detector in the radial-direction, and the concentration ratios are about 5447 or 4701 with the detector in the radial-direction. It is shown that such method can increase the concentration solar flux by two folds when the concentrator tracing error exists. Obviously, it is an effective method to reduce the effect of concentrator tracing error even when the angle of concentrator tracing error is considered. In addition. when the angle of concentrator tracing error is small than 1 1, a set of mirror shapes is suggested where the primary mirror has a f-number of 0.22 and the secondary mirror has a numerical aperture (NA) of 0.61. (C) 2008 Elsevier B.V. All rights reserved.
關聯:	OPTICS COMMUNICATIONS
显示于类别:	[機械工程研究所] 期刊論文

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