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Proceedings Paper

Simulation analysis of position error of parabolic trough concentrator mirror installation
Author(s): Guo-liang Tian; Bi-xi Yan; Mingli Dong; Jun Wang; Peng Sun
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Paper Abstract

The research showed the simulation of position error when assembling a reflective mirror of parabolic trough concentrator. The shape of a reflective mirror is like a parabolic cylinder model, relying on the back of the four-point mounted on a special setup, making it unable to move. Therefore, it is of great importance of the machining precision of special bracket. We need to analyze the influence of reflective mirror‘s intercept factor in order to guide the processing precision. It is assumed that each reflective mirror is rigid, we have calculated the intercept factor of reflector with mounting points’ random error of different standard deviation, comparing the simulating results with TRACEPRO. As a sequence, we can approve the feasibility of the algorithm, and give the effect of different random errors on the light-gathering efficiency. On the basis, we provide the machining accuracy of bracket. The simulation results show that when the mounting points’ standard deviation of position error is less than 0.5 mm, the intercept factor of receiver has reached upwards of 92% with 60 mm diameter for receiver, which can satisfy the design requirements.

Paper Details

Date Published: 6 March 2015
PDF: 6 pages
Proc. SPIE 9446, Ninth International Symposium on Precision Engineering Measurement and Instrumentation, 94462J (6 March 2015); doi: 10.1117/12.2181173
Show Author Affiliations
Guo-liang Tian, Beijing Information Science and Technology Univ. (China)
Bi-xi Yan, Beijing Information Science and Technology Univ. (China)
Mingli Dong, Beijing Information Science and Technology Univ. (China)
Jun Wang, Beijing Information Science and Technology Univ. (China)
Peng Sun, Beijing Information Science and Technology Univ. (China)


Published in SPIE Proceedings Vol. 9446:
Ninth International Symposium on Precision Engineering Measurement and Instrumentation
Junning Cui; Jiubin Tan; Xianfang Wen, Editor(s)

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