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This paper discusses the error transfer from the slope of optical surface to the focus ray. It presents a general equation to calculate the standard deviation of the refractive ray error from that of slope error of the optical surface through geometric optics analysis, applying the equation to calculate the standard deviation of the focus ray error in 6 kinds of solar concentrator, and providing typical...
Surface slope error of concentrator is one of the main factors that influence the performance of the solar concentrated collectors which cause deviation of the reflected ray and reduce the intercepted radiation. This paper presents the general equations to calculate the standard deviation of the reflected ray error from that of slope error through geometry optics analysis, applying the equations to...
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