RATED MW FROM A HELIOSTAT FIELD ON CYLINDRICAL EXTERNAL RECEIVER

O. M. Al-Rabghi, M. Elsayed, K. A. Fathalah
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引用次数: 1

Abstract

Some of the reflected beam radiation from a heliostat field bypasses the receiver surface. The spillage factor which is a measure of how much of reflected beam radiation actually intercepted by the receiver surface, is calculated and plotted for easy access. The variation of ihe spillage factor with tower height, external cylindrical receiver size, dimensionless radial distance from the tower is computed and plotted. The value of the rated MW energy absorbed by an external cylindrical receiver, is investigated, and its relations to the tower height, the site location and the field radius are given. The effect of changing the radial spacing on the rated MW and the total number of heliostats in the field is also computed and depicted. The developed set of charts for the spillage factor are believed to be very useful for solar central receiver system design.
额定毫瓦从一个定日镜场在圆柱形外部接收器
定日镜场反射的一些光束辐射绕过接收器表面。为了便于获取,计算并绘制了泄漏系数,该系数是衡量接收器表面实际截获的反射光束辐射的多少。计算并绘制了泄漏系数随塔高、外圆柱形接收器尺寸、与塔的无因次径向距离的变化规律。研究了外圆柱形接收机吸收的额定毫瓦能量值,并给出了其与塔高、场地位置和场半径的关系。计算并描述了改变径向间距对定日镜额定毫瓦和总定日镜数量的影响。本文所建立的泄漏系数图对太阳能中央接收系统的设计具有重要的指导意义。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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