General formula for on-axis sun-tracking system and its application in improving tracking accuracy of solar collector

被引：158

作者：

Chong, K. K. ^{[1
]}

Wong, C. W. ^{[1
]}

机构：

[1] Univ Tunku Abdul Rahman, Fac Sci & Engn, Kuala Lumpur 53300, Malaysia

来源：

SOLAR ENERGY | 2009年 / 83卷 / 03期

关键词：

Sun-tracking; General formula; Solar collectors; Azimuth-elevation; Tilt-roll; CONCENTRATOR; DESIGN; VECTOR;

D O I：

10.1016/j.solener.2008.08.003

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：

Azimuth-elevation and tilt-roll tracking mechanism are among the most commonly used sun-tracking methods for aiming the solar collector towards the sun at all times. It has been many decades that each of these two sun-tracking methods has its own specific sun-tracking formula and they are not interrelated. In this paper, the most general form of sun-tracking formula that embraces all the possible on-axis tracking methods is presented. The general sun-tracking formula not only can provide a general mathematical solution, but more significantly it can improve the sun-tracking accuracy by tackling the installation error of the solar collector. (c) 2009 Published by Elsevier Ltd.

引用

页码：298 / 305

页数：8

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