Chapter 4

Performance of Solar Collectors

Abstract

Chapter 4 deals with the methods to determine experimentally the performance of solar collectors. It outlines the various tests required to determine the thermal efficiency of solar collectors. Initially collector thermal efficiency measurement is presented and the effect of flow rate, collectors connected in series, and the standard requirements of the test are analyzed. Subsequently, the methods to determine the collector incidence angle modifier for flat-plate and concentrating collectors are presented followed by the acceptance angle for concentrating collectors and the collector time constant. The dynamic test method is also presented followed by the efficiency parameter conversion and assessment ...

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