Prediction of the monthly and annual performance of solar heating systems

Performance curves for predicting the long-term performance of solar heating systems are presented. The predictions, which are virtually interchangeable with a simulation, are based on the use of site-specific weather and radiation data. An integrated collector equation is derived and applied in an...

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Bibliographic Details
Published in:Solar energy 1978, Vol.20 (3), p.283-287
Main Author: Lunde, Peter J.
Format: Article
Language:English
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Summary:Performance curves for predicting the long-term performance of solar heating systems are presented. The predictions, which are virtually interchangeable with a simulation, are based on the use of site-specific weather and radiation data. An integrated collector equation is derived and applied in an analysis of a specific solar heating system. The performance curves show how the proportion of monthly load carried by solar energy with a finite storage capacity changes as a function of two base temperature-related parameters, one of which is a measure of the radiation received on a unit of collector area, and the other of which is related to the losses from that same unit of collector area at base conditions. The accuracy of the performance curves and the 10-year accuracy are discussed.
ISSN:0038-092X
1471-1257
DOI:10.1016/0038-092X(78)90107-X