A solar collector subsystem operating threshold is defined as the minimum solar insolation rate at which useful heat can be collected when collector loop piping heat losses and parasitic power requirements are considered. This paper discusses the quantitative effect of these energy flows on the operating threshold of the solar subsystem (and thus on the overall system efficiency), and briefly considers the effects of different installation and design procedures.
Issue Section:
Research Papers
Topics:
Solar energy,
Design,
Flow (Dynamics),
Heat,
Heat losses,
Pipes,
Solar collectors,
System efficiency
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Copyright © 1980
by ASME
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