Title: Operating performance evaluation of solar heating and cooling systems
Abstract: Starting with the equations for solar collector performance, an equation for collectible solar radiation is presented. Taking into account small efficiency reductions due to series installation of solar collectors and the corresponding interconnection heat loss, equations common to both solar heating and cooling systems are presented for evaluation of: the solar system thermal efficiency, fraction of the building heating or cooling load furnished by solar energy, the energy saved by using solar energy for heating and/or cooling, the solar system conventional energy coefficient of performance, and the over-all solar system efficiency. It is shown that these quantities for solar heating are at least double that for solar cooling. It is also shown that solar system heat losses to the building interior are devastating in the case of solar cooling.
Publication Year: 1980
Publication Date: 1980-01-01
Language: en
Type: article
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