Abstract
A new technique is devised to make quantitative estimates of the value of the three major components of a solar-driven chemical heat pump, i.e., the solar collector, the thermodynamic machine used to pump heat or cool (the chemical heat pump), and storage (assumed to be chemical). The analysis is based on the results of a TRNSYS simulation of a chemical heat pump system in a New York climate. For a typical system involving a solar-driven heat pump contributing 50% to the heating load, the analysis indicates that the chemical heat pump is worth about half the total system value. The solar collectors represent about one-third the system value and the remaining one-sixth system value is associated with storage. The results also confirm the importance of an all-year system capable of both winter heating and summer cooling. A formal approach based on differential analysis is developed to help indicate the most fruitful avenue to a higher value system. It is shown that the coefficient of performance is the most important parameter.
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