Component sizing key for upscaling high-temperature heat pumps

A group of researchers has investigated how high temperature heat pumps may be upscaled for industrial applications and has found that larger setups promise higher efficiency. They also found that smaller setups show a better coefficient of performance resulting from design effects. A European research team has investigated the upscaling effects of high-temperature heat pumps (HTHP) utilizing an R1233zd(E) refrigerant and has found that their size is a key factor for the coefficient of performance (COP). The group compared, in particular, the performance of two laboratory-scale HTHPs of different ...

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