efficient owing to the low efficiency of the working fluid pump. The PRC mainly consists of a scroll expander, two heat … a working fluid pump is employed to control the PRC, hence avoiding problems such as cavitation caused by the working … fluid pump. A mini-PRC experimental system showed that the PRC could successfully function with a scroll expander and …

. Instead of using a working fluid pump, the switching valves method (SVM) is employed to control the cycle. The SVM makes each … fluid flows back and forth between the two heat exchangers without a working fluid pump. Therefore, the new cycle does not …