논문 해외 국제전문학술지(SCI급) A Study on the Performance of a Cascade Heat Pump for Generating Hot Water
- 학술지 구분 국제전문학술지(SCI급)
- 게재년월 2019-11
- 저자명 최종민
- 학술지명 ENERGIES
- 발행처명 MDPI
- 발행국가 해외
- 논문언어 외국어
- 전체저자수 2
홈페이지논문 초록 (Abstract)
The use of cascade heat pumps for hot water generation has gained much attention in recent times. The big question that has attracted much research interest is how to enhance the performance and energy saving potential of these cascade heat pumps. This study therefore proposed a new cycle to enhance performance of the cascade heat pump by adopting an auxiliary heat exchanger (AHX) in desuperheater, heater and parallel positions at the low stage (LS) side. The new cascade cycle with AHX in desuperheater position was found to have better performance than that with AHX at heater and parallel positions. Compared to the conventional cycle, heating capacity and coefficient of performance (COP) of the new cascade cycle with AHX in desuperheater position increased up to 7.4% and 14.9% respectively.