캐스케이드 열교환기용 고온/저온 내부열교환기를 부착한 이원냉동시스템의 성능 특성

서지정보

ㆍ발행기관 : 한국기계기술학회 ㆍ수록지정보 : 한국기계기술학회지 / 16권 / 2호
ㆍ저자명 : 노건상

목차

Abstract
1. 서론
2. 성능분석
3. 본론
3.1 저온측 및 고온측 사이클에 내부 열교환기를 적용한 경우
3.2 저온측 사이클에만 내부 열교환기를 적용한 경우
3.3 고온측 사이클에만 내부 열교환기를 적용한 경우
3.4 내부 열교환기의 영향
4. 결론
후기
References

영어 초록

In this paper, cycle performance characteristics of a cascade refrigeration system with internal heat exchanger for cascade heat exchanger using alternative freon refrigerants is presented to offer the basic design data for the operating parameters of the system. This system considered in this study is consisted of a high temperature cycle using Freon refrigerant R23, R508B and low temperature cycle using Freon refrigerants R22, R507A. The operating parameters of this system include subcooling and superheating degree, evaporating temperature, compressor efficiency, and so on. The main results were summarized as follows : The COP of cascade refrigeration system using R23/R507A is the highest results in this study. The COP of cascade refrigeration system with internal heat exchanger only in high temperature cycle is the highest value among three cycle, such as only low temperature cycle, only high temperature cycle and all the cycle

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