한국공작기계학회:학술대회논문집 (Proceedings of the Korean Society of Machine Tool Engineers Conference)
- 한국공작기계학회 2005년도 춘계학술대회 논문집
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- Pages.60-65
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- 2005
열교환기 구조 변화에 따른 $NH_3$ 와 R22의 성능특성연구
The Study on Performance Characteristics of $NH_3$ and R22 due to Structure of Heat Exchanger
- 발행 : 2005.05.01
초록
Nowadays HCFCs refrigerant are restricted because it cause depletion of ozone layer. However, natural gases such as ammonia as an organic compound, propane and propylene as hydrocarbon are easy and cheap to obtain as well as environmental. Accordingly, this experiment apply the