모세관 삽입형 룸 에어컨용 배관 개발에 관한 실험
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This study shows the experimental characteristics of the double pipe inserted liquid pipe with small diameter in the gas pipe with large diameter for circulating of a liquid of high temperature, pressure and a gas of low temperature, pressure at the same time. So the functions of pipe and pipe's expansion and heat transfer are presented simultaneously. In the result, the temperature of gas refrigerant at the inlet of compressor increased about 4.8~5.3℃ by the heat transfer with liquid refrigerant in case of the double pipe. And liquidㆍgas refrigerant which the temperature at the inlet of evaporator decreased about 3℃ comparing with the existing type flows into an evaporator. Consequently, it is convinced the superiority of the double pipe in the heat loss aspect.