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최원섭(Wonseop Choi),김순근(Soonkeum Kim) 한국자동차공학회 2008 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Intake System Plays an Important Role in the Supplying Fresh Air and Reducing the Noise. Especially, Acoustic Duct using the almost Cars for Reducing the Noise. But, Acoustic Duct has the Demerit. It is a "Price". Accordingly, the Present Studying Operates Flow and Nvh Analysis, Test of the Part. Based on theirs, this Studying will Change Acoustic Duct to PPDuct.
R600a를 이용한 소형 멀티형 냉장고 시스템의 성능특성에 대한 실험적 연구
안지훈(Jihoon Ahn),장용희(Yonghee Jang),김용찬(Yongchan Kim),최원섭(Wonseop Choi),오승환(Seungwhan Oh),김창년(Changnyeun Kim),이재승(Jaeseung Lee) 대한설비공학회 2009 설비공학 논문집 Vol.21 No.4
Various types of refrigerators become popular in the market such as a common refrigerator, kimchi refrigerator and wine cellar. It is required to develop a multi type refrigerator combining these refrigerators to save space and energy consumption. In this study. the performance of a multi type refrigerator, which consists of one machine room and three evaporators, was measured in a bench type multi refrigerator. The multi type refrigerator was tested by varying the number of refrigerator cabinet, refrigerant charge, and temperature conditions. In addition, the multi type refrigerator with a suction line heat exchanger(SLHX) was tested to improve system performance. Based on the experimental data, the multi type refrigerator showed better performance than the conventional refrigerator (single type system). Besides. the COP of the single system increased from 1.0 to 1.37, and those of the dual and triple system increased from 1.29 to 1.39, and 1.22 to 1.51, respectively, by applying the SLHX.