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김민성(Minseong Kim),한형석(Hyungsuk Han),정의봉(Weibong Jeong),김태훈(Taehun Kim) 대한기계학회 2009 대한기계학회 춘추학술대회 Vol.2009 No.5
This research is focused on the experimental study of the noise induced by two-phase refrigerant flow in the evaporator. The two-phase flow in the evaporator has various flow patterns. The effects of two-phase flow pattern's characteristics on the noise of the evaporator are investigated experimentally. The experimental data show that the generated noise is mainly related to the vertical pipe and the certain two-phase flow pattern such as the chum and slug flow. Based on these results, we removed the unnecessary vertical pipe and changed the pipe diameter of the evaporator-inlet into small one in order to avoid the intermittent flow condition. We compared the noise level of the old and new design of the evaporator.