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유동 가시화를 이용한 PCHE의 유동분배에 관한 실험적 연구
설한이(Hanee Seol),손상호(Sangho Sohn),김동호(Dong Ho Kim),김우경(Woo Kyoung Kim),김진섭(Jin Sub Kim),이공훈(Kong Hoon Lee),최병일(Byung-Il Choi),김정철(Jungchul Kim) 대한설비공학회 2022 대한설비공학회 학술발표대회논문집 Vol.2022 No.6
PCHE is widely used for industrial applications with increasing demand in extreme environments. This study introduced a flow visualization experiment to observe the internal flow in PCHE by using a high-speed camera and investigated the effect of flow path shapes and flow rates, and compared flow distribution. In the experiment for the effect of flow path shapes, the velocity-deviation of I shape was large at 2.28, but the velocity-deviation of N and NR was reduced to 1.04 and 1.05. In the experiment for the effect of flow rates, the velocity deviation was greater than low flow rate at the high flow rate, and the flow distribution was asymmetrical at the high flow rate.