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캐비테이션 가열 장치의 로터 면에 위치한 딤플 및 형상에 관한 수치해석적 연구
손손(SUN Xun),신명섭(Myung Seob Shin),이웅엽(Woong Yup Lee),이여진(Yeo Jin Lee),엄애선(Ae Som Om),윤준용(Joon Yong Yun) 대한기계학회 2014 대한기계학회 춘추학술대회 Vol.2014 No.11
This paper presents numerical investigation of local cavitation phenomena of water due to the rotor with highly rotational speed which in the heater. The standard k-epsilon turbulence model, the Mixture multiphase model and the Schnerr ? Sauer cavitation model were selected. The simulations provided insight into the flow field characteristics inside the heater. The pressure fields and the volume fractions of vapor were predicted respectively for different shapes of rotor. Through the comparison of each case, the optimum solution of the generation of vapor was obtained, which means the best design for heating.