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워터드라이브 내부 유동 특성 파악을 위한 수치해석 연구
곽민희(Minhee Kwak),허남건(NahmKeon Hur),장춘수(Choon-Soo Chang),강남원(Nam-Won Kang) 대한기계학회 2015 대한기계학회 춘추학술대회 Vol.2015 No.11
Water drive is one of the hydraulic coupling used for torque transmitting. This paper performs numerical analysis to investigate flow characteristics in water drive with different operating condition. Rotating speed of the primary wheel is fixed but that of the secondary wheel is changed. Also water volume fraction are changed. The realizable k-ε turbulence model and VOF method are used to simulate air-water two-phase flow inside the water drive. The simulation are conducted using the sliding grid. The results are presented in the form of flow patterns, torque values and circulation mass flow rate between the primary wheel and secondary wheel.