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자동차 라디에이터 팬의 진동특성 및 발란싱에 대한 연구
김인웅(InWoong Kim),최현(Hyun Choi),박영필(YoungPil Park) 한국소음진동공학회 2013 한국소음진동공학회 학술대회논문집 Vol.2013 No.4
The fan-shroud plays the important role in cooling down the engine heat by the forced convection. As the fan-shroud is made by injection molding, the unbalance of the fan blades is inevitable, and its low frequency characteristics makes it easy to excite the resonances of the environmental structures. So controlling its vibration, specially the dominant vibration source of unbalance vibration, is one of key factor to improve the sound and vibration quality of the modern vehicles. This paper introduces the plane balancing method, the most appropriate way of controlling the fan-shroud by generating the acceleration orbit measured from 2 accelerometers, and proves its balancing effect by the experiment.