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Central Ventilation Fan Blade 손상원인의 고찰
구재량(Koo-Jae Raeyang),고우식(Ko-Woo Sig),김연환(Kim-Yeon Hwan),박광하(Park-Kwang Ha) 대한기계학회 2002 대한기계학회 춘추학술대회 Vol.2002 No.5
During the operation, Central ventilation fan stopped when switch on condition. When central ventilation fan disassemble, ten blades of fan fractured. We have searched cause of failure. We bad modeling one of the fan blades and analysis with computer programs. Thus We have find that fracture of central ventilation fan blades is alternative stress and vibration at hub. In this paper, We have described cause of failure.