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장세명(S.M. Chang),정연규(Y.G. Jung),김사지(S.J. Kim),송찬이(C.Y. Song),장근식(K.S. Chang) 대한기계학회 2008 대한기계학회 춘추학술대회 Vol.2008 No.5
Extracorporeal Shock Wave Therapy (ESWT) is known a very effective clinical treatment against persistent musculo-skeletal pains that do not respond with the conservative medical therapy. In the hydroelctric type ESWT, shock waves are generated by the electric sparks between two electrodes a few milimeters apart charged in tens of thousand volts, immersed in water and located at the first focal point of an ellipsoidal reflector. Then the shock is focused at the second focal point of the reflector for clinical use. The shock wave is bombarded thousand of times on the target area positioned at the second focal point. In this medical equipment, there is lots of obscurity in the physical and biological effect. We first make CFD analysis to expound the shock focusing process of this pressure device.
농업용 다기능 작업차 트랜스 밋션 및 P.T.O 개발(Ⅰ)
김재열,한재호,곽이구,김항우,송찬일,김남재 한국공작기계학회 2002 한국공작기계학회 춘계학술대회논문집 Vol.2002 No.-
In this Research, we would like to perform optimal design by using theoretical equation and experimental equation for development of transmission and P.T.O on work vehicle with multi-function that is suited fruit cultures in my country. For the purpose of reducing development period about product and minimizing risk about design error, detail design and interference check are accomplished by FEM analysis and CAD software.