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종횡비에 따른 Half Zone 유동의 진동현상에 대한 수치해석
김홍섭(H. S. Kim),이규정(K. J. Lee),양재경(J. K. Yang) 대한기계학회 2002 대한기계학회 춘추학술대회 Vol.2002 No.5
A numerical study on the half-zone flow is performed to understand the characteristics of the oscillation of the flow with various aspect ratios. The steady and unsteady 2-dimensional program is developed and no surface deformation is considered. There is no devised disturbance to make the flow oscillate.<br/> As a result, aspect ratio increases with the critical temperature and decreases with the amplitude of the oscillation but it has less effect on the period of oscillation. At some cases, it is found that there is distorted, not sinusoidal one, oscillation at higher temperature difference.