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    초록·키워드

    A study on the valve opening time in rupture disc type S/R valve for the high pressure vessel is necessitated to assure the safety and relief of the high pressure vessel. So, in the present study, an experimental study by using a shock tube facility with dimensional analysis is performed to estimate the effects of diaphragm curvature radius, pressure ratio and the depth of the groove on the valve opening time. As a result, it is found that the radius of curvature of the rupture disc becomes smaller, the thickness of the rupture disc is thinner, the ultimate strength of the rupture disc is smaller for the same conditions, the valve opening time is shorter, and, the radius of curvature and the ultimate strength of the rupture disc for the same conditions are smaller, the maximum pressure rise caused by the coalescences of the compression wave is smaller.

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      UCI(KEPA) : I410-ECN-0101-2009-550-016012211