Numerical study of the effects of the rupture process of a secondary diaphragm in expansion tubes |
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Authors: | Kage K Ishimatsu K Okubayashi T |
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Institution: | 1.Department of Production Systems Engineering,Oita University,Oita,Japan;2.Department of Production Systems Engineering,Oita University,Oita,Japan |
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Abstract: | The results of a numerical study are described in which the interactions of a primary shock wave with a secondary diaphragm
in expansion tubes are taken into account. The developing wave pattern in the interacting process of the shock with a secondary
diaphragm are visualized by many kinds of figures (e.g., the time-distance diagrams of the wave phenomena on the axis, the
acoustic impedance contours, and the time histories of the pitot pressure on the axis), and the influences of the shape and
rupture process of the diaphragm on the quality of the test gas are explored. |
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Keywords: | |
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