| Numerical Study of the Effects of the Secondary Diaphragm and Contact Surface in Expansion Tubes |
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| 作者姓名： | Kazuyuki Kage Katsuya Ishimatsu Toyoyasu Okubayashi |
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| 作者单位： | Department of Production Systems Engineering，Oita University，700 Dannoharu，Oita，870-1192，Japan，Department of Production Systems Engineering，Oita University，700 Dannoharu，Oita，870-1192，Japan，Department of Production Systems Engineering，Oita University，700 Dannoharu，Oita，870-1192，Japan |
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| 摘 要： | The interaction of the shock reflected at a secondary diaphragm with the primary contact in six cases, i.e. the strengths and shapes of the contact surface are different, were explored by numerical study. The influences of the strength and shape of the contact on the developing wave pattern and the quality of the test gas are illustrated by many kinds of figures (e.g. the time-distance diagrams of the acoustic impedance contours on the axis, the acoustic impedance contours, and the time histories of pilot and static pressures).
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Numerical study of the effects of the secondary diaphragm and contact surface in expansion tubes |
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| Kazuyuki Kage,Katsuya Ishimatsu,Toyoyasu Okubayashi.Numerical Study of the Effects of the Secondary Diaphragm and Contact Surface in Expansion Tubes[J].Journal of Thermal Science,2004,13(1):30-33. |
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| Authors: | Kazuyuki Kage Katsuya Ishimatsu Toyoyasu Okubayashi |
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| Affiliation: | (1) Department of Production Systems Engineering, Oita University, 700 Dannoharu, 870-1192 Oita, Japan |
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| Abstract: | The interaction of the shock reflected at a secondary diaphragm with the primary contact in six cases, i.e. the strengths and shapes of the contact surface are different, were explored by numerical study. The influences of the strength and shape of the contact on the developing wave pattern and the quality of the test gas are illustrated by many kinds of figures (e.g. the time-distance diagrams of the acoustic impedance contours on the axis, the acoustic impedance contours, and the time histories of pilot and static pressures). |
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| Keywords: | expansion tubes secondary diaphragm shock propagation contact surface |
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