Results 61 to 70 of about 144 (79)
A New Diaphragmless Shock Tube Facility for Interface Instability and Mach Reflection Studies
, 1995 A new shock tube facility has been constructed in order to help clarify: (i) the exact nature of Mach reflections in density stratified media and (ii) the growth rate of the interfacial instability under forcing by a shock wave. The shock tube is diaphragmless and has two fast-action valves at each end of the driven section, one to create a well ...
Yong W. Kim
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Journal of Physics E: Scientific Instruments, 1984
A pneumatic valve has been designed to replace diaphragms in shock tubes and a diaphragmless shock tube has been constructed for use with the pneumatic valve. Performance tests have been carried out for the shock tube. The present apparatus is shown to be capable of producing shock waves up to 3.5 in Mach number and be convenient to use.
Y Takano, T Akamatsu
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A pneumatic valve has been designed to replace diaphragms in shock tubes and a diaphragmless shock tube has been constructed for use with the pneumatic valve. Performance tests have been carried out for the shock tube. The present apparatus is shown to be capable of producing shock waves up to 3.5 in Mach number and be convenient to use.
Y Takano, T Akamatsu
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Development of a Large Diameter Diaphragmless Shock Tube for Use in Gas-Dynamic Laser Experiments
九州大学大学院総合理工学報告, 2007 A large diameter diaphragmless shock tube designed to drive gas-dynamic laser (GDL) experiments has been newly developed. A diaphragmless structure is used in place of a rupturing diaphragm from which normal shock waves are formed.
Rego, I. da S. +10 more
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Development of a Diaphragmless, Miniature, Liquid-Piston Shock Tube
55th AIAA Aerospace Sciences Meeting, 2017 Rhys McCormack
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The Proceedings of Mechanical Engineering Congress Japan, 2015
Yohei YAMADA, Akihisa ABE
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Yohei YAMADA, Akihisa ABE
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A new, friction controlled, piston actuated diaphragmless shock tube driver
Shock Waves, 1999A new friction operated single piston shock tube driver design that is capable of generating shock waves of Mach number 1.1 to 2 is presented. By using different test gases and evacuating the driven section Mach 5 shock waves can easily be produced. The driver is efficient with shock wave Mach numbers within 9% of that predicted by ideal shock tube ...
O.E. Kosing, F.J. Barbosa, B.W. Skews
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Metrologia, 2020
Abstract In conventional shock tubes with a diaphragm, many effects related to the burst of the diaphragm can influence shock formation, thus preventing an ideal pressure step change, as predicted by the shock tube measurement model being generated.
A Svete, J Kutin
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Abstract In conventional shock tubes with a diaphragm, many effects related to the burst of the diaphragm can influence shock formation, thus preventing an ideal pressure step change, as predicted by the shock tube measurement model being generated.
A Svete, J Kutin
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A New Fast Acting Valve for Diaphragmless Shock Tubes
2012Conventional shock tubes usually use diaphragms to separate the driver and driven section from each other before experiment. Diaphragms have the advantage that they are easy to use and open nearly instantaneously. Nevertheless, this technique has also some disadvantages.
K. A. Heufer +3 more
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Rapid Opening Valve Assisted by Magnetic Force for a Diaphragmless Shock Tube
2015Recently, ship ballast water has become a threat to marine ecosystems-i.e., the increase in marine creatures carried in ship ballast water to other sea areas causes destruction of marine ecosystems.
A. Abe, K. Sugahara, Y. Yamada
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Development of a Large Diameter Diaphragmless Shock Tube for Gas-Dynamic Laser Studies
Materials Science Forum, 2007This paper reports on the design and performance of a large diameter diaphragmless shock tube that has been recently developed in order to experimentally study various basic characteristics of the gas-dynamic laser (GDL). The main engineering element of the shock tube is a diaphragm-like sliding piston (in place of a rupturing diaphragm) by which ...
I. da S. Rego +7 more
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