Results 31 to 40 of about 87 (61)
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Design of a fast diaphragmless shock tube driver
Shock Waves, 2015In this paper, we developed a one-dimensional compressible flow model to study the behavior of various diaphragmless drivers numerically. We determined that the diameter ratio, $$\beta _{d}$$ , for the ...
Ricardo Mejia-Alvarez
exaly +2 more sources
Characteristics of an annular vertical diaphragmless shock tube
Shock Waves, 2000Abstract. This paper reports on the characteristics of a compact vertical diaphragmless shock tube, which was constructed and tested in the Shock Wave Research Center to study experimentally the behavior of toroidal shock waves. It is 1.15 m in height and has a self-sustained co-axial vertical structure consisting of a 100 mm i.d.
Osamu Onodera +2 more
exaly +2 more sources
A diaphragmless shock tube for high temperature kinetic studies
Review of Scientific Instruments, 2008A novel, diaphragmless shock tube (DFST) has been developed for use in high temperature chemical kinetic studies. The design of the apparatus is presented along with performance data that demonstrate the range and reproducibility of reaction conditions that can be generated.
Robert Tranter
exaly +3 more sources
A rapid opening sleeve valve for a diaphragmless shock tube
Shock Waves, 2011This paper describes a novel pneumatically operated diaphragmless shock tube valve that is capable of generating well-formed shock waves within a driven tube which has a length to diameter ratio of 122. Its development was motivated by the requirement for an automated shock tube—an application for which the conventional bursting diaphragm method is not
M. S. Downey +2 more
exaly +2 more sources
Motion analysis of a diaphragmless driver section for a narrow channel shock tube
Shock Waves, 2008We set up a diaphragmless driver section as the first step towards developing a shock tube at microscale which has high experimental efficiency, independent of tube dimensions or the ratio of driver and driven pressure. The experiment described in this paper is performed by using our diaphragmless driver section.
Kazuo Maeno
exaly +2 more sources
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.
Joze Kutin, Andrej Svete
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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.
Joze Kutin, Andrej Svete
exaly +2 more sources
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
openaire +1 more source
A New-Conception, Electromagnetically Controlled, Diaphragmless Shock Tube
Volume 1: Turbo Expo 2003, 2003A new conception, electro-magnetically controlled, diaphragmless shock tube was realized and tested in the laboratories of University of Florence. A piston separates the co-axial driver and driven sections. The piston is kept in position by a force of an electromagnet acting on an iron disc linked to its rod. In order to obtain very short opening time,
FERRARA, GIOVANNI +2 more
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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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