Holographic Interferometric Observation of Shock Waves Discharged from an Open-Eng of a Square Cross-Sectional Shock Tube
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概要
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This paper describes results of holographic interferometric observation of the evolution of shock waves and the primary vortex loop discharged from the open-end of a 40 mm × 40 mm square tube. Experiments were conducted by using the square tube connected to a 60 mm × 1500 mm diaphragmless shock tube. Holographic interferometric flow visualization viewed from the axial direction was carried out using a diffusively-reflected beam as the object beam. In order to interpret the observed three-dimensional shock-wave motion, numerical simulations were also carried out by solving the Euler equations with the dispersion-controlled scheme. The experimental interferogram was compared with numerical visualization results. The three-dimensional transition of the shock wave configuration from a planar to a spherical shape and the development of the primary vortex loop from a square shaped to the three-dimensional structure were clearly observed.
- 一般社団法人日本機械学会の論文
- 1998-05-15
著者
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TAKAYAMA Kazuyoshi
Shock Wave Research Center, Institute of Fluid Science, Tohoku University
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Takayama K
Tohoku Univ.
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Jiang Z
Tohoku Univ. Sendai Jpn
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Jiang Zonglin
Shock Wave Research Center Institute Of Fluid Science Tohoku University
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Takayama Kazuyoshi
Shock Wave Research Center Institute Of Fluid Science Tohoku University
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ONODERA Osamu
Shock Wave Research Center, Institute of Fluid Science, Tohoku University
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Onodera O
Tohoku Univ. Sendai Jpn
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Onodera Osamu
Study Group On X-linked Adrenoleukodystrophy Research Group On Specific Diseases The Ministry Of Hea
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Onodera Osamu
Department Of Neurology Brain Research Institute Niigata University
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Onodera Osamu
Shock Wave Research Center Institute Of Fluid Science Tohoku University
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