C225 Richtmyer-Meshkov instability studies in converging geometry

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概要

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• The paper reports an experimental study of the interaction of initially disturbed converging and diverging cylindrical shock waves with cylindrical interfaces and the resulting Richtmyer-Meshkov instability. Experiments were conducted in an annular vertical diaphragmless shock tube, in which cylindrical soap bubbles filled with heavy test gases were placed co-axially in the shock tube's test section. In order to create initial disturbances, 10mm dia. pins were installed in the annular section of the shock tube. Weak disturbances in the converging cylindrical shock waves were produced. Double exposure holographic interferometry was used for quantitative visualization of the interfacial instability and the subsequent mixing between the interface gases. The effects of weak waves behind the shock wave on the interfacial growth rates were clarified.

• 日本流体力学会の論文
• 2002-07-23

著者

• Takayama K.

  Shock Wave Research Center. Institute of Fluid Science. Tohoku University

• Hosseini S.

  Shock Wave Research Center Institute Of Fluid Science. Tohoku University

• Hosseini S.

  Shock Wave Research Center Institute Of Fluid Science Tohoku University

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