Numerical Analysis of the Wave Propagation in a Duct with an Area Change by Random Choice Method

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概要

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• The random choice method (RCM) was used to numerically solve shock propagation in a Laval nozzle and a Ludwieg tube. In quasi-random sampling procedure, van der Corput method was used. According to each specified incident shock Mach number and nozzle area ratio, the RCM analysis predicts five unique possible wave patterns. The starting process of the Ludwieg tube was also numerically analyzed by using the RCM.

• 一般社団法人日本機械学会の論文

著者

• Nishida Michio

  Kyushu University

• Kashimura Hideo

  Kitakyushu College Of Technology

• IWATA Naoto

  Kitakyushu College of Technology

• NISHIDA Michio

  Faculty of Engineering, Kyoto University

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