Vortex behavior of pulsating jets from a rectangular nozzle

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概要

• 論文の詳細を見る

• This paper describes an experimental study on the vortex formation of a pulsating jet issuing from a rectangular nozzle of an aspect ratio of 5 which has a short parallel section upstream of the jet exit. Visualization with hydrogen bubble method reveals three-dimensional vortex nature. It was confirmed that vortices which originate from short sides of the nozzle flow downstream faster than vortices from long sides and shift into the jet axis. On the other hand the vortices from the long sides move away from the jet axis and downstream bend at their middle with the edges of the vortices going ahead. The three-dimensional vortex deformation that the major and the minor axis of the vortex ring are switched was confirmed further downstream.

• 社団法人日本機械学会の論文
• 2006-11-15

著者

• YOSHIDA Takashi

  Faculty of Pharmaceutical Sciences, Matsuyama University

• Ikeda Toshihiko

  Fac. Of Engineering Shinshu Univ. 4-17-1 Wakasato Nagano 380-8553 Jpn

• IIO Shouichiro

  Faculty of Engineering, Shinshu University

• KAWAMURA Takayuki

  Graduate School of Engineering, Shinshu University

• MATSUBARA Masaharu

  Faculty of Engineering, Shinshu University

• IKEDA Toshihiko

  Faculty of Engineering, Shinshu University

• Iio Shouichiro

  Fac. Of Engineering Shinshu Univ. 4-17-1 Wakasato Nagano 380-8553 Jpn

• Ikeda T

  Faculty Of Medical And Pharmaceutical Sciences Kumamoto University

• Yoshida T

  Faculity Of Science And Technology Keio University

• Yoshida Takashi

  Faculty Of Agriculture Kyusyu University

• Kawamura Takayuki

  Graduate School Of Engineering Shinshu University

• Takashi Yoshida

  Faculty Of Engineering Shinshu University

• Yoshida Takashi

  Faculty Of Agriculture And Life Science Hirosaki University

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