Numerical Analysis of Transient Flow through a Pipe Orifice: (2nd Report, Step Response from Initinal Steady Flow)

Toshiyuki Hayase, Ping Cheng, Satoru Hayashi

研究成果: Article査読

抄録

As a fundamental consideration in hydraulic valve dynamics, transient laminar flow through a pipe orifice has been studied via numerical analysis. In the previous report the authors performed time-dependent calculation from the initial stationary state under a suddenly imposed pressure gradient, and pointed out that the dynamic behavior is characterized by two time constants. The present report treats the transient flow starting from an initial steady flow. Effects of the recirculating flow and the stretched contraction flow region are investigated in comparison with the previous result.

本文言語English
ページ(範囲)78-84
ページ数7
ジャーナルTransactions of the Japan Society of Mechanical Engineers Series B
60
569
DOI
出版ステータスPublished - 1994
外部発表はい

ASJC Scopus subject areas

  • 凝縮系物理学
  • 機械工学

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