Numerical analysis of transient flow through a spool valve (modeling of transient characteristic in high reynolds number flow)

Toshiyuki Hayase, Yupeng Xia, Satoru Hayashi

研究成果: Article査読

抄録

In this study, a transient flow in a spool valve has been studied via numerical analysis. First, a numerical procedure is developed for non-uniform grid systems. A consistent formulation of the QUICK scheme is derived for non-uniform rectangular grid systems. A transient flow field was then investigated for the condition with several values of the spool stroke and a large pressure difference between upstream and downstream boundaries. The computational result was used to obtain a mathematical model for the spool valve flow transient in high Reynolds number condition of practical importance. Unsteady characteristics of the axial flow force acting on the spool valve was investigated based on the pressure and shearing stress distribution of the computational result. Prediction of the unsteady flow force based on the momentum theory was examined using the computational result.

本文言語English
ページ(範囲)724-731
ページ数8
ジャーナルNihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
64
619
DOI
出版ステータスPublished - 1998
外部発表はい

ASJC Scopus subject areas

  • 凝縮系物理学
  • 機械工学

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