Contraction Coefficient of a Thick Orifice for Compressible Flows

Hiroyuki Hirahara, Naohiro Nakano, Toshiyuki Aoki, Kazuyasu Matsuo

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The purpose of the present is to report a contraction coefficient of a two-dimensional thick orifice for compressible flows. An experimental investigation was performed using a shock tunnel, and the orifice flow was visualized by a color schlieren method. The experimental results show that the compressible flows through an orifice can be classified into three patterns and the contraction coefficient of a thick orifice increases with increase in the length-height ratios.

Original languageEnglish
Pages (from-to)1785-1788
Number of pages4
JournalTransactions of the Japan Society of Mechanical Engineers Series B
Volume55
Issue number515
DOIs
Publication statusPublished - Jan 1 1989

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compressible flow
Compressible flow
orifices
Orifices
contraction
orifice flow
coefficients
shock tunnels
color
Tunnels
Color

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Mechanical Engineering

Cite this

Contraction Coefficient of a Thick Orifice for Compressible Flows. / Hirahara, Hiroyuki; Nakano, Naohiro; Aoki, Toshiyuki; Matsuo, Kazuyasu.

In: Transactions of the Japan Society of Mechanical Engineers Series B, Vol. 55, No. 515, 01.01.1989, p. 1785-1788.

Research output: Contribution to journalArticle

Hirahara, Hiroyuki ; Nakano, Naohiro ; Aoki, Toshiyuki ; Matsuo, Kazuyasu. / Contraction Coefficient of a Thick Orifice for Compressible Flows. In: Transactions of the Japan Society of Mechanical Engineers Series B. 1989 ; Vol. 55, No. 515. pp. 1785-1788.
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