Discussion on mechanism of pressure-sensitive paints

Hiroki Yamaguchi, yu Matsuda, Hideo Mori, Tomohide Niimi

Research output: Contribution to journalArticle

Abstract

The pressure-sensitive paint is very useful and easy way to obtain the pressure distribution on surfaces. Usually the pressure distribution by the paint shows good agreement with that obtained by other methods, like a pressure tap. Recently, the paint has been adopted to the high Knudsen number regime for pressure measurement, and showed possibility of pressure measurement for wide range of flows. The mechanism of the pressure-sensitive paint is mainly discussed within the luminescence intensity and the oxygen quenching of luminescent molecules. Still, it is unclear that the luminescence intensity is really proportional to the pressure, or another related value, especially in the high Knudsen number regime. Here, in this study, we tried to relate the flux and the pressure of oxygen to the luminescence intensity of the pressure-sensitive paint, and clear out the limit of application from the gas dynamical point of view.

Original languageEnglish
Pages (from-to)112-117
Number of pages6
JournalNihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
Volume73
Issue number1
Publication statusPublished - 2007 Jan 1
Externally publishedYes

Fingerprint

pressure sensitive paints
Paint
Knudsen flow
paints
luminescence
pressure measurement
pressure distribution
Luminescence
taps
oxygen
Pressure measurement
Pressure distribution
quenching
Oxygen
gases
molecules
Quenching
Fluxes
Molecules
Gases

Keywords

  • High Knudsen number flow
  • Number flux
  • Pressure
  • Pressure-sensitive paint

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanical Engineering

Cite this

Discussion on mechanism of pressure-sensitive paints. / Yamaguchi, Hiroki; Matsuda, yu; Mori, Hideo; Niimi, Tomohide.

In: Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B, Vol. 73, No. 1, 01.01.2007, p. 112-117.

Research output: Contribution to journalArticle

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