A study on REMPI as a measurement technique for highly rarefied gas flows (Simulations and its fundamental properties of REMPI spectra)

H. Mori, T. Ishida, S. Hayashi, Y. Aoki, T. Niimi

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Nowadays, a non-intrusive measurement tool of thermodynamic variables with high sensitivity is strongly demanded for analyses of highly rarefied gas flows. REMPI (resonantly enhanced multiphoton ionization) is the most suitable technique for measurement of gas molecules with very low density. In this study, to examine the fundamental properties of the REMPI spectra, 2R+2 N2-REMPI spectra including the spectral broadening are calculated and compared with the experimental results. From the calculated REMPI spectra, spectral lines adequate to measure temperature are proposed, especially at relatively high temperature where the measurement error becomes larger because of the overlap of the spectral lines.

Original languageEnglish
Pages (from-to)400-406
Number of pages7
JournalJSME International Journal, Series B: Fluids and Thermal Engineering
Volume43
Issue number3
DOIs
Publication statusPublished - Jan 1 2000
Externally publishedYes

Fingerprint

rarefied gases
Flow simulation
Ionization
gas flow
Flow of gases
ionization
line spectra
simulation
nonintrusive measurement
Measurement errors
Gases
Thermodynamics
Temperature
thermodynamics
Molecules
sensitivity
gases
molecules
temperature

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering
  • Physical and Theoretical Chemistry
  • Fluid Flow and Transfer Processes

Cite this

A study on REMPI as a measurement technique for highly rarefied gas flows (Simulations and its fundamental properties of REMPI spectra). / Mori, H.; Ishida, T.; Hayashi, S.; Aoki, Y.; Niimi, T.

In: JSME International Journal, Series B: Fluids and Thermal Engineering, Vol. 43, No. 3, 01.01.2000, p. 400-406.

Research output: Contribution to journalArticle

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AU - Niimi, T.

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