A study on REMPI as a measurement technique for highly rarefied gas flows (analyses of experimental REMPI spectra in supersonic free molecular flows)

Hideo Mori, Toshihiko Ishida, Yoshinori Aoki, Tomohide Niimi

研究成果: ジャーナルへの寄稿記事

1 引用 (Scopus)

抄録

A measurement technique of thermodynamic variables with high sensitivity is strongly demanded for analyses of highly rarefied gas flows, gas-surface interaction, and so on.REMPI (Resonantly Enhanced Multiphoton Ionization) is a powerful optical tool because of its high sensitivity even in highly rarefied gas flows and ability to measure nonequilibrium among internal (translational, vibrational, and rotational) energy. In this paper, the MEMPI system is constructed and the REMPI spectra are measured at the center line of a free molecular flow. The fundamental properties of REMPI signal are also described. A method of Boltzmann plot using the spectral lines of different branches is proposed, determining electronic transition dipole moments in Hönl-London factors.

元の言語英語
ページ(範囲)1373-1379
ページ数7
ジャーナルNihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
66
発行部数645
DOI
出版物ステータス出版済み - 1 1 2000
外部発表Yes

Fingerprint

free molecular flow
rarefied gases
Ionization
gas flow
Flow of gases
ionization
sensitivity
Dipole moment
surface reactions
line spectra
dipole moments
plots
Thermodynamics
thermodynamics
Gases
electronics
gases
energy

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Mechanical Engineering

これを引用

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abstract = "A measurement technique of thermodynamic variables with high sensitivity is strongly demanded for analyses of highly rarefied gas flows, gas-surface interaction, and so on.REMPI (Resonantly Enhanced Multiphoton Ionization) is a powerful optical tool because of its high sensitivity even in highly rarefied gas flows and ability to measure nonequilibrium among internal (translational, vibrational, and rotational) energy. In this paper, the MEMPI system is constructed and the REMPI spectra are measured at the center line of a free molecular flow. The fundamental properties of REMPI signal are also described. A method of Boltzmann plot using the spectral lines of different branches is proposed, determining electronic transition dipole moments in H{\"o}nl-London factors.",
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T1 - A study on REMPI as a measurement technique for highly rarefied gas flows (analyses of experimental REMPI spectra in supersonic free molecular flows)

AU - Mori, Hideo

AU - Ishida, Toshihiko

AU - Aoki, Yoshinori

AU - Niimi, Tomohide

PY - 2000/1/1

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AB - A measurement technique of thermodynamic variables with high sensitivity is strongly demanded for analyses of highly rarefied gas flows, gas-surface interaction, and so on.REMPI (Resonantly Enhanced Multiphoton Ionization) is a powerful optical tool because of its high sensitivity even in highly rarefied gas flows and ability to measure nonequilibrium among internal (translational, vibrational, and rotational) energy. In this paper, the MEMPI system is constructed and the REMPI spectra are measured at the center line of a free molecular flow. The fundamental properties of REMPI signal are also described. A method of Boltzmann plot using the spectral lines of different branches is proposed, determining electronic transition dipole moments in Hönl-London factors.

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