Modeling absorption spectra for detection of the combustion products of jet engines by laser remote sensing

Olga K. Voitsekhovskaya, Danila E. Kashirskii, Oleg V. Egorov, Olga V. Shefer

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

The absorption spectra of exhaust gases (H2O, CO, CO2 , NO, NO2 , and SO2 ) and aerosol (soot and Al2 O3 ) particles were modeled at different temperatures for the first time and suitable spectral ranges were determined for conducting laser remote sensing of the combustion products of jet engines. The calculations were conducted on the basis of experimental concentrations of the substances and the sizes of the aerosol particles. The temperature and geometric parameters of jet engine exhausts were also taken from the literature. The absorption spectra were obtained via the line-by-line method, making use of the spectral line parameters from the authors' own high-temperature databases (for NO2 and SO2 gases) and the HITEMP 2010 database, and taking into account atmospheric transmission. Finally, the theoretical absorption spectra of the exhaust gases were plotted at temperatures of 400, 700, and 1000 K, and the impact of aerosol particles on the total exhaust spectra was estimated in spectral ranges suitable for remote sensing applications.

Original languageEnglish
Pages (from-to)3814-3823
Number of pages10
JournalApplied Optics
Volume55
Issue number14
DOIs
Publication statusPublished - 10 May 2016

Fingerprint

jet engines
combustion products
Jet engines
remote sensing
Absorption spectra
Remote sensing
aerosols
exhaust gases
Particles (particulate matter)
Aerosols
absorption spectra
Lasers
Exhaust gases
lasers
soot
Temperature
Exhaust systems (engine)
temperature
line spectra
Soot

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Modeling absorption spectra for detection of the combustion products of jet engines by laser remote sensing. / Voitsekhovskaya, Olga K.; Kashirskii, Danila E.; Egorov, Oleg V.; Shefer, Olga V.

In: Applied Optics, Vol. 55, No. 14, 10.05.2016, p. 3814-3823.

Research output: Contribution to journalArticle

Voitsekhovskaya, Olga K. ; Kashirskii, Danila E. ; Egorov, Oleg V. ; Shefer, Olga V. / Modeling absorption spectra for detection of the combustion products of jet engines by laser remote sensing. In: Applied Optics. 2016 ; Vol. 55, No. 14. pp. 3814-3823.
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