Applied Physics B

, Volume 61, Issue 5, pp 409–414

Laser-induced fluorescence thermometry and concentration measurements on NOA–X (0-0) transitions in the exhaust gas of high pressure CH4/air flames

Authors

  • A. O. Vyrodov
    • Institute of Physical Chemistry of CombustionDLR
  • J. Heinze
    • Institute of Physical Chemistry of CombustionDLR
  • M. Dillmann
    • Institute of Physical Chemistry of CombustionDLR
  • U. E. Meier
    • Institute of Physical Chemistry of CombustionDLR
  • W. Stricker
    • Institute of Physical Chemistry of CombustionDLR
Article

DOI: 10.1007/BF01081268

Cite this article as:
Vyrodov, A.O., Heinze, J., Dillmann, M. et al. Appl. Phys. B (1995) 61: 409. doi:10.1007/BF01081268

Abstract

Laser-Induced Fluorescence (LIF) excitation spectra in the NOA–X (0-0) band were used for temperature measurements in the postflame region of high-pressure CH4/air flames. To improve the quality of the measured spectra and to perform reliable line-shape measurements, the initial mixture was doped with approximately 400 ppm NO. At pressures up to 18 bar, excellent agreement was obtained between NO LIF temperatures and NARS/rotational Raman temperatures. Effective broadening coefficients were also determined in these flames. Problems with quantitative concentration measurements of NO and single-pulse temperature measurements at high pressures are discussed.

PACS

33.0035.00

Copyright information

© Springer-Verlag 1995