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  • 1
    Electronic Resource
    Electronic Resource
    H2 CARS thermometry in a fuel-rich, premixed, laminar CH4/air flame in the pressure range between 5 and 40 bar (1995)
    Springer
    Applied physics 61 (1995), S. 49-57 
    Details
    ISSN: 1432-0649
    Keywords: 33.20 ; 42.65
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract To establish H2 CARS thermometry at high pressure, accumulated H2 Q-branch CARS spectra were recorded in the exhaust of a fuel-rich CH4/air flame at pressures between 5 and 40 bar. Temperatures were deduced by fitting theoretical spectra to experimental data points. The Energy-Corrected Sudden (ECS) scaling law was employed to set up an empirical model for the calculation of H2 linewidths in high-pressure hydrocarbon flames with H2 as a minority species. Experimental H2 CARS spectra could be simulated very accurately with this model. The evaluated temperatures agreed well with reference temperatures obtained by spontaneous rotational Raman scattering of N2.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01090971
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    The application of single-pulse CARS for temperature measurements in a turbulent stagnation flame (1991)
    Springer
    Applied physics 53 (1991), S. 339-346 
    Details
    ISSN: 1432-0649
    Keywords: 33.20 ; 42.65
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract N2 Q-branch CARS spectra have been recorded and evaluated for temperature determination in a turbulent, premixed CH4/air stagnation flame with a burner of 40 mm diameter and 22 kW thermal load. Temperature histograms on the flame axis at different distances from the stagnation plate have been measured. Problems of practical applicability are addressed, including those arising from the limited spatial resolution of the BOXCARS geometry, from an insufficient dynamic range of the diode array detector, and from a memory effect of the detector in the case of measurements in highly turbulent flame areas with strong intermittency. Some information is given on the computerized acquisition and on the evaluation of the large amounts of data that are necessary for extensive investigations in large combustion systems.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00331824
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    Paper (German National Licenses)
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