We discuss combustion gas spectra measured by interference spectrometers and their relevance for engine studies. First, we discuss infrared H2O thermal emission spectra from in-cylinder piston engine gases with a novel operation mode of a standard FTIR. Second, we discuss ultraviolet OH absorption spectra in an atmospheric-pressure flame using a spatial heterodyne spectrometer (SHS) suitable for single-shot measurements of spectra from engines. We emphasize the unique ability of interference spectrometers to gather high-resolution spectra at high throughput and the associated value to the engine researcher.


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    Title :

    Interferometric Techniques for Crank-Angle Resolved Measurements of Gas Spectra in Engines


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    SAE World Congress & Exhibition ; 2009



    Publication date :

    2009-04-20




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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