An infrared instrument using a gas-filter correlation (GFC) technique was used to monitor NO and CO by directing the monitoring beam across the exhaust plume of a T56 jet engine combustor. The instrument, built previously by Aeronutronic Ford for the Environmental Protecting Agency (EPA) to monitor pollutant gases in smokestack exhausts, was modified for use on the combustor. Temperatures and concentrations ranged from 300 to 930 K and up to 130 ppm for NO, and from 300 to 550 K and up to 220 ppm for CO. The infrared results compared reasonably well with results that were obtained simultaneously by with-drawing the sample by using probe techniques and analyzing the gas with a conventional gas analyzer.


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    Title :

    Monitoring of pollutant gases in aircraft exhausts by gas-filter correlation methods


    Additional title:

    Ermittlung von Schadgasen in Flugzeug-Abgasen mittels Gasfilter-Korrelationsverfahren


    Contributors:
    Gryvnak, D.A. (author) / Burch, D.E. (author)


    Publication date :

    1976


    Size :

    21 Seiten, 9 Bilder, 3 Tabellen, 14 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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