Combustor research programs are described whose purpose is to demonstrate significantly lower exhaust emission levels. The proposed EPA regulations covering the allowable levels of emissions will require a major technological effort if these levels are to be met by 1979. Pollution reduction technology is being pursued by NASA through a combination of in-house research, contracted progams, and university grants. In-house research with the swirl-can modular combustor and the double-annular combustor has demonstrated significant reduction in the level of NO(x) emissions. The work is continuing in an attempt to further reduce these levels by improvements in module design and in air-fuel scheduling. Research on the reduction of idle emissions has included the conversion of conventional duplex fuel nozzles to air-assisted nozzles and exploration of the potential improvements possible with fuel staging and variable combustor geometry. (Author)


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    Title :

    Advanced Technology for Reducing Aircraft Engine Pollution


    Contributors:
    R. E. Jones (author)

    Publication date :

    1973


    Size :

    22 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English





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    Technology for reducing aircraft engine pollution

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