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    Abating exhaust noises in jet engines (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A noise abating improvement for jet engines including turbojets, turbofans, turboprops, ramjets, scramjets, and hybrid jets is introduced. A provision is made for an apparatus in the primary and/or secondary flow streams of the engines; the apparatus imparts to the exhaust gases a component rotation or swirl about the engine's longitudinal axis. The rotary component in the exhaust gases causes a substantial suppression of sound energy build up normally produced by an axial flow exhaust system.
    Keywords: COMMUNICATIONS
    Format: application/pdf
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