Noise is not only a problem with civil aviation but in the military sector as well. Jet propelled agile(unmanned) air vehicles generate particularly intense noise during operation. This is a problem in peacetimes due to annoyance of the community during necessary training/test flights, and in wartimes because of the risk of an early acoustic detection of the aircraft by the enemy. The particular details of engine integration on such vehicles can easily result in either a noisy or a quiet aircraft. However, today, noise is not part of the design process, but comes as a somewhat problematic by-product when the configuration has been fixed. The potential for an acoustically designed engine integration and corresponding beneficial acoustic installation effects is not exploited. The problem here is that as opposed to more classical design disciplines noise prediction is less developed. The applicability of acoustic prediction methods for low noise vehicle design is unclear, and so is their status of validation.


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    Titel :

    Aeroacoustics of Engine Installation on Military Air Vehicles


    Erscheinungsdatum :

    2021


    Format / Umfang :

    146 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




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