This slide presentation presents a method of predicting acoustics during lift-off of the clustered rocket engines in the near field. Included is a definition of the near field, and the use of deflectors and shielding. There is discussion about the use of PAD, a software system designed to calculate the acoustic levels from the lift of of clustered rocket enginee, including updates to extend the calculation to directivity, water suppression, and clustered nozzles.


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    Title :

    Lift-Off Acoustics Prediction of Clustered Rocket Engines in the Near Field


    Contributors:
    Vu, Bruce (author) / Plotkin, Ken (author)

    Conference:

    Spacecraft and Launch Vehicle Dynamic Environments Workshop ; 2010 ; El Segundo, CA, United States


    Publication date :

    2010-06-08


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English


    Keywords :


    Near-field acoustics of clustered rocket engines

    Kandula, Max | Online Contents | 2008


    Predictions of launch-induced, near-field acoustics of clustered rocket engines using a scaling approach

    Sepcenko, Valentin / Margasahayam, Ravi / Sannicandro, Rocco | NTRS | 1990


    Near-Field Acoustical Characterization of Clustered Rocket Engines

    Kandula, Max / Vu, Bruce / Lindsay, Halie | AIAA | 2005


    Near-Field Acoustical Characterization of Clustered Rocket Engines AIAA Paper 2005-3091

    Kandula, M. / Vu, B. / Lindsay, H. et al. | British Library Conference Proceedings | 2005