The liftoff phase induces acoustic loading over a broad frequency range for a launch vehicle. These external acoustic environments are then used in the prediction of internal vibration responses of the vehicle and components which result in the qualification levels. Thus, predicting these liftoff acoustic (LOA) environments is critical to the design requirements of any launch vehicle. If there is a significant amount of uncertainty in the predictions or if acoustic mitigation options must be implemented, a subscale acoustic test is a feasible design phase test option to verify the LOA environments. The NASA Space Launch System (SLS) program initiated the Scale Model Acoustic Test (SMAT) to verify the predicted SLS LOA environments.


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    Title :

    SLS Scale Model Acoustic Test Liftoff Results and Comparisons


    Contributors:
    Houston J. (author) / Counter D. (author) / Giacomoni C. (author)

    Publication date :

    2015


    Size :

    15 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




    SLS Scale Model Acoustic Test Liftoff Results and Comparisons

    Houston, Janice / Counter, Douglas / Giacomoni, Clothilde | NTRS | 2015




    Space Launch System Scale Model Acoustic Test Liftoff Results and Comparisons

    Houston J. / Counter D. / Giacomoni C. | NTIS | 2015


    Space Launch System Scale Model Acoustic Test Liftoff Results and Comparisons

    Houston, Janice / Counter, Doug / Giacomoni, Clothilde | NTRS | 2015