A model for solid rocket motor residual thrust is built from the concept that hot nozzle phenolic or carbon materials provide a radiating source of heat flux to the insulation, leading to continued off-gassing by pyrolysis. This model is 1. Fitted to flight datasets and scaled to the Mars Ascent Vehicle second stage motor (MAV SRM2), and 2. Derived with MAV SRM2 design and material estimates. The two methods show a potential range of modeling uncertainty for use by mission analysts. Further loss methods that could reduce the maximum residual impulse are identified but left to further work to evaluate.


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    Titel :

    Residual Thrust in a Solid Rocket Motor: A Model Applied to the Mars Ascent Vehicle


    Beteiligte:

    Kongress:

    AIAA SciTech Forum and Exposition ; 2024 ; Orlando, FL, US



    Erscheinungsdatum :

    2024-01-08


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch