Propellant Mass Fraction (pmf) calculation methods vary throughout the aerospace industry. While typically used as a means of comparison between competing launch vehicle designs, the actual pmf calculation method varies slightly from one entity to another. It is the purpose of this paper to present various methods used to calculate the pmf of a generic launch vehicle. This includes fundamental methods of pmf calculation which consider only the loaded propellant and the inert mass of the vehicle, more involved methods which consider the residuals and any other unusable propellant remaining in the vehicle, and other calculations which exclude large mass quantities such as the installed engine mass. Finally, a historic comparison is made between launch vehicles on the basis of the differing calculation methodologies.


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    Title :

    Propellant Mass Fraction Calculation Methodology for Launch Vehicles


    Contributors:

    Conference:

    American Institute of Aeronautics and Astronautics (AIAA) Space 2009 conference ; 2009 ; Pasadena, CA, United States


    Publication date :

    2009-09-14


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English






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