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    Topology Optimization of Solid Rocket Fuel

    Topology Optimization of Solid Rocket Fuel


    This paper investigates possible improvements in the combustion properties of multicomponent solid propellants through the application of topology optimization methods to representative volume element (RVE) of HMX-aluminum fuel. Design objectives for the material include increased thermal conductivity and reduced amounts of induced strains under thermal loads. The targeted increases in thermal conductivity generate designs that increase burn propagation rates, whereas the reductions in structural compliance minimize relative displacements within the design cell. Novel domain-filter treatments are also developed to better control the boundary effects on the resulting designs. A family of wire-like solutions is found to provide optimal combustion and structural properties. Burn performance estimates showed 52 and 33% improvements in burn propagation speeds relative to previous designs at, respectively, 20 and 200 atm.

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    Titel :

    Topology Optimization of Solid Rocket Fuel

    Beteiligte:
    Kirchdoerfer, Trenton (Autor:in) / Ortiz, Michael (Autor:in) / Stewart, Donald S. (Autor:in)
    Erschienen in:

    AIAA Journal ; 57 , 4 ; 1684-1690

    Erscheinungsdatum :

    2019-01-29

    Format / Umfang :

    7 pages

    ISSN :

    0001-1452 , 1533-385X

    DOI :

    https://doi.org/10.2514/1.J057807

    Medientyp :

    Aufsatz (Zeitschrift)

    Format :

    Elektronische Ressource

    Sprache :

    Englisch

    Schlagwörter :

    Topology Optimization , Solid Rockets , Thermal Conductivity , Solid Propellants , Material Properties , Solid Rocket Propellants , Thermal Expansion , Thermal Conduction , Monopropellants , Mass Flux

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