A fuel grain for a rocket, the fuel grain having a plurality of layers of fuel grain material, each layer comprising a plurality of concentric circular structures of different diameter fused together to form a central opening therein, wherein the fuel grain material comprises an ignitable substance. The plurality of layers are stacked and joined securely to form a cylindrical fuel grain with the central opening of each one of the plurality of layers aligned to form a combustion unit extending axially through the fuel grain and bounded by a combustion surface, and wherein the fuel grain is configured to permit mixing of heterogenous materials to enhance thrust performance.


    Access

    Download


    Export, share and cite



    Title :

    3D-printed rocket fuel grains, rocket engines and an additive manufacturing process


    Contributors:

    Publication date :

    2024-10-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    F02K JET-PROPULSION PLANTS , Strahltriebwerke / B64G Raumfahrt , COSMONAUTICS



    Additive Manufacturing of Solid Rocket Propellant Grains

    Chandru, R. Arun / Balasubramanian, Nikhil / Oommen, Charlie et al. | AIAA | 2018


    Manufacturing Processes of Paraffin Grains as Fuel for Hybrid Rocket Engines

    Piscitelli, Filomena / Saccone, Guido / Gianvito, Antonio et al. | AIAA | 2015


    Manufacturing Processes of Paraffin Grains as Fuel for Hybrid Rocket Engines (AIAA 2015-4039)

    Piscitelli, Filomena / Saccone, Guido / Gianvito, Antonio et al. | British Library Conference Proceedings | 2015