Statement of Need: Modern rockets operate at supercritical pressures with respect to the propellants. Need to understand mixing and combustion beyond liquid, gas states. Shear coaxial injectors are a common choice for cryogenic liquid rocket engines. Interactions of transverse acoustics with injector s own modes and mixing needs to be understood for combustion instability. Need to understand differences in response to pressure and velocity nodes. Understand what non-dimensional numbers capture the mixing of typical injectors. Characterize how geometry affects mixing.


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    Title :

    Mixing in Shear Coaxial Jets with and without Acoustics (Briefing Charts)


    Contributors:
    I. Leyva (author) / S. Teshome (author) / J. Rodriguez (author) / J. Graham (author) / D. Talley (author) / A. Karagozian (author)

    Publication date :

    2012


    Size :

    88 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English





    Mixing in Shear Coaxial Jets with and without Acoustics

    I. A. Leyva / S. Teshome / J. Rodriguez et al. | NTIS | 2012


    Acoustics of Under- and Over-Expanded Coaxial Jets

    Debiasi, M. / Papamoschou, D. / American Institute of Aeronautics and Astronautics | British Library Conference Proceedings | 1999


    Acoustics of under- and over-expanded coaxial jets

    Debiasi, Marco / Papamoschou, Dimitri | AIAA | 1999


    Turbulent mixing of coaxial jets

    Alpinieri, L.J. | Engineering Index Backfile | 1964