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    The Effect of Resistance on Rocket Injector Acoustics (2015)
    In:  CASI
    Details
    Publication Date: 2019-07-19
    Description: Combustion instability, where unsteady heat release couples with acoustic modes, has long been an area of concern in liquid rocket engines. Accurate modeling of the acoustic normal modes of the combustion chamber is important to understanding and preventing combustion instability. This study evaluates the effect of injector resistance on the mode shapes and complex eigen-frequencies of an injector/combustion chamber system by defining a high Mach-flow form of the convective wave equation (see Eq. 1) in COMSOL Multiphysics' Coefficient Form PDE Mathematics Module.
    Keywords: Fluid Mechanics and Thermodynamics; Numerical Analysis
    Type: M15-4797 , COMSOL Conference 2015; Oct 07, 2015 - Oct 09, 2015; Boston, MA; United States
    Format: application/pdf
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