Abstract
This paper reports the results of numerical simulations of the acoustics in a two-dimensional (plane) motor using a high-order accurate, low-dissipation numerical solver. For verification we compare solutions to Culick’s (AIAA J 4(8):1462–1464, 1966) asymptotic solution for constant injection, and to recent results of Hegab and Kassoy (AIAA J 44(4):812–826, 2006) for a space- and time-dependent mass injection. We present results when the injection boundary condition is described by propellant morphology and by white noise. Morphology strongly affects the amplitude of the longitudinal acoustic modes, and in this connection white noise is not a suitable surrogate.
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Communicated by M.Y. Hussaini.
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Daimon, Y., Jackson, T.L., Topalian, V. et al. Effect of propellant morphology on acoustics in a planar rocket motor. Theor. Comput. Fluid Dyn. 23, 63–77 (2009). https://doi.org/10.1007/s00162-008-0089-y
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DOI: https://doi.org/10.1007/s00162-008-0089-y