Effect of propellant morphology on acoustics in a planar rocket motor

Y. Daimon; T. L. Jackson; V. Topalian; J. B. Freund; J. Buckmaster

doi:10.1007/s00162-008-0089-y

Effect of propellant morphology on acoustics in a planar rocket motor

Y. Daimon, T. L. Jackson, V. Topalian, J. B. Freund, J. Buckmaster

Research output: Contribution to journal › Article › peer-review

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.

Original language	English (US)
Pages (from-to)	63-77
Number of pages	15
Journal	Theoretical and Computational Fluid Dynamics
Volume	23
Issue number	1
DOIs	https://doi.org/10.1007/s00162-008-0089-y
State	Published - Mar 2009

Keywords

Acoustics
Fluid dynamics
Heterogeneous propellants
Numerical simulations
Solid rocket motor

ASJC Scopus subject areas

Computational Mechanics
Condensed Matter Physics
General Engineering
Fluid Flow and Transfer Processes

Online availability

10.1007/s00162-008-0089-y

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AU - Jackson, T. L.

AU - Topalian, V.

AU - Freund, J. B.

AU - Buckmaster, J.

PY - 2009/3

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Effect of propellant morphology on acoustics in a planar rocket motor

Abstract

Keywords

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