NASA NTRS · 19920066205
3D rocket combustor acoustics model
Abstract
The theory and procedures for determining the characteristics of pressure oscillations in rocket engines with prescribed burning rate oscillations are presented. Analyses including radial and hub baffles and absorbers can be performed in one, two, or three dimensions. Pressure and velocity oscillations calculated using this procedure are presented for the SSME to show the influence of baffles and absorbers on the burning rate oscillations required to achieve neutral stability. Comparisons are made between the results obtained utilizing 1D, 2D, and 3D assumption with regards to capturing the physical phenomena of interest and computational requirements.
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Priem, Richard J., Breisacher, Kevin J.. 1992-07-01. 3D rocket combustor acoustics model. https://ntrs.nasa.gov/citations/19920066205
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