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- W289509772 abstract "Abstract : We examined small deviations from axial symmetry in a solid-propellant rocket motor, and describe a 'bath-tub-vortex' effect, in which substantial axial vorticity is generated in a neighborhood of the chamber centerline. The unperturbed flow field is essentially inviscid at modest Reynolds numbers, even at the chamber walls, as has long been known, but the inviscid perturbed flow is singular at the centerline, and viscous terms are required to regularize it. We examine perturbations sufficiently small that a linear analysis is valid everywhere and larger perturbations in which a nonlinear patch is created near the centerline of radius. Our results provide and explanation of swirl experimentally observed by others, and a cautionary note for those concerned with numerical simulations of these flows, whether laminar or turbulent." @default.
- W289509772 created "2016-06-24" @default.
- W289509772 creator A5022641973 @default.
- W289509772 date "2001-06-01" @default.
- W289509772 modified "2023-09-28" @default.
- W289509772 title "Modelling of Composite-Propellant Flames" @default.
- W289509772 doi "https://doi.org/10.21236/ada399738" @default.
- W289509772 hasPublicationYear "2001" @default.
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