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- W1961846030 abstract "In this paper, we present a novel numerical approach for predicting the fluid flow in a solid rocket motor chamber with burning propellant grain. We use a high-order technique to track the regressing grain surface. Spectral convergence toward the exact burning surface is achieved thanks to Fourier differentiation. For the computation of the internal chamber fluid flow, we make use of a body-fitted volume mesh deforming with the grain surface. We describe several methods to deform the volume mesh and to keep good mesh element quality without global remeshing. We then couple the surface and volume approaches and integrate them into a complex code for compressible, multispecies, turbulent flow simulations. Thanks to these methods, we are able to exhibit one of the first three-dimensional simulations of the internal flow in a realistic solid rocket motor coupled to complex grain surface regression. In prior work, burning grain surface methods have only been coupled with one-dimensional internal ballistics solvers." @default.
- W1961846030 created "2016-06-24" @default.
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- W1961846030 date "2015-11-01" @default.
- W1961846030 modified "2023-10-18" @default.
- W1961846030 title "Accurate Computation of Grain Burning Coupled with Flow Simulation in Rocket Chamber" @default.
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- W1961846030 doi "https://doi.org/10.2514/1.b35736" @default.
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