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- W2000751003 abstract "The internal flow in a solid propellant rocket motor cold-flow model has been simulated via numerical solution of the ensemble-averaged Navier-Stokes equations and a modified k-r turbulence model. The modifications incorporated in the turbulence model utilize the ratio of the wall injection to the friction velocity as a relevant similarity parameter in characterizing the relative dominance of the injection effects over the boundary layer effects. This parameter is used in evaluating the turbulence kinetic energy and length scale at the porous surface. Furthermore, the low Reynolds number'' terms in the k-r turbulence model are also modified using this parameter. The modified turbulence model has been used with a linearized block-implicit code to simulate the internal flow in a nozzleless solid rocket cold-flow model. The computed results have been compared with the experimentally measured axial velocity, turbulence intensity, Mach number and pressure profiles." @default.
- W2000751003 created "2016-06-24" @default.
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- W2000751003 date "1989-07-12" @default.
- W2000751003 modified "2023-09-23" @default.
- W2000751003 title "On the use of k-epsilon turbulence model for computation of solid rocket internal flows" @default.
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- W2000751003 doi "https://doi.org/10.2514/6.1989-2558" @default.
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