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- W2389874765 abstract "Solid propellant grain is easy to deform under ignition gas stress,however,the deformed grain would affect the gas flow path,and it is so - called Fluid - Structure Interaction(FSI) phenomenon in ignition transient of large aspect ratio Solid Rocket Motor(SRM).For large - sized and medium - sized SRM,the complex process lasts only for a few even less than one - tenth seconds,but failure probability is comparatively higher.Using MpCCI coupler as the data exchange platform of FLUENT and ANSYS analysis software in this paper,the FSI in ignition process of large aspect ratio SRM with radial wing slot was simulated.The results showed that ignition gas flow coupled with grain deformation strong in ignition transient of this type SRM,the grain deformation occurred mainly at the cusp of radial wing slot,and pricking up along with ignition process advancing.The distribution of grain displacement and stress field were calculated under the impact of ignition stress,and the research results would make certain groundwork for applying FSI technology to SRM." @default.
- W2389874765 created "2016-06-24" @default.
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- W2389874765 date "2009-01-01" @default.
- W2389874765 modified "2023-09-25" @default.
- W2389874765 title "Numerical Analysis of Fluid-Structure Interaction in Ignition Process for Solid Rocket Motor with Radial Wing Slot" @default.
- W2389874765 hasPublicationYear "2009" @default.
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