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- W2791706198 abstract "Rocket motors are used worldwide in both upper and booster stages.Solid rockets can provide high thrust for relatively low cost. Considering the large size of solid motors, these motors are to be designed as segmented motor cases. Segmented motor cases have to be joined by segment joint. Segment joint with tongue and groove configuration provides performance reliability in effective sealing of joints. A tongue-and-groove arrangement employs a pressure-energized metal seal which expands radially when the cylinders are internally pressurized. The radial expansion enhances the sealing effect of the metal seal between the tongue and the groove. Metal end rings welded to the shell motor cases and shear pins for the final assembly provides the sealing. The load sharing among the pins depends on the presence of the slit in a ring, whole & pin dimensional clearances, internal pressure and friction between the metal end rings. Structural analysis of a discontinuous metallic segment ring and shear pins iscarried out in this study. Structural analysis is based on detailed solid model for the segment joint. The load augmentation in the shear pin near the discontinuity is worked out based on a load augmentation factor derived out of FE analysis. The study further extended to a deviation in a nearby hole / pin combination at the vicinity of the discontinuity and is presented in this paper." @default.
- W2791706198 created "2018-03-29" @default.
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- W2791706198 date "2018-02-01" @default.
- W2791706198 modified "2023-09-26" @default.
- W2791706198 title "Margin of Safety Estimation of Tongue and Groove Joint of Rocket Motors with Discontinuous End Ring" @default.
- W2791706198 doi "https://doi.org/10.4028/www.scientific.net/amm.877.354" @default.
- W2791706198 hasPublicationYear "2018" @default.
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