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- W2008597641 abstract "A couplednite elementuid -structure interaction analysis of regeneratively cooled rocket combustion cham- bers, which allows the computation of the coolantow and the heat conduction between the coolant and the combustion chamber structure, is presented. Furthermore, the resulting elasto-plastic deformation of the combus- tion chamber under cyclic thermal and mechanical loading is analyzed. The developed solution strategy is applied to the prediction of the heat transfer and thermomechanical load-induced deformation process of the European rocket engine Vulcain. Based on the results, the failure mechanism of the combustion chamber and its governing parameters are identied. It is demonstrated that this mechanism signicantly reduces the lifetime of the rocket engine. Besides the conceptual design by the engineer, a mathematical optimization procedure based on thenite element model of the combustion chamber is investigated. This optimization method allows the improvement of an initial design with respect to anite number of design variables such that the stress, plastic strain, or temperature levels are decreased, and accordingly, the lifetime will be increased." @default.
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- W2008597641 date "2002-07-01" @default.
- W2008597641 modified "2023-10-09" @default.
- W2008597641 title "Thermomechanical Analysis and Optimization of Cryogenic Liquid Rocket Engines" @default.
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- W2008597641 doi "https://doi.org/10.2514/2.6007" @default.
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