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- W2920241540 abstract "The use of Multidisciplinary Design Optimization (MDO) techniques at the preliminary design phase (PMDO) of a gas turbine engine allows investing more effort at the pre-detailed phase in order to prevent the selection of an unsatisfactory concept early in the design process. Considering the impact of the turbine tip clearance on an engine’s efficiency, an accurate tool to predict the tip gap is a mandatory step towards the implementation of a full PMDO system for the turbine design. Tip clearance calculation is a good candidate for PMDO technique implementation considering that it implies various analyses conducted on both the rotor and stator. As a second step to the development of such tip clearance calculator satisfying PMDO principles, the present work explores the automation feasibility of the whole analysis phase of a turbine shroud segment and housing assembly preliminary design process, and the potential increase in the accuracy of results and time savings. The proposed conceptual system integrates a thermal boundary condition automated calculator and interacts with a simplified air system generator and with several design tools based on parameterized CAD models. Great improvements were found when comparing this analysis method results with regular pre-detailed level tools, as they revealed to be closer to the one generated by the detailed design tools used as target. Moreover, this design process revealed to be faster than a common preliminary design phase while leading to a reduction of time spent at the detailed design phase. By requiring fewer user inputs, this system decreases the risk of human error while entirely leaving the important decisions to the designer." @default.
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- W2920241540 date "2019-01-01" @default.
- W2920241540 modified "2023-09-25" @default.
- W2920241540 title "Automated Preliminary Thermal and Stress Analyses Applied to a Turbine Housing Assembly" @default.
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