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- W4387144490 abstract "Abstract Pressure gain combustion is considered a possible path toward improved thermal cycle efficiency and reduced carbon emissions. However, ad-hoc turbine designs are required to maximize the thermodynamic potential; the new turbomachinery should be suited for the oscillations in flow conditions generated by the detonation combustor, which are very different from conventional gas turbines. This manuscript investigates the design, optimization, and analysis of diffusive stator vanes operating under large inlet flow angles in the high subsonic regime. First, the design methodology is outlined, focusing on the geometric requirements to ingest high Mach number flow and the parametric modeling of the endwall and the 3D vane pressure and suction sides. Then, the impact of the inlet flow angle on the flow field and vane design is studied through a multi-point, multi-objective optimization with three different inlet angles, performed using steady Reynolds Averaged Navier Stokes simulations. Remarkable reductions in pressure loss and stator-induced rotor forcing are attained while maintaining an extensive operating envelope and a high amount of turning. Finally, several design guidelines are provided based on analyzing the optimized geometries and the comparison with those optimized for axial inflows." @default.
- W4387144490 created "2023-09-29" @default.
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- W4387144490 date "2023-06-26" @default.
- W4387144490 modified "2023-10-18" @default.
- W4387144490 title "Design, Multi-Point Optimization and Analysis of Diffusive Stator Vanes to Enable Turbine Integration Into Rotating Detonation Engines" @default.
- W4387144490 doi "https://doi.org/10.1115/gt2023-101726" @default.
- W4387144490 hasPublicationYear "2023" @default.
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