Bulletin of the American Physical Society
77th Annual Meeting of the Division of Fluid Dynamics
Sunday–Tuesday, November 24–26, 2024; Salt Lake City, Utah
Session T29: Separated Flows: Simulation, Modeling, and Wakes
4:45 PM–6:29 PM,
Monday, November 25, 2024
Room: 255 A
Chair: Alexander Gehrke, Brown University
Abstract: T29.00003 : Prediction of compressor corner separation using large-eddy simulations*
5:11 PM–5:24 PM
Presenter:
Pawel J Przytarski
(University of Melbourne)
Authors:
Pawel J Przytarski
(University of Melbourne)
Rahul Agrawal
(Stanford University)
Matteo Dellacasagrande
(University of Genova)
Sanjeeb T Bose
(Cascade Technologies, Inc.)
Instead, in this work, we utilize HiPSTAR and charLES flow solvers to perform wall-resolved and wall-modeled LES, respectively. We replicate the setup and flow conditions as in the experiments of Dawkins et al. 2022 (J. Turbomachinery) and perform LES for three inflow angles. We validate LES in the variation of the end-wall loss and blockage with respect to the inflow angles. Overall, we characterize the computational requirements of LES and the impact of the numerical setup in capturing corner separations in compressors.
*This work was performed during the 2024 summer program at CTR Stanford. Dr. Przytarski acknowledges funding from the Marie Sklodowska-Curie Award (Grant #101026928). We used the computational resources of the ISCRA and US DoE OLCF facilities.
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