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RANS and DNS study of buffet in subsonic and transonic flow

Publication ,  Conference
Kruger Bastos, KM; Dowell, EH
Published in: International Forum on Aeroelasticity and Structural Dynamics 2019, IFASD 2019
January 1, 2019

© Universal Technology Corporation, 2018. This document explores a fluid instability known as buffet, which occurs in the subsonic, transonic and supersonic/hypersonic regimes. Buffet has been observed in experiments and various computational studies, and yet its underlying physics are not well-established. The goal of this study is to provide insight into various configurations which produce subsonic buffet and attempt to understand the flow physics at play. Both Reynolds Averaged Navier Stokes (RANS) and Direct Numerical Simulation of the Navier Stokes Equations (DNS) simulations were performed. Preliminary results for the study of transonic buffet over a range of angles of attack are also presented.

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Published In

International Forum on Aeroelasticity and Structural Dynamics 2019, IFASD 2019

Publication Date

January 1, 2019
 

Citation

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Kruger Bastos, K. M., & Dowell, E. H. (2019). RANS and DNS study of buffet in subsonic and transonic flow. In International Forum on Aeroelasticity and Structural Dynamics 2019, IFASD 2019.
Kruger Bastos, K. M., and E. H. Dowell. “RANS and DNS study of buffet in subsonic and transonic flow.” In International Forum on Aeroelasticity and Structural Dynamics 2019, IFASD 2019, 2019.
Kruger Bastos KM, Dowell EH. RANS and DNS study of buffet in subsonic and transonic flow. In: International Forum on Aeroelasticity and Structural Dynamics 2019, IFASD 2019. 2019.
Kruger Bastos, K. M., and E. H. Dowell. “RANS and DNS study of buffet in subsonic and transonic flow.” International Forum on Aeroelasticity and Structural Dynamics 2019, IFASD 2019, 2019.
Kruger Bastos KM, Dowell EH. RANS and DNS study of buffet in subsonic and transonic flow. International Forum on Aeroelasticity and Structural Dynamics 2019, IFASD 2019. 2019.

Published In

International Forum on Aeroelasticity and Structural Dynamics 2019, IFASD 2019

Publication Date

January 1, 2019