| Full text | |
| Author(s): |
Schiavo, Luiz A. C. A.
;
Wolf, William R.
;
Olson, Britton J.
;
Azevedo, Jodo Luiz F.
Total Authors: 4
|
| Document type: | Journal article |
| Source: | AIAA SCITECH 2021 FORUM; v. N/A, p. 13-pg., 2021-01-01. |
| Abstract | |
Wall-resolved large-eddy simulations are employed to investigate supersonic turbulent channel flows with isothermal walls. The present numerical simulations are performed using a highorder compact finite difference scheme with artificial fluid diffusivities. The flow conditions analyzed consider friction Reynolds numbers Re-tau approximate to 215, 285 and 970 and Mach numbers from 0.6 to 1 .7. Scaling effects are analyzed in terms of mean flow quantities and an investigation in terms of eddy advection velocities is presented for different streamwise wavelengths. We also examine Taylor's frozen-turbulence assumption in supersonic wall-bounded flows. The proper orthogonal decomposition (POD) and momentum potential theory (MPT) are applied to investigate the interactions between the near-wall motions and the large-scale flow modes of the inner and outer layers. (AU) | |
| FAPESP's process: | 16/03985-6 - Numerical Investigation of Compressibility Effects in Turbulent Boundary Layers |
| Grantee: | Luiz Augusto Camargo Aranha Schiavo |
| Support Opportunities: | Scholarships abroad - Research Internship - Doctorate |
| FAPESP's process: | 13/07375-0 - CeMEAI - Center for Mathematical Sciences Applied to Industry |
| Grantee: | Francisco Louzada Neto |
| Support Opportunities: | Research Grants - Research, Innovation and Dissemination Centers - RIDC |
| FAPESP's process: | 13/08293-7 - CCES - Center for Computational Engineering and Sciences |
| Grantee: | Munir Salomao Skaf |
| Support Opportunities: | Research Grants - Research, Innovation and Dissemination Centers - RIDC |
| FAPESP's process: | 14/07623-6 - Numerical study of the effect of a geometric disturbance in turbulent flows |
| Grantee: | Luiz Augusto Camargo Aranha Schiavo |
| Support Opportunities: | Scholarships in Brazil - Doctorate |