VT-NASA CFD Turbulence Model Validation Challenge

A Blind Validation CFD Challenge Case for 3D Smooth-Body Turbulent Flow Separation

CREATe, Center for Research and Engineering in Aero/Hydrodynamic Technologies

Virginia Tech, Blacksburg, VA USA



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Overview


Image of Grid and BCs

BeVERLI Hill in VT Stability Tunnel with Boundary Conditions


Image of BeVERLI Hill in Tunnel

BeVERLI Hill in the 45 Degree Orientation


Currently Available Information

Timeline

Initial VT-NASA CFD Turb. Model Challenge Announcement Flyer (January 2023)

Interested in participating? Please contact Prof. Chris Roy: cjroy@vt.edu


Nominal Boundary Conditions for BeVERLI Hill Simulations

Reynolds Number, ReH
250,000
650,000
Stagnation Pressure, p0,in
94,220 Pa
94,450 Pa
Stagnation Temperature, T0,in
297 K
297 K
Outflow Pressure, poutflow
93,961 Pa
92,692 Pa
Reference Pressure, pref
93,974 Pa
92,771 Pa
Reference Velocity, Uref
21.11 m/s
55.22 m/s
Reference Mach Number, Mref
0.06
0.16
Reference Density, ρref
1.103 kg/m3
1.093 kg/m3
Turbulence Intensity, T.I.
0.021%
0.030%
Inflow Viscosity Ratio, (μt/μ)in
1.5
3.0
Inflow TKE, kin
2.9E-5 m2/s2
4.0E-4 m2/s2
Inflow Spec. Dissipation Rate, ωin
1.17 1/s
8.12 1/s
Inflow SA Working Variable, νin
4.5E-5
9.2E-5

Image of Grid Family

Example Grid Family for the BeVERLI Hill (45 Degree Orientation Shown)

Verification Case: 2D Bump-in-Channel

Additional Information


Interested in participating? Please contact Prof. Chris Roy: cjroy@vt.edu