Mesh

Type

Symmetric multi-block structured with O-grid

Size

18M Elements

First layer dimensions

x+, y+, z+ = 12, 3, 12

Domain

Gas properties

Air ideal gas with Sutherland’s, Pr = 0.707

Time duration

6 Flow-throughs

Timestep size

1e−4 s

Timesteps per flow-through

424

RANS turbulence model

k-ω shear stress transport

Boundary conditions

Main inlet

Experimental velocity and turbulence profile

Plenum inlet

Mass flow inlet

Outlet

Static pressure opening with backflow

Sides

Translational periodic

Far wall

Symmetry

All other walls

Adiabatic no-slip

Solver settings

Advection scheme

RANS: high resolution, LES: central differencing

Turbulence numerics

2nd Order high resolution

Transient scheme

2nd Order backward Euler, 10 inner iterations