Fanno Rayleigh flow in pipes
Just a thought, but can commerical CFD solvers be used to model Fanno / Rayleigh flows?
Fanno flow requires a friction factor to be exact, so is it possible to consider a friction factor in the solver, or is it accounted for in the turbulence model?
Can Rayleigh flow be turbulent? Rayleigh flow neglects friction, but CFD solver apply wall laws, thus creating friction or is that a different 'type' of friction?
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