pisoFoam turbulent case looks like laminar case -- CFD Online Discussion Forums

August 16, 2013, 04:31	pisoFoam turbulent case looks like laminar case	#1
inf.vish Member Vishal Join Date: Jul 2013 Posts: 73 Rep Power: 13	Hi all, I am using pisoFoam to simulate a simple turbulent flow through a pipe. I have used 2D axisymmetric wedge to perform this simulation. The pipe dimensions are Radius = 0.1m and length = 8m. Fluid used is water. Inlet velocity is 50m/s which makes the Reynold number 10^7. The problem is that the flow looks like a laminar flow after running the case. Can you point out what is wrong? Also, if i want that my pipe has surface roughness then should i use nutkroughwallfunction?

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