Wall roughness height? -- CFD Online Discussion Forums

August 12, 2007, 11:43	Wall roughness height?	#1
Rodi Guest Posts: n/a	Hello everyone! I wish to model 2D turbulent flow in open channel with K-eps tuburlence model and the standard wall function.The roughness factor n in Chezy formula is 0.025. I dont know exactly what the roughness height is,or i needn't to change the default number 0 ? Thanks in advance.

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