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Roughness height and Y+ and y

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June 24, 2013, 00:57	Roughness height and Y+ and y	#1
flow_CH Senior Member FHydro Join Date: Jan 2013 Posts: 197 Rep Power: 13	Hello I am modeling a concrete channel by Fluent. What is Roughness height and Y+ and y in defining concrete channel? I am confused what they are? I read all thread about thats but i don't know what they are. Is the Roughness height exactly the height found on standard charts (http://www.engineeringtoolbox.com/su...cts-d_209.html) thanks

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