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finding various roughness constants

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October 29, 2012, 05:10	finding various roughness constants	#1
sujityadav New Member sujit Join Date: Oct 2012 Location: India Posts: 1 Rep Power: 0	i am doing analysis of falling film evaporation over the tubes....currently i am considered tubes of very fine surface finish....but now i want to set roughness to it...and for that i dont know the exact value of roughness constant & height for copper, alluminium material...so plz help me for knowing values..

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