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I'm working on some fluid modeling, and I'm calculating my friction factor using Serghides' method, which, I'm sure you all know, is very accurate in relation to the Colebrook equation. The trouble is, I need to convince my boss that the Serghides equation has merit and is that accurate. When we were talking about it, he said to make a Moody diagram using Serghides' equation to prove to him that the lines were correct. I've got relatively limited software, just Excel right now, and I'm sure that I could plot a diagram as a function of relative roughness and Reynolds number that would yield the friction factor, but it looks to me like it needs to be in terms of f and Re yielding the relative roughness. Is that the case, and is there a method that I could use within Excel to plot the Moody diagram, or would I need something like MatLAB? Thanks.

Nevermind. Got it.

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# Relation between Serghides friction factor and Moody diagram

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