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Unformatted text preview: D = Pipe or tubing inside diameter = Fluid density ε = roughness parameter V = Average fluid velocity Re = Reynolds number Figure reproduced from: Technical Paper No. 410, Flow of Fluids through Valves, Fittings, and Pipes , Crane Co., NY, Appendix A24, 1976. 4 of 4 Fanning Friction Factor and Pressure Drop Correlation 2 4 2 V D L f P F ρ = Δ where: Δ P = Pressure drop due to skin friction L = Length of flow path F f = Fanning friction factor, dimensionless D = Pipe or tubing inside diameter = Fluid density ε = roughness parameter V = Average fluid velocity Re = Reynolds number Figure reproduced from: Unit Operations of Chemical Engineering, 7 th ed. , W.L. McCabe, J.C. Smith, and P. Harriott, McGrawHill, NY, Fig. 5.10, p. 115, 2005....
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 Fall '11
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 Fluid Dynamics, Darcy, friction factor, Blasius friction factor

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