Viscous Flow in Pipes.pdf
Viscous Flow in Pipes.pdf
Viscous Flow in Pipes.pdf
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Total stress• Total stressduτ = μ − ρu′ υ′= τlam+ τdyif the flow is lam<strong>in</strong>ar, u′ = υ′ = 0, u′ υ′= 0−ρu′ υ′ ( −ρυ′ w′, K)--Reynolds stresses• Structure of turbulent flow <strong>in</strong> a pipeturb