Consider the curved duct of Prob. 6–40, except allow the
Chapter 6, Problem 38P(choose chapter or problem)
Problem 38P
Consider the curved duct of Prob. 6–40, except allow the cross-sectional area to vary along the duct (A1 ≠ A2). (a) Write an expression for the horizontal force Fx of the fluid on the walls of the duct in terms of the given variables. (b) Verify your expression by plugging in the following values: ρ = 998.2 kg/m3, A1 = 0.025 m2, A2 = 0.015 m2, β1 = 1.02. β2 = 1.04, V1 = 20 m/s, Pl.gage = 88.34 kPa, and P2.gage = 67.48 kPa.
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