Problem 4.68[Difficulty: 2]CS cRxdV V θ y x Given:Water flowing past cylinderFind:Horizontal force on cylinderSolution:Basic equation: Momentum flux in x directionAssumptions: 1) Steady flow 2) Incompressible flow 3) Atmospheric pressure throughout 4) Uniform flowHenceRxu1ρ⋅u1−A1⋅()⋅u2ρ⋅u2A2⋅⋅+=0ρV−sinθ⋅⋅Va⋅b⋅⋅+=Rxρ−V2⋅a⋅b⋅sinθ⋅
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This note was uploaded on 10/19/2011 for the course EGN 3353C taught by Professor Lear during the Fall '07 term at University of Florida.