A reducing bend has a linear velocity at section 1. See Figure 4. The flow is uniform at sections 2 and 3. The fluid is incompressible and the flow is steady. The fluid is has specific weight γ = 64.4lb/ft3 and density ρ = 2slug/ft3. Assume unit depth into the page. (a) Find the magnitude and direction of the uniform velocity at section 3. (b) What’s the momentum of the fluid entering the reducer bend?

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A: For solution refer below images.

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Applied Fluid Mechanics

A fluid is a substance that is continuously deformed by the application of shear stress. The rate of deformation of a fluid depends on its viscosity. The fluid tries to flow when it interacts with some other system.