Determine the vertical force per unit length

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1. Oil is supplied at the center of two long plates. The volumetric flow rate per unit length is Q and the plates remain a constant distance, b, apart. Determine the vertical force per unit length as a function of the Q, μ, L, and b.

2. Aviscous film drains uniformly down the side of a vertical rod of radius R. At some distance down the rod, the film approaches a terminal or fully developed flow such that the film thickness, h, is constant and vz = f(r). Neglecting the shear resistance due to the atmosphere, determine the velocity distribution in the film.

Reference no: EM131313784

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