NE
HW3Prob2

HW3Prob2 - A piping network is illustrated in the figure...

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Single Phase 05 1 A piping network is illustrated in the figure below. Water is pumped from a reservoir via two identical, parallel pump trains to a point characterized by a discharge pressure P dis . A static sight tube is located at a point along the discharge line. a) Develop the equations necessary to determine the liquid height H 2 in the sight tube b) Give a step by step solution procedure for determining H 2 . If a portion of the solution is iterative, it is sufficient to simply state this. You may assume the only local losses are those represented by the loss coefficients K 1 and K 2 , both of which are referenced to the velocity in the converged piping segments. You may also assume the friction factor is a known function of the Reynolds number. Sight Tube P P P H H L d L d L d d K K L d L d P atm atm dis p 1 1 1 1 1 2 2 1 2 2 1 3 4 1 2 Δ P p Δ SOLUTION If o P is the pressure at the base of the sight tube, then the height of the water in the sight tube is related to o P by g P P H gH P P atm

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