Akis Berk - Determining the Pipe Friction Loss and Local...

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Determining the Pipe Friction Loss and Local Losses through a Closed Pumping System Aim: The purpose of this experiment is to analyze pipe friction loss coefficient with respect to nondimensional Re number in turbulence flow experimentally and to obtain energy line, hydraulic grade line and local losses. Moreover, it is aimed to get information about flow meters, venturi-meters and orifice-meters. Introduction: Pipe friction loss test which is a closed loop arrangement includes a straight, long pipe fed by centrifugal pump sucking water from a tank. Using a differential manometer connected to both sides of a unique piece of galvanized pipe head loss measurements are to be performed. Local loss experiment consists of a kind of piping system that goes out from a tank and have several minor loss components such as sudden contraction, expansion, elbos, valves, venturi- meters, orifice on the suction side of the pump. Fifteen piezometric tubes are placed on to appropriate points on the suction side of the in order to measure piezometric heads along the flow path. The flow-rate is determined manually by counting the flow per unit time using a chronometer. Purpose of the experiment: 1. To obtain experimental data of the Darcy-Weisbach pipe friction loss coefficient, λ with respect to non-dimensional Re number in turbulence flow. 2. To compare the experimentally derived friction factor with published values and to determine whether the variation of λ with the Reynolds number is matching with values on the Moody diagram. 3.
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Akis Berk - Determining the Pipe Friction Loss and Local...

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