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Pipe Network Pipe network is analyzed based on: 1. Conservation of mass 2. Conservation of energy
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Conservation of mass At any node: Q in = Q out + Demand
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Conservation of energy Within each closed loop: H l1 = H l2 + H l3 Because energy loss between two nodes is independent of the flow path. H l1 H l2 H l3
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Hardy-Cross method is used to design pipe network. The method can be applied to a small network of several loops. Large network can not be designed because of the complexity and time consuming. Software such as WaterCAD can be used easily to design water networks.
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Flow Master First, Flow Master software is used to design a single pipe. It is a good practice understand several concepts of pipe flow. It is also a good startup for WaterCAD.
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