Water Hammer - Definition, Factors Affecting Water Hammering |
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DefinitionIf water is flowing through a channel and it is stopped abruptly i.e its momentum is broken so a pressure surge or wave results, this effect produced is called water hammer or hammer blow. This effect can be produced in any fluid. When a flow is stopped backwater effect is produced in which a wave of water moves against the flowing water. OR Water hammer is caused by a pressure or shock wave that travels through the pipes, generated by a sudden stop in the velocity of the water, or a change in the direction of flow. If the pipe is suddenly closed at the outlet, the mass of water before the closure is still moving forward with some velocity, building up a high pressure and shock waves. |
Water hammering Phenomenon can cause failure of fittings or burst pipes Factors contributing to water hammering
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