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Article | REF: BM4176 V1

Water hammer

Author: Marcel FRELIN

Publication date: January 10, 2002, Review date: September 1, 2016

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1. Mass water hammer

1.1 Continuity equation

The continuity or mass conservation equation of a one-dimensional flow is expressed by the relation :

∂(ρA)∂t+∂(ρAV)∂s=0( 1 )

This expression is valid for a stream, but in this theory we'll extend it to a pipe. In other words, we'll assume that the flow inside a...

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