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Water Hammering

thread408-56614

Water Hammering

Water Hammering

(OP)
What do you mean by Water hammering when a check valve is used in a pipe line

RE: Water Hammering

improperly designed use of check valves is one of the main contributors to hydraulic transients, the slang name being watter hammer.

BobPE

RE: Water Hammering

Suggest you read ARD Thorley's Fluid Transients in Pipelines or go to www.valmatic.com and check out their technical papers on dynamics and selection of check valves

Sharing knowledge is a way to immortality

RE: Water Hammering

When a column of moving liquid (water?) (usually quickly) is suddenly stopped (the likes of a check valve - some worse than others)the energy of this column reverberates (back and forth) along the pipe line until dissipated - "hammer" is the result - much banging and crashing.
Usually a rethink of design as opposed to arrestors(like shock absorbers) is the go

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