water hammer

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Related to Fluid hammer: water hammer

water hammer

n.
1. A banging noise heard in a water pipe following an abrupt alteration of the flow with resultant pressure surges.
2. A banging noise in steam pipes, caused by steam bubbles entering a cold pipe partially filled with water.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

water hammer

n
(General Physics) a sharp concussion produced when the flow of water in a pipe is suddenly blocked
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

wa′ter ham`mer


n.
the concussion and accompanying noise that result when a volume of water moving in a pipe suddenly stops or loses momentum.
[1795–1805]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.water hammer - the banging sound of steam in pipes
clap, bam, bang, blast, eruption - a sudden very loud noise
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
A sudden flow reduction can mean a valve closes rapidly, resulting in water hammer - also called fluid hammer or hydraulic shock - a pressure surge or wave resulting when a fluid stops or changes direction suddenly.
The following equation determines the maximum pressure change that occurs during a fluid hammer. The equation assumes that the piping is inelastic.
Now a development from the oil industry offers a fluid hammer that is powered from the regular mud system.