water hammer(redirected from Fluid hammer)
Also found in: Thesaurus, Encyclopedia.
Related to Fluid hammer: water hammer
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.
(General Physics) a sharp concussion produced when the flow of water in a pipe is suddenly blocked
the concussion and accompanying noise that result when a volume of water moving in a pipe suddenly stops or loses momentum.