pressure surge

pressure surge
A pressure spike/excursion moving through the pipeline at sonic velocity, produced by a sudden change in velocity of the moving stream that results from shutting down a pump station or pumping unit, closure of a valve or any other blockage of the moving stream.

Pipeline dictionary. 2013.

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  • Surge tank — A surge tank is a standpipe or storage reservoir at the downstream end of a closed aqueduct or feeder pipe as for a water wheel to absorb sudden rises of pressure and to furnish water quickly during a drop in pressure. Also known as surge drum.… …   Wikipedia

  • Surge — may refer to: *Surge (soft drink), a soft drink formerly made by The Coca Cola Company. *Jerk or surge, the rate of change of acceleration in physics *Storm surge, the onshore gush of water associated with a low pressure weather system… …   Wikipedia

  • surge — /serrj/, n., v., surged, surging. n. 1. a strong, wavelike, forward movement, rush, or sweep: the onward surge of an angry mob. 2. a strong, swelling, wavelike volume or body of something: a billowing surge of smoke. 3. the rolling swell of the… …   Universalium

  • surge tank — noun : a standpipe or storage reservoir at the downstream end of a closed aqueduct or feeder pipe (as for a water wheel) to absorb sudden rises of pressure and to furnish water quickly during a drop in pressure called also surge chamber * * * a… …   Useful english dictionary

  • surge — /sɜdʒ / (say serj) noun 1. a strong forward or upward movement, rush, or sweep, like that of swelling or rolling waves: the onward surge of an angry mob. 2. a strong, wavelike volume or body of something: a surge of smoke. 3. the rolling swell of …  

  • surge point — The value of the airflow and the pressure ratio at which surge occurs. Such a point can be decided for each combination of each value of the engine RPM. The line joining these points and plotted on a graph of the pressure ratio against the… …   Aviation dictionary

  • Surge (glacier) — Glacial surges are short lived events where a glacier can move up to velocities 100 times faster than normal, and advance substantially. Surging glaciers are clustered around a few areas. High concentrations of surging glaciers can be found in… …   Wikipedia

  • surge — n. & v. n. 1 a sudden or impetuous onset (a surge of anger). 2 the swell of the waves at sea. 3 a heavy forward or upward motion. 4 a rapid increase in price, activity, etc. over a short period. 5 a sudden marked increase in voltage of an… …   Useful english dictionary

  • surge tank — Container connected to the low pressure side of a refrigerating system which increases gas volume and reduces rate of pressure change …   Dictionary of automotive terms

  • surge tank — noun a tank designed to neutralize sudden changes of pressure in a flow of liquid …   English new terms dictionary

  • surge — [1] A drive problem where the vehicle on its own seems to gain power for a brief moment and then back down to the previous speed. The reason the engine will not run at a steady speed and surges is probably due to very lean air fuel mixture… …   Dictionary of automotive terms

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