Surge tank

Rarity: Common

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At a glance

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Notion

Domain

Science and technology

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What Wikipedia says

A surge tank (or surge drum or surge pool) is a standpipe or storage reservoir at the downstream end of a closed aqueduct, feeder pipe, or dam to absorb sudden rises of pressure, as well as to quickly provide extra water during a brief drop in pressure.

Excerpt from the Wikipedia article “Surge tank”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: photo: Qurren (talk), CC BY-SA 3.0, via Wikimedia Commons.