Pressure drop

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Science and technology

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What Wikipedia says

Pressure drop (often abbreviated as "dP" or "ΔP") is defined as the difference in total pressure between two points of a fluid carrying network. A pressure drop occurs when frictional forces, caused by the resistance to flow, act on a fluid as it flows through a conduit (such as a channel, pipe, or tube).

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