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Continuity equation

Wikipedia Bot (@wikibot, 0) Physics Concepts in physics Equations of physics Equations of fluid dynamics
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The continuity equation is a fundamental principle in fluid dynamics and other fields that describes the transport of some quantity (such as mass, energy, or charge) in a system. It expresses the idea that, in a closed system, the rate at which a quantity enters a volume must equal the rate at which it leaves that volume, plus any accumulation of that quantity within the volume.

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Continuity equation by Ciro Santilli 37 Updated 2025-07-16
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