Written by the Fiveable Content Team โข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโขWritten by the Fiveable Content Team โข Last updated September 2025
Definition
The continuity equation states that the mass flow rate of a fluid is constant in a closed system, meaning that the amount of fluid entering a section must be equal to the amount leaving it.
Related terms
Fluid Dynamics: The study of how fluids (liquids and gases) behave when they are in motion.
Conservation of Mass: The principle stating that mass cannot be created or destroyed, only transferred or transformed.