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                                                        Continuity Equation  

Continuity Equation states that in a steady flow process (flow where the flow rate do not change over time) through a control volume (the stored mass in the control volume do not change ) the inflow is equal to outflow.

Continuity equation is based on the the Law of Conservation of Mass , which says that mass can neither be created nor destroyed.


where ρ=mass density,

A= area of cross section,

V=velocity of flow.

Continuity equation is commonly used for pipes, tubes and ducts with flowing fluids or gases, rivers, overall processes as power plants, transportation etc.,

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Last updated on Sunday June 23, 2013