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Continuity equation

Created by Arthur Aslanyan (Nafta College), last modified on Jan 28, 2019

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Fluid flow conservation of mass

(1)	$\begin{array}{l}\displaystyle \frac{\partial \rho}{\partial t} + \nabla (\rho \, {\bf u}) = 0\end{array}$

For stationary fluid flow:

(2)	$\begin{array}{l}\displaystyle \frac{\partial \rho}{\partial t} = 0 \rightarrow \nabla (\rho \, {\bf u}) = 0\end{array}$

See also

Physics / Mechanics / Continuum mechanics / Fluid Mechanics / Fluid Dynamics / Fluid flow

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