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Question 6.70: Normalize the continuity equation using a characteristic...

Normalize the continuity equation

\frac{\partial \rho }{\partial t} +\frac{\partial }{\partial x} (\rho u)+\frac{\partial }{\partial y} (\rho v)=0

using a characteristic velocity V, length l, density ρ_0, and time f^{-1}, where f is the frequency. What dimensionless parameter is introduced?

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