Acoustic velocity potential
= Acoustic velocity potential
For irrotational linear acoustic flow, $\mathbf u=\nabla\phi$, $p'=-\rho_0\phi_t$, and $\phi$ obeys the wave equation.
= Acoustic velocity potential
For irrotational linear acoustic flow, $\mathbf u=\nabla\phi$, $p'=-\rho_0\phi_t$, and $\phi$ obeys the wave equation.