Mass flux
= Mass flux
Mass flux is the <mass> crossing a unit area per unit time. In a one-dimensional flow it is $\rho u$. Integrating its normal component over a surface gives the <mass flow rate>.
= Mass flux
Mass flux is the <mass> crossing a unit area per unit time. In a one-dimensional flow it is $\rho u$. Integrating its normal component over a surface gives the <mass flow rate>.