传质方程

传质方程

Equation of Continuity for Species A with Constant $\rho \mathscr{D}_{AB}$ in terms of $w_A$

控制方程表达通式：

$$\rho \dfrac {Dw_A}{Dt}=\rho \mathscr{D}_{AB}\nabla^2 w_A+r_A$$

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1.直角坐标系($x, y, z$)

直角坐标系Cartesian coordinates ($\textit { x,y,z }$):	NO.
ρ(∂wA∂t+vx∂wA∂x+vy∂wA∂y+vz