(Solved): Consider the steady, incompressible, parallel, laminar flow of a film of oil falling slowly down an ...

Consider the steady, incompressible, parallel, laminar flow of a film of oil falling slowly down an infinite vertical wall as sketched. The oil film thickness is h , and gravity acts in the negative z direction (downward in the figure). There is no applied (forced) pressure driving the flow; the oil falls by gravity alone. Derive a formula for the velocity profile using Navier-Stokes equations: What will be the absolute value of velocity at

?