In fluid dynamics, a

**potential flow**is described by means of a velocity**potential**φ, being a function of space and time. The**flow**velocity v is a vector field equal to the gradient, ∇, of the velocity**potential**φ: This implies that a**potential flow**is an irrotational**flow**.In this manner, what is viscous and inviscid flow?

**viscous flow**-

**Flows**in which the frictional effects are significant are called

**viscous flows**.

**inviscid flow**. Details. When two

**fluid**layers move relative to each other, a friction force develops between them and the slower layer tries to slow down the faster layer.

What is meant by creeping flow?

**Stokes flow**(named after George Gabriel

**Stokes**), also named

**creeping flow**or

**creeping**motion, is a type of fluid

**flow**where advective inertial forces are small compared with viscous forces. The Reynolds number is low, i.e. In technology, it occurs in paint, MEMS devices, and in the

**flow**of viscous polymers generally.

What do you mean by viscous flow?

The

**Viscous Flow**. Dictionary definitions –**Viscous flow**A type of**fluid flow**in which there is a continuous steady motion of the particles, the motion at a fixed point always remaining constant. Laminar or Laminary consisting of or like thin plates or layers; of or relating to a**fluid**, streamlined**flow**.