Consider the laminar flow of incompressible liquid between two plates, one of them is transversaly oscillating:

From Bernoulli equation (energy conservation):

when Du<<u

From Continuity equation:

and finally

where

Account that the liquid is incompressible let's calculate the speed changes during the superseding phase:

Hence:

where :

and

device characteristics

(resistance to flow and

capacitance of flow):

Resistance = Potential/Flow

Capacitance = Storage/Potential

Let's compute both parameters:

where :

2

From Bernoulli equation (energy conservation):

From Continuity equation:

Account that the liquid is incompressible let's calculate the speed changes during the superseding phase:

Then:

Resistance = Potential/Flow

Capacitance = Storage/Potential

Let's compute both parameters: