NEWTON’S LAW
OF VISCOSITY :-
NEWTON’S LAW
OF VISCOSITY STATES THAT “ SHEAR STRESS IS DIRECTLY PROPORTIONAL TO VELOCITY
GRADIENT ”.
THAT IS THE SHEAR STRESS BETWEEN THE TWO ADJACENT LAYERS OF FLUID IS DIRECTLY PROPORTIONAL TO THE NEGATIVE VALUE OF THE VELOCITY GRADIENT BETWEEN THE SAME TWO ADJACENT FLUID LAYERS.
MATHEMATICALLY
THE LAW CAN BE STATED AS :-
τyx =
- µ dVx / dy
...
