Power number
The Newton number is a dimensionless number that describes the ratio of resistance to flow strength. It is defined as
And named after the English physicist Isaac Newton.
Use
Process engineering
Newton's number is a dimensionless measure of, for example, introduced into a stirring vessel, a stirring performance; as a definition:
.
It indicates what proportion of the power ( ) of an agitator actually stands as a hydraulic power ( ) is available.