Power number
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The power number Np (also known as Newton number) is a commonly used dimensionless number relating the resistance force to the inertia force.
- For Newton number, see also Kissing number in the sphere packing problem.
For use in arithmetic and algebra, see Exponentiation.
The power-number has different specifications according to the field of application. E.g., for stirrers the power number is defined as:[1]
with