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Power number information


For Newton number, see also Kissing number in the sphere packing problem.

The power number Np (also known as Newton number) is a commonly used dimensionless number relating the resistance force to the inertia force.

The power-number has different specifications according to the field of application. E.g., for stirrers the power number is defined as:[1]

with

  • P: power
  • ρ: fluid density
  • n: rotational speed in revolutions per second
  • D: diameter of stirrer
  1. ^ Cite error: The named reference Seinfeld1991 was invoked but never defined (see the help page).

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Power number

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For Newton number, see also Kissing number in the sphere packing problem. The power number Np (also known as Newton number) is a commonly used dimensionless...

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