- 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
References
- ^ Seinfeld, John H (1991). Wei, J; Anderson, J L; Bischoff, K B (eds.). Advances in Chemical Engineering. Academic Press. p. 44. ISBN 978-0-08-056564-4.
 | This fluid dynamics–related article is a stub. You can help Wikipedia by expanding it. |
- 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
References
- ^ Seinfeld, John H (1991). Wei, J; Anderson, J L; Bischoff, K B (eds.). Advances in Chemical Engineering. Academic Press. p. 44. ISBN 978-0-08-056564-4.
|
| This fluid dynamics–related article is a stub. You can help Wikipedia by expanding it. |