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Ruark number

  1. Dimensionless numbers of fluid mechanics
  2. Fluid dynamics
  3. Fluid dynamics stubs


The Ruark number (RU) is a dimensionless number seen in fluid mechanics.

It is defined as:

\[Ru = \frac{\rho u^2}{P}\,\]

where:

  • \(\rho = \) density
  • \(u = \) velocity
  • \(p = \) pressure


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Dimensionless numbers in fluid dynamics
  • Archimedes
  • Atwood
  • Bagnold
  • Bejan
  • Biot
  • Bond
  • Brinkman
  • Capillary
  • Cauchy
  • Damköhler
  • Dean
  • Deborah
  • Eckert
  • Ekman
  • Eötvös
  • Euler
  • Froude
  • Galilei
  • Graetz
  • Grashof
  • ‎Görtler
  • Hagen
  • Keulegan–Carpenter
  • Knudsen
  • Laplace
  • Lewis
  • Mach
  • Marangoni
  • Morton
  • Nusselt
  • Ohnesorge
  • Péclet
  • Prandtl (magnetic
  • turbulent)
  • Rayleigh
  • Reynolds (magnetic)
  • Richardson
  • Roshko
  • Rossby
  • Rouse
  • Ruark
  • Schmidt
  • Sherwood
  • Shields
  • Stanton
  • Stokes
  • Strouhal
  • Stuart
  • Suratman
  • Taylor
  • Ursell
  • Weber
  • Weissenberg
  • Womersley
Stub icon This fluid dynamics-related article is a stub. You can help Oilfield Wiki by expanding it.
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es:Número de Ruark

fa:عدد روآرک it:Numero di Ruark ru:Число Руарка

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