vorticity
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English
Etymology
Noun
vorticity (countable and uncountable, plural vorticities)
- (mathematics, fluid dynamics) A property of a fluid flow related to local angular rotation; defined as the curl of the flow's velocity field.
- 2004, Zhu Xun, Li Xiaofan, Cai Ming, Observation, Theory And Modeling Of Atmospheric Variability, →ISBN, page 13:
- It might sound puzzling that the ageostrophic geopotential (or the ageostrophic pressure in z-coordinate) has no impact on the evolution of the vorticity of a quasi-geostrophic disturbance and yet it affects the perturbation kinetic energetics (not globally but locally).
- 2009 February 20, William M. Durham et al., “Disruption of Vertical Motility by Shear Triggers Formation of Thin Phytoplankton Layers”, in Science, volume 323, number 5917, , pages 1067–1070:
- This results from the vorticity component of shear, whereas elongated cells would further be affected by the rate of strain component.
- 2013 March, Frank Fish, George Lauder, “Not Just Going with the Flow”, in American Scientist, volume 101, number 2, archived from the original on 1 May 2013, page 114:
- An extreme version of vorticity is a vortex. The vortex is a spinning, cyclonic mass of fluid, which can be observed in the rotation of water going down a drain, as well as in smoke rings, tornados and hurricanes.