An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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Kelvin-Helmholtz instability
  ناپایداری ِ کلوین-هلمهولتس  
nâpâydâri-ye Kelvin-Helmholtz (#)
Fr.: instabilité de Kelvin-Helmholtz  

An → instability raised when there is sufficient velocity difference across the interface between two uniformly moving → incompressible fluid layers, or when velocity → shear is present within a continuous fluid.

See also: → Kelvin-Helmholtz contraction; → instability.