The Onset of Instability in Exact Vortex
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Alexander Lifschitz; W.Henry Suters; J.Thomas Beale
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Article
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1996
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Elsevier Science
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English
⚖ 509 KB
developed recently by . They use approximations of WKB type, as in geometric optics, We study the time-dependent behavior of disturbances to inviscid vortex rings with swirl, using two different approaches. One is a valid for small amplitude, short wavelength disturbances. linearized stability anal