On the stability of vortex rings
WebIn nature, vortex rings are found to occur in various shapes and sizes. Perhaps the most familiar example is the smoke-ring which is produced when cigarette smoke is... Skip to … Web27 de mar. de 1973 · Attention was also given to the stability of vortex rings at this time, with analytical (Widnall and Sullivan (1973), Widnall et al. (1974), Widnall and Tsai …
On the stability of vortex rings
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WebThis one is produced by Mount Etna on May 2nd, 2024 #Physics: Smoke rings are formed when a puff of smoke is expelled from a circular opening, creating a vortex ring of swirling air. The vortex ... Web20 de abr. de 2006 · Abstract. The evolution of a vortex ring in an ideal fluid under self-induction from a flat and elliptic configuration is followed numerically using the cut-off …
Web13 de abr. de 2024 · To overcome this problem, vortex cut and vortex ring models can be used to handle the discontinuous potential on the toroidal bubble surface. In this work, we compare these two models applied to toroidal bubble dynamics in a free field and near a rigid wall in terms of bubble profile, bubble gas pressure, and dynamic pressure induced … WebNew applications for optical vortex interferometers (OVIs) are under investigation. The precision of the OVI depends strongly on the accuracy of positioning of the vortex …
Web12 de abr. de 2024 · An on-chip integrated visible microlaser is a core unit of visible-light communication and information-processing systems and has four requirements: robustness against fabrication errors, a compressible linewidth, a reducible threshold, and in-plane emission with output light directly entering signal waveguides and photonic circuits ( 10, … WebA series of observations on experimentally produced vortex rings is described. The flow field, ring velocity and growth rate were observed using dye and hydrogen-bubble …
Web11 de abr. de 2013 · We also find solutions for the problem of three vortex rings, which describe both the regular and chaotic leapfrogging motion of vortex rings. ... A Note on the Stability of a Vortex Ring of Small …
Web21 de nov. de 2016 · The stability of vortex rings with an azimuthal component of velocity is investigated numerically for various combinations of ring wavenumber and swirl magnitude. The vortex rings are equilibrated from an initially Gaussian distribution of azimuthal vorticity and azimuthal velocity, at a circulation-based Reynolds number of 10 … rcw catalytic converter theftWebWidnall, S. & Sullivan, J. I973 On the stability of vortex rings. Proc. R. Soc. Lond. A 332, 335. Yuen, H. C. 1974 The stability of a vortex ring with axial flow, buoyancy forces and electric charges. 537. Title: A Note on the Stability of a … rcw causationWebDownload scientific diagram Model of a turbocharger with floating-bearing rings. The sketch on the right-hand side shows a cross-section through a bearing which features an oil-inlet groove in ... rcw cause of deathWebthe stability of a vortex ring in close proximity to another vortex ring. The analysis followed the approach used by Widnall & Sullivan (1973) for the long-wavelength … simulation using promodel pdfWebAbstract. We revisit the stability of an elliptically strained vortex and a thin axisymmetric vortex ring, embedded in an inviscid incompressible fluid, to three-dimensional … simulation was aborted by user on serverWebThe circulation of a steady vortex ring ζis given by 1 2π Z R3 ζ(x)dx. A steady vortex ring ζis said to be centralized if ζis symmetric non-increasing in z, namely, ζ(r,z) = ζ(r,−z), and … simulation viagerWebAbstract. We revisit the stability of an elliptically strained vortex and a thin axisymmetric vortex ring, embedded in an inviscid incompressible fluid, to three-dimensional disturbances of infinitesimal amplitude. The results of Tsai & Widnall (1976) for an elliptically strained vortex are simplified by providing an explicit expression for the ... simulation vehicle dynamics