2017
DOI: 10.1007/s12046-017-0620-1
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Effect of external pulsation on kinematics of fluid particles in the field of Lamb–Oseen vortex pair

Abstract: The effect of external pulsation on a pair of stationary Lamb-Oseen vortices of equal strength has been analyzed to investigate kinematic behavior of a fluid particle. The assumption of vortices being treated stationary or fixed vortex filaments is valid in a reference frame attached to the vortex system with axes along and perpendicular to the line of their centers. Also, it is assumed that change in core shape and size is much small, with least possibility of core merger. In such situations, periodic particl… Show more

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“…In the case of Lamb-Oseen vortices, there is a Gaussian distribution of vorticity with maximum vorticity at the centre of the vortex. The basic non-dimensional formulation of governing equations is derived by Pai et al [10] and is given by…”
Section: Formulation Of Particle Motion For a Pair Of Lamb-oseen Vort...mentioning
confidence: 99%
“…In the case of Lamb-Oseen vortices, there is a Gaussian distribution of vorticity with maximum vorticity at the centre of the vortex. The basic non-dimensional formulation of governing equations is derived by Pai et al [10] and is given by…”
Section: Formulation Of Particle Motion For a Pair Of Lamb-oseen Vort...mentioning
confidence: 99%