Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Bezuglyy, Vlad"'
Publikováno v:
Phys. Rev. E 85, 061128 (2012)
We show that anomalous diffusion arises in two different models for the motion of randomly forced and weakly damped particles: one is a generalisation of the Ornstein-Uhlenbeck process with a random force which depends on position as well as time, th
Externí odkaz:
http://arxiv.org/abs/1203.1354
Publikováno v:
Journal of Fluid Mechanics 667, 158 (2010)
We discuss the reflection of light by a rheoscopic fluid (a suspension of microscopic rod-like crystals) in a steady two-dimensional flow. This is determined by an order parameter which is a non-oriented vector, obtained by averaging solutions of a n
Externí odkaz:
http://arxiv.org/abs/0910.5330
Suspensions of small anisotropic particles, termed 'rheoscopic fluids', are used for flow visualisation. By illuminating the fluid with light of three different colours, it is possible to determine Poincare indices for vector fields formed by the lon
Externí odkaz:
http://arxiv.org/abs/0903.3615
Autor:
Bezuglyy, Vlad
We study a particular generalisation of the classical Kramers model describing Brownian particles in the external potential. The generalised model includes the stochastic force which is modelled as an additive random noise that depends upon the posit
Externí odkaz:
http://arxiv.org/abs/0812.0692
We consider the patterns formed by small rod-like objects advected by a random flow in two dimensions. An exact solution indicates that their direction field is non-singular. However, we find from simulations that the direction field of the rods does
Externí odkaz:
http://arxiv.org/abs/0809.3120
Publikováno v:
Phys. Rev. Lett. 97 (2006) 048501
We show quantitatively how the collision rate of droplets of visible moisture in turbulent air increases very abruptly as the intensity of the turbulence passes a threshold, due to the formation of fold caustics in their velocity field. The formation
Externí odkaz:
http://arxiv.org/abs/cond-mat/0604166
Akademický článek
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Akademický článek
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Autor:
Bezuglyy, Vladyslav
This thesis covers various aspects of motion of small rigid particles in complex flows. It is in two parts. Part I is concerned with motion of small spherical particles. We study extensions of two classical models for diffusion of a particle driven b
Externí odkaz:
http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.505360