Results 111 to 120 of about 44,482 (164)

Harvesting the Spin-Orbit Interaction of Light to Generate Helicity-Dependent Complex Rotational Motion in Optically Trapped Mesoscopic Matter. [PDF]

Nanophotonics
Kumar RN, Nayak JK, Gupta SD, Ghosh N, Banerjee A.   +4 more
europepmc   +1 more source

Rotation reversal of chiral bacterial vortices.

Soft Matter
Htet PH, Lauga E.
europepmc   +1 more source

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Perception of tilt following counter‐rotation surgery

Clinical and Experimental Ophthalmology, 2010
AbstractBackground:  Macular translocation surgery (MTS) is one of the treatment options for age‐related macular degeneration (AMD) followed by counter‐rotation surgery (CRS) to correct the resulting tilt. The objective of this paper is to determine the perception of tilt following CRS and identify factors that influence the perception of tilt in the ...
David Wong, Damian Farnell, Jignasa Mehta   +2 more
exaly   +5 more sources

Two counter-rotating diffusing vortices

Physics of Fluids, 1995
The problem of the diffusion of two counter-rotating vortices of equal strength is studied numerically and analytically. Asymptotic expansions are derived for the limiting behavior of the solution for small times, for small Reynolds numbers, and for large times.
van Dommelen, Leon, Shankar, Subramaniam
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Spotting a counter-rotating galaxy

Proceedings of the International Astronomical Union, 2019
AbstractThe presence of counter-rotating (CR) components in galaxies is not that rare but their origin is still unclear. Important clues to the formation and evolution of CR galaxies are provided by galaxy kinematics, such as the mass distribution and the shape of the gravitational potential. In order to better understand the origin and incidence of CR
Michela Rubino, Alessandro Pizzella, Lorenzo Morelli   +2 more
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Counter-Rotating Propellers

The Journal of the Royal Aeronautical Society, 1940
AbstractThis paper is concerned mainly with that application of counter-rotating propellers referred to as “ dual-rotation ” propellers. This term is here defined to apply to a pair of oppositely-rotating propellers operating in close tandem, mounted on concentric shafts.
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A row of counter-rotating vortices

Physics of Fluids A: Fluid Dynamics, 1993
In 1967, Stuart [J. Fluid Mech. 29, 417 (1967)] found an exact nonlinear solution of the inviscid, incompressible two-dimensional Navier–Stokes equations, representing an infinite row of identical vortices which are now known as Stuart vortices. In this Brief Communication, the corresponding result for an infinite row of counter-rotating vortices, i.e.,
Mallier, R., Maslowe, S. A.
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Counter-rotating microplates at the Galapagos triple junction

Nature, 2005
An 'incipient' spreading centre east of (and orthogonal to) the East Pacific Rise at 2 degrees 40' N has been identified as forming a portion of the northern boundary of the Galapagos microplate. This spreading centre was described as a slowly diverging, westward propagating rift, tapering towards the East Pacific Rise.
Emily M, Klein, Deborah K, Smith, Clare M, Williams, Hans, Schouten   +3 more
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Counter-Rotating Quasigeostrophic Ellipsoidal Vortex Pair

Journal of the Physical Society of Japan, 2003
Summary: In geophysical flows, coherent vortex structures persist for long time and their interactions dominate the dynamics of geophysical turbulence. Miyazaki et al. derived a Hamiltonian dynamical system describing the interactions of \(N\) ellipsoidal vortices, where each coherent vortex was modeled by an ellipsoid of uniform potential vorticity ...
Miyazaki, Takeshi, Yamamoto, Masahiro, Fujishima, Shinsuke   +2 more
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Noise of counter-rotation propellers

9th Aeroacoustics Conference, 1984
Theory is presented for noise generation of counter-rotat ion (CR) propellers with special emphasis given to the effects of acoustic and aerodynamic interference between the two rotors. New radiation formulas are given for noise caused by unsteady loading.
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