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Fluid-structure interaction and thermal performance: a numerical study on crossflow heat exchangers with aerodynamically optimised splitter elements. [PDF]

Sci Rep
Kaushik S, Singh H, Kumar A, Kishore C, Pati PR, Chamoli S, Giri J, Kanan M.   +7 more
europepmc   +1 more source

Fish Scale-Inspired Flow Control for Corner Vortex Suppression in Compressor Cascades. [PDF]

Biomimetics (Basel)
Shen JL, Yang HC, Yeh SI.
europepmc   +1 more source

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Caustics of the vortex beams generated by vortex lenses and vortex axicons

Journal of the Optical Society of America A, 2020
In this work, the propagation of vortex beams is treated using a catastrophe theory approach. Analytic expressions are deduced to describe caustic surfaces produced by vortex lenses and vortex axicons. The obtained analytics allow us to explain the formation of the shadow region along the optical axis for vortex beams using ...
Sergey I. Kharitonov, Svetlana N. Khonina, Sergey G. Volotovskiy, Nikolay L. Kazanskiy   +3 more
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Interferometric optical vortex array generator

Applied Optics, 2007
Two new interferometric configurations for optical vortex array generation are presented. These interferometers are different from the conventional interferometers in that they are capable of producing a large number of isolated zeros of intensity, and all of them contain optical vortices. Simulation and theory for optical vortex array generation using
Sunil, Vyas, P, Senthilkumaran
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Terahertz vortex generation methods in rippled and vortex plasmas

Journal of the Optical Society of America A, 2019
Terahertz vortices have strong potential for many applications such as imaging and sensing in medicine, biomedical engineering, rotations of molecules, quantum condensation, optical tweezers, manipulation of electron beams, and communications. However, owing to recent developments, there has been less research about vortex generation in the terahertz ...
Hassan Sobhani, Elham Dadar
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Generation of vortex lightbeams

MIPPR 2019: Multispectral Image Acquisition, Processing, and Analysis, 2020
Generally, the vortex lightwaves are beams that propagates helically along an axis. In an optical vortex, light is twisted. Due to their twisting property, the light at the position of the axis cancels each other. If the vortex is projected onto a plane, its image looks like a halo, with a dark area without light in the middle.
Chang Liu, Dong Wei, Mingce Chen, Xinyu Zhang   +3 more
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Generalized transport vortex method

Computers & Fluids, 2007
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Zhao, J., Chew, Y.T., Luo, S.C., Pan, L.S., Wu, J.K.   +4 more
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Intracavity vortex beam generation

SPIE Proceedings, 2011
In this paper we explore vortex beams and in particular the generation of single LG0l modes and superpositions thereof. Vortex beams carry orbital angular momentum (OAM) and this intrinsic property makes them prevalent in transferring this OAM to matter and to be used in quantum information processing.
Darryl Naidoo, Kamel Aït-Ameur, Andrew Forbes   +2 more
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Vortex Ring Generator

1998
Abstract : The U.S. Marine Corps Joint Nonlethal Weapons Directorate tasked the U.S. Army to demonstrate a means of quickly converting the Navy MK19-3 automatic 40-mm grenade launcher between lethal and nonlethal modes of operation. The Army Research Laboratory (ARL) teamed with the Armament Research and Development Engineering Center (ARDEC) to ...
Louis Jasper, George Lucey
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Viscous vortex core generation

Acta Mechanica, 1987
The unsteady flow of a viscous incompressible fluid between two porous co-axial circular cylinders is analysed when the outer cylinder is impulsively set into rotation. When there is a radial inflow, vorticity is transferred from an unsteady boundary layer initially over the outer cylinder to a steady boundary layer over the inner cylinder.
Bellamy-Knights, P. G., Saci, R.
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