Results 251 to 260 of about 44,596 (308)

Numerical simulation of heat transfer and fluid characteristics in micro-channels with obliquely arranged capsule-shaped ribs and optimization study of structural parameters. [PDF]

PLoS One
Yao J, Li C, Shen Y, Wei Y, Zheng H, Feng H, Shao G, Yang J, Li Y.   +8 more
europepmc   +1 more source

A comprehensive assessment of the applicability of semianalytical models of vortex characterization for gravitational water vortex hydropower plants. [PDF]

Sci Rep
Duarte Garcia M, Posada Montoya JA, Chica E, Hincapie Montoya JF, Velásquez L, Patiño Arcila ID.   +5 more
europepmc   +1 more source

Generalized helical vortex structures

, 2017
Duran-Venegas, Eduardo, Le Dizès, Stéphane   +1 more
openaire   +1 more source

Dynamic realization of emergent high-dimensional optical vortices. [PDF]

Nat Commun
Kim D, Park G, Choi YS, Baucour A, Hwang J, Kim J, Park S, Yun HS, Shin J, Wang H, Fan S, Yoon DK, Seo MK.   +12 more
europepmc   +1 more source

Research on the Design of Micromixer Based on Acoustic Streaming-Driven Sharp-Edge Structures. [PDF]

Sensors (Basel)
Bai K, Qiao H, Cai J, Hu J, Wang Z.
europepmc   +1 more source

Ultrasound-induced Particle Dynamics in Pathological Vascular Vortices

Medany M, Nama N, Ahmed D.
europepmc   +1 more source

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Improving vortex tube performance based on vortex generator design

Energy, 2014
Abstract The effect of vortex generator parameters (Cold orifice angle, Cold orifice diameter and Nozzle area) on vortex tube performance is investigated experimentally. Vortex tube is connected to a natural gas pipeline with constant pressure of 4 bars.
Mahmood Farzaneh-Gord, Meisam Sadi
openaire   +3 more sources

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
openaire   +2 more sources

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
openaire   +2 more sources

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
openaire   +2 more sources