Results 171 to 180 of about 9,060 (228)
Light‐Driven Electrohydrodynamic Instabilities in Liquid Crystals [PDF]
Advanced Functional Materials, 2018 The induction of electrohydrodynamic instabilities in nematic liquid crystals through light illumination are reported. For this purpose, a photochromic spiropyran is added to the liquid crystal mixture.
Dirk J Broer +2 more
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Electrohydrodynamics of a compound drop
Physical Review E, 2013The behavior of a compound drop, comprising two concentric fluid spheres, in a uniform electric field is studied analytically. The governing electrohydrodynamic equations are solved for Newtonian and immiscible fluids in the framework of leaky-dielectric theory and in the limit of small electric field strength and fluid inertia.
Ali, Behjatian, Asghar, Esmaeeli
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Development of an Electrohydrodynamic Micropump
2007 IEEE Industry Applications Annual Meeting, 2007An ion-drag pump consisting of microscale electrodes was built. The electrodes were fabricated as a series of planar comb fingers. The electrodes were paired as an emitter and a collector with a 10 mum width and 20 mum gap between them. The number of electrode pairs was 60 and the gap between the electrode pairs was 200 mum.
Ichiro Kano, Yosuke Shii, Tatsuo Nishina
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Electrohydrodynamic direct-writing
Nanoscale, 2013The electrohydrodynamic (EHD) direct-writing technique can be used to print solid/liquid straight/serpentine nanofibers onto a large-area substrate, in a direct, continuous, and controllable manner. It is a high-efficiency and cost-effective solution-processable technique to satisfy increasing demands of large-area micro/nano-manufacturing.
YongAn, Huang +6 more
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Fluctuations In Electrohydrodynamic Instability
AIP Conference Proceedings, 2005Electrohydrodynamic Convection in Liquid Crystals (EHC) is a good system for the experimental study of spatio‐temporal chaos. Particularly interesting is the behavior of the Nematic in presence of weak turbulence where ordered and disordered states are mixed.
F. BIANCO +4 more
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Magnetohydrodynamics and Electrohydrodynamics
The Physics of Fluids, 1962A close analogy is found and mathematically investigated between the dynamic behavior of a plasma in a magnetic field and that of a unipolarly charged fluid in an electric field. The general equations and some of their broad consequences are discussed. Unidirectional flow, small disturbances, and stability are compared for the two systems.
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Global attractors in electrohydrodynamics
International Journal of Engineering Science, 1997zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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1997
Abstract In many lab-on-a-chip applications the motions of the liquids or the solutes are controlled electrically. Therefore it is highly relevant to study electrohydrodynamics, i.e. the coupling of electromagnetism and hydrodynamics.
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Abstract In many lab-on-a-chip applications the motions of the liquids or the solutes are controlled electrically. Therefore it is highly relevant to study electrohydrodynamics, i.e. the coupling of electromagnetism and hydrodynamics.
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POLARITY INVERSION IN ELECTROHYDRODYNAMIC SPRAYING
Combustion Science and Technology, 2004An experimental study of polarity inversion effects in electrohydrodynamic spraying is developed by characterizing the several atomization regimes that can be observed by varying liquid flow rate and applied voltage. n-Heptane, doped with an antistatic additive, is atomized in a classical needle-to-plate system.
Ragucci R, Bellofiore A, Cavaliere A
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Electrohydrodynamic and Magnetohydrodynamic Convection
1992As (Rosensweig, 1985) points out, the interaction of electromagnetic fields and fluids has been attracting increasing attention due to applications in many diverse areas. He writes that the subject may be divided into three main categories: 1. Electrohydrodynamics (EHD), the branch of fluid mechanics concerned with electric force effects;
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