نتایج جستجو برای: dielectric liquid

تعداد نتایج: 254540  

2002
Hermann Weingärtner

The equilibrium properties of electrolyte solutions over wide ranges of concentration, temperature, and solvent dielectric constant are discussed on a corresponding-states basis. If low-melting salts are used, these properties can be studied up to the pure fused salt. We mainly focus on systems at low reduced temperature, where the depth of the interaction potential is large compared with the t...

2013
M. Y. Ismail M. Hashim W. N. Zaihasra

The emerging field of communications has increased the demand of electronically tunable reflectarray antennas. Substrate material properties play at1 important role in the design of reflectamy antennas. Variable permittivity materials such as liquid crystals and fenoelectrics have received great deal of attention due to their non-linear material properties. A comparative analysis behveen the pr...

Journal: :Analytical sciences : the international journal of the Japan Society for Analytical Chemistry 2008
Tsuyoshi Tsuruta Satoshi Tsukahara Terufumi Fujiwara

This study presents a new microscopic method for the measurements of the deformation of liquid surfaces induced by a localized direct current (dc) electric field in a noncontact manner. Since the dielectric constant of aqueous and organic liquids is larger than that of air, the liquids tend to occupy a space with a stronger electric field. The horizontal level of transparent surfaces was measur...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2010
B F de Oliveira P P Avelino F Moraes J C R E Oliveira

In this paper we investigate the coarsening dynamics of liquid crystal textures in a two-dimensional nematic under applied electric fields, using numerical simulations performed using a publicly available liquid crystal algorithm developed by the authors. We consider both positive and negative dielectric anisotropies and two different possibilities for the orientation of the electric field (par...

2008
Niru Kumari Vaibhav Bahadur Suresh Garimella S V Garimella

Electrical actuation of liquid droplets at the microscale offers promising applications in the fields of microfluidics and lab-on-a-chip devices. Much prior research has targeted the electrical actuation of electrically conducting liquid droplets; however, the actuation of dielectric droplets has remained relatively unexplored, despite the advantages associated with the use of a dielectric drop...

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