نتایج جستجو برای: soret

تعداد نتایج: 1031  

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2004
Adrian Lange

The ferrofluid dynamics theory is applied to thermodiffusive problems in magnetic fluids in the presence of magnetic fields. The analytical form for the magnetic part of the chemical potential and the most general expression of the mass flux are given. By applying these results to experiments, global Soret coefficients in agreement with measurements are determined. An estimate for a hitherto un...

2013
Sharidan Shafie

In this paper, the unsteady magnetohydrodynamics (MHD) free convection flow of an incompressible and electrically conduction fluid over a stretching surface under the influence of Soret and Dufour effects with thermophresis has been investigated. The governing equations are solved numerically by using implicit finitedifference scheme. The results of skin friction, the Nusselt number and the She...

2013
D. Srinivasacharya G. Swamy Reddy

The effects of double diffusive natural convection heat and mass transfer along a vertical plate embedded in a power-law fluid saturated Darcy porous medium in the presence of Soret and Dufour effects are studied. The governing partial differential equations are transformed into ordinary differential equations using similarity transformations and then solved numerically. A parametric study of t...

Journal: :Bulletin of the Chemical Society of Japan 1975

Journal: :The Journal of chemical physics 2007
Dmitri V Voronine Darius Abramavicius Shaul Mukamel

A simulation study demonstrates how coherent control, combined with adaptive polarization pulse shaping and a genetic algorithm, may be used to simplify femtosecond coherent nonlinear optical signals of excitons. Cross peaks are amplified and resolved, and diagonal peaks are suppressed in the heterodyne-detected two-pulse echo signal from the Soret band of a porphyrin dimer coupled to a Brownia...

Journal: :Physical Science International Journal 2023

This study examines the numerical solutions of an unsteady natural convection Couette flow a viscous, incompressible and electrically conducting fluid between two vertical parallel plates in presence thermal radiation, Soret Dufour. The fundamental dimensionless governing partial differential equations for impulsive movement plate are solved by method lines (MOL). simulations effects Dufour on ...

Journal: :Journal of the American Chemical Society 2010
Joshua H Palmer Alec C Durrell Zeev Gross Jay R Winkler Harry B Gray

The photophysical properties of Ir(III) corroles differ from those of phosphorescent porphyrin complexes, cyclometalated and polyimine Ir(III) compounds, and other luminescent metallocorroles. Ir(III) corrole phosphorescence is observed at ambient temperature at wavelengths much longer (>800 nm) than those of most Ir(III) phosphors. The solvatochromic behavior of Ir(III)-corrole Soret and Q abs...

Journal: :Physical review. E 2016
T R Kirkpatrick J M Ortiz de Zárate J V Sengers

In this article we derive expressions for Casimir-like pressures induced by nonequilibrium concentration fluctuations in liquid mixtures. The results are then applied to liquid mixtures in which the concentration gradient results from a temperature gradient through the Soret effect. A comparison is made between the pressures induced by nonequilibrium concentration fluctuations in liquid mixture...

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