نتایج جستجو برای: debye hückel equation

تعداد نتایج: 232701  

2013
S. Tusch A. Kundu G. Verley T. Blondel V. Miralles D. Démoulin D. Lacoste J. Baudry

This potential has a short range repulsive part due to the electrostatics and a long-range attractive part due to the dipolar interaction as described in [? ]. It is expressed in units of kBT . We provide below the values of the experimental parameters entering in this potential corresponding to the τ = 2s experiment described in the main text. The electrostatic part of the potential is obtaine...

A new theory model based on the local composition concept (TNRF-modified NRTL (TNRF-mNRTL) model) was developed to express the short-range contribution of the excess Gibbs energy for the solutions containing polymer and electrolyte. An equation represented the activity coefficient of solvent was derived from the proposed excess Gibbs energy equation. The short-range contribution of interaction ...

Journal: :Journal of Chemical Physics 2021

In this work, we consider a lattice-gas model of charge regulation with electrostatic interactions within the Debye–Hückel level approximation. addition to long-range interactions, incorporates nearest-neighbor for representing non-electrostatic forces between adsorbed ions. The Frumkin–Fowler–Guggenheim isotherm obtained from mean-field analysis accurately reproduces simulation data points.

In this paper an alternative model allowing the extension of the Debye-Hückel Theory (DHT) considering time dependence explicitly is presented. From the Electro-Quasistatic approach (EQS) introduced in earlier studies time dependent potentials are suitable to describe several phenomena especially conducting media as well as the behaviour of charged particles (ions) in electrolytes. This leads t...

Journal: :Bulletin of the Chemical Society of Japan 1936

2012
A. M. Afonso F. T. Pinho M. A. Alves

This work presents a finite volume method used to solve the relevant coupled equations for general electro-osmotic flows of viscoelastic fluids, using the upper-convected Maxwell and the simplified Phan-Thien–Tanner models. Three different implementations of the electro-osmosis physical models were carried out, which depend on the required level of approximation. In the first implementation, th...

Journal: :Fluid Phase Equilibria 2022

The Debye-Hückel theory is probably the most widely used option for counting electrostatic forces in thermodynamic models. This work investigates effects of two important parameters – size ions and relative static permittivity solution. Three different activity coefficient models are analyzed compared 14 salt systems order to have a more complete picture capabilities limitations theory. three b...

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