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3 edition of Computer simulation of uphill diffusion in ternary ionic system found in the catalog.

Computer simulation of uphill diffusion in ternary ionic system

Computer simulation of uphill diffusion in ternary ionic system

  • 188 Want to read
  • 5 Currently reading

Published by National Aeronautics and Space Administration in Washington, DC .
Written in English

    Subjects:
  • Ion exchange.

  • Edition Notes

    StatementTakashi Yamagishi, Kiyosumni Fujii, and Shigeo Kitsutaka.
    SeriesNASA technical translation -- NASA TT-20194., NASA technical translation -- 20194.
    ContributionsFujii, Kiyosumi., Kitsutaka, Shigeo., United States. National Aeronautics and Space Administration.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL15285979M

    This new, fully revised and expanded edition of Ionic Channels of Excitable Membranes includes new chapters on fast chemical synapses, modulation through G protein coupled receptors and second messenger systems, molecules cloning, site directed mutagenesis, and cell biology/5(1). 1 – hollow cathode, 2 – cathode insertion, 3 – anode, 4 – accelerating electrode, 5 – focused system. 33rd EPS ; o et al.: Computer Simulation of .

    Computer Simulation of Ion Beam Analysis: Possibilities and Limitations M. Mayer a, W. Eckstein, H. Langhuth, F. Schiettekatte b, U. von Toussaint a aMax-Planck-Institut für Plasmaphysik, EURATOM Association, Boltzmannstr. 2, D Garching, Germany bDépartement de Physique, Université de Montral,é Succursale Centre Ville, Montralé (Québc),e Canada H3T 1J4. THEORY AND COMPUTER SIMULATION*t M. RAO and B. J. BERNE Chemistry Dept, Columbia University, New York, U.S.A. Abstract. The free energy of formation of a droplet in a finite system containing N particles in a box of volume V at a temperature T is examined. For certain values of the supersaturation the.

    M. Kurokiba and T. Ogawa, Well-posedness for the drift–diffusion system in L p arising from the semiconductor device simulation, J. Math. Anal. Appl. () – Crossref, ISI, . Formation and Dynamics of Self-Organized Structures in Surfactants and Polymer Solutions Kyoji Kawasaki, Bjoern Lindmann, Hirofumi Okabayashi The International Symposium on Colloid and Polymer Science was held at Nagoya Institute of Technology, Nagoya, Japan, in October


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Computer simulation of uphill diffusion in ternary ionic system Download PDF EPUB FB2

Get this from a library. Computer simulation of uphill diffusion in ternary ionic system. [Takashi Yamagishi; Kiyosumi Fujii; Shigeo Kitsutaka; United States. National Aeronautics and. Diffusion in silicate melts often shows uphill diffusion, the diffusion of a component up its own concentration gradient.

This paper presents a new nonlinear diffusion equation which can describe uphill diffusion in a ternary system and provide a criterion in what conditions uphill diffusion will take by: 8. Experimental diffusion coefficients obtained at various temperatures are reported in Table data are in agreement with recent results reported by Tokuda et al., also measured via NMR.[bmim][BF 4] has a very low diffusion coefficient at low temperature, of the order of 10 − 11 m 2 /s, but by increasing the temperature by just 25°, from to K, the measured D increases by a Cited by:   An experimental study of diffusion of Al, Ni, and Pt in a Pt-coated binary Ni-Al alloy has been made and compared with a computer simulation.

Assessed thermodynamic and kinetic descriptions have been used. Starting from the measured experimental concentration profiles after 1 h heat treatment at K the simulation is compared to the experimentally determined profiles after 11 h continuous Cited by: A STUDY OF THE IONIC DIFFUSION UNDER THE EFFECT OF ELECTRIC FIELD (COMPUTER SIMULATION WITH REFERENCE TO BIOLOGICAL MEMBRANE) A Thesis Submitted to The Physics Graduate Program In partial fulfillment of the requirements for the degree of Master of Science by Hagar Mohamed Fawzy Under the supervision of: Salah El-Sheikh.

A novel nonequilibrium molecular dynamics (NEMD) method introduced in and its recent application to investigations of the transport properties of gases and dense fluids within strongly inhomogeneous pore structures are reviewed. In this technique molecular simulations are conducted under realistic nonequilibrium (experimental) conditions thus enabling direct insight into the underlying.

Eq.1 enables one to find the diffusion path for a given diffusion couple in a ternary metallic system if the initial concentrations c' 1, c' 2, c'' 1, c'' 2 and interdiffusion coefficients 1 ~ D, 2 ~ D, 3 ~ D are known. In this work we have investigated the correspondence of the relation of effective.

Additional focus is laid on the prediction of lithium diffusion coefficients from the simulation data for various chain lengths and the comparison with experimental data, thus demonstrating the broad applicability of our approach.

The transport properties and solvation dynamics of model 1,3-dialkylimidazolium chloride melt at K is studied using molecular-dynamics simulations. Long trajectories of a large system have been generated and quantities such as the self-diffusion coefficient of ions, shear viscosity, and ionic conductivity have been calculated.

Interestingly, the diffusion of the heavier cation is found to. Atomic mobilities, diffusivities and simulation of diffusion growth in the Co–Si system Article in Acta Materialia 56(15) September with Reads How we measure 'reads'.

An introduction to atomistic simulation methods 9 where θ0 is the nominal equilibrium angle (90° for an octahedral coordination, ° for a tetrahedral coordination). Other functions, such as more complicated distance-dependent pair terms, or multi-atom terms, can be.

Simulation of the diffusion equation on a type-II quantum computer G. Berman,1 A. Ezhov,2 D. Kamenev,1 and J. Yepez3 1Theoretical Division and CNLS, Los Alamos National Laboratory, Los Alamos, New Mexico 2Troitsk Institute of Innovation and Fusion Research, Troitsk, Russia 3Air Force Research Laboratory, Hanscom Field, Massachusetts L.

Zhang et al.: Phase-field simulation of diffusion couples in the Ni–Al system Int. Mat. Res. (formerly Z. Metallkd.) () 4 W 20 11 C a r l H an s e r Ve r lag, M u nich, G e r. We present computer simulation results for and electrolyte solutions in the presence of a gravitational field, using the Monte Carlo method in the NVT ensemble for the restrictive primitive model.

Coulombic interactions were taken into account comparing the Ewald and Wolf methods. Three variations of Ewald summations were considered: the exact method for slab geometries.

determination of the molecular diffusion coefficients and in [13] and [1] the Taylor dispersion principle and the Gouy interferometer were used respectively. In addition, simulations based on molecular dynamics [14] and prediction models [3] have been undertaken in order to determine the molecular diffusion coefficients in ternary mixtures.

Stochastic simulation of reaction-diffusion systems presents great challenges for spatiotemporal biological modeling and simulation. One widely used framework for stochastic simulation of reaction-diffusion systems is reaction diffusion master equation (RDME).

Previous studies have discovered that for the RDME, when discretization size approaches zero, reaction time for bimolecular reactions. Ionic diffusion in the quartz–β-eucryptite system is studied by DC transport measurements, SIMS and atomistic simulations.

Transport data show a large transient increase in ionic current at the α–β phase transition of quartz (the Hedvall effect). The SIMS data indicatetwo diffusionprocesses, oneinvolving.

a reaction-diffusion system on the mesh (solve a partial differential equation) and (3) use the final values from the simulation to specify surface color while rendering the polygons of the model. Artificial Texture Synthesis A great strength of procedurally generating textures is that each new.

Research Paper SIMULATION OF CYLINDRICAL HEAT DIFFUSION PROBLEM USING CARTESIAN SYSTEM 1Kaushal B. Patel, 2*Mahesh C. Prajapati Address for Correspondence 1Assistant Professor in Department of Mathematics,Veer Narmad South Gujarat University, Surat. 2Assistant Professor in Amiraj College of Engineering And Technology,Village Khoraj, Nr.

Tata. A coupled electronic-ionic device’s behavior is determined by the movement of mobile charged particles such as ions, holes and electrons inside a confined space. There are many examples of engineered and natural coupled electronic ionic devices. A good exampleofanaturalionic-electronicdeviceistheionic-channelsinorganicmembranes.

Chemists have succeeded in using computer simulations to elucidate transient structures in proteins. Researchers have set out, in a new article. The diffusion coefficient D (s) represented by f d (s) is the only constant in the diffusion value rule ω (s) that connects the model system with specific characteristics of nature, and therefore provides an the opportunity to scale the diffusion value rule using node distance and the size of the time step.Optimization of Ionic Conductivity in Doped Ceria Using Density Functional Theory and Kinetic Lattice Monte Carlo by Shahriar Anwar searched using computer simulation.

Density functional theory (DFT) calculations can be utilized to study oxygen diffusion in doped ceria. In our study, we have determined the.