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Cross Magnetic Turbulent Diffusion Of Charged Particles In A Weakly Ionized Plasma
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Book Synopsis Cross-Magnetic Turbulent Diffusion of Charged Particles in a Weakly Ionized Plasma by : Michio Matsumoto
Download or read book Cross-Magnetic Turbulent Diffusion of Charged Particles in a Weakly Ionized Plasma written by Michio Matsumoto and published by . This book was released on 2012-05-14 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Cross-Magnetic Turbulent Diffusion of Charged Particles in a Weakly Ionized Plasma by : Michio Matsumoto
Download or read book Cross-Magnetic Turbulent Diffusion of Charged Particles in a Weakly Ionized Plasma written by Michio Matsumoto and published by Springer. This book was released on 2012-12-06 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is very important to know how field fluctuations affect the diffusion of plasma across a strong magnetic field B. Many investigators have studied this problem theoretically1)'"'-8) and expertmentally. 9)~12) In cases of weak turbulence, the ion diffusion coefficient Dl is proportional to the electric field fluctuation energy or the mean square amplitude of density fluctua tions. 1) For a higher degree of fluctuation amplitudes exceeding a certain 2 7 threshold which is given by the relation1/2 e he/Te = 1t P Dupree) T proposed D~ rJ. 1/2. Here, e = lei is the electronic char;e, he the electron Debye length, Te the electron teriip:rature in unit of energy, PTe the electron mean Larmor radius and "}1. = no on%x, no (r) being the mean density of charged particles. Dupree's theory, however, is applicable 12 only to the ion diffusion in a c ollisionless plasma. Walsh et a1) determined from measurements in the Q-machine the diffusion coefficient as a function of the mean square amplitude of density fluctuations. Their experimental results are in good agreement with the predictions of Dupree's theory. 2 The turbulent diffusion in the positive column was first studied by Kadomtsev
Book Synopsis Diffusion of a Fully Ionized Plasma Across a Magnetic Field by : V. F. Aleksin
Download or read book Diffusion of a Fully Ionized Plasma Across a Magnetic Field written by V. F. Aleksin and published by . This book was released on 1965 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: In studying the diffusion of charged particles in a weakly ionized plasma, the motion of the charged component of plasma relative to a neutral-particle gas is usually examined. In this case, the coefficient of diffusion is practically independent of the charged-particle density and the diffusion process is described by the ordinary linear equation of diffusion.
Book Synopsis Diffusion of a Weakly Ionized Plasma in a Magnetic Field by : Jan Polman
Download or read book Diffusion of a Weakly Ionized Plasma in a Magnetic Field written by Jan Polman and published by . This book was released on 1966 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Electromagnetic Fluctuations In Plasma by : A Sitenko
Download or read book Electromagnetic Fluctuations In Plasma written by A Sitenko and published by Elsevier. This book was released on 2012-12-02 with total page 271 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electromagnetic Fluctuations in Plasma focuses on the theoretical investigation of the electromagnetic properties of a plasma (an ionized gas). The manuscript first takes a look at the general theory of fluctuations and electromagnetic fluctuations in media with space-time dispersion. Discussions focus on spectral distribution of the fluctuations and energy dissipation in the medium; dielectric and magnetic permittivities in a medium with spatial dispersion; current, charge, and field fluctuations in a medium; and inversion of the fluctuation-dissipation theorem. The text then examines the electrodynamic properties of an electron plasma and electromagnetic fluctuations in an electron plasma. The publication ponders on fluctuations in an electron-ion plasma and electron plasma in a magnetic field. Topics include plasma dielectric permittivity tensor in a magnetic field; longitudinal plasma oscillations in a magnetic field; fluctuations in charge and current densities in an equilibrium electron-ion plasma; and electron and ion density fluctuations in an equilibrium plasma. The text also tackles the passage of charged particles through plasma and dynamic friction and diffusion coefficients in a plasma. The book is a dependable reference for readers interested in the study of the electromagnetic properties of a plasma.
Book Synopsis Introduction to Plasma Physics by : R.J Goldston
Download or read book Introduction to Plasma Physics written by R.J Goldston and published by CRC Press. This book was released on 2020-07-14 with total page 514 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduction to Plasma Physics is the standard text for an introductory lecture course on plasma physics. The text’s six sections lead readers systematically and comprehensively through the fundamentals of modern plasma physics. Sections on single-particle motion, plasmas as fluids, and collisional processes in plasmas lay the groundwork for a thorough understanding of the subject. The authors take care to place the material in its historical context for a rich understanding of the ideas presented. They also emphasize the importance of medical imaging in radiotherapy, providing a logical link to more advanced works in the area. The text includes problems, tables, and illustrations as well as a thorough index and a complete list of references.
Book Synopsis Magnetic Stochasticity in Magnetically Confined Fusion Plasmas by : Sadrilla Abdullaev
Download or read book Magnetic Stochasticity in Magnetically Confined Fusion Plasmas written by Sadrilla Abdullaev and published by Springer Science & Business Media. This book was released on 2013-11-19 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the first book to systematically consider the modern aspects of chaotic dynamics of magnetic field lines and charged particles in magnetically confined fusion plasmas. The analytical models describing the generic features of equilibrium magnetic fields and magnetic perturbations in modern fusion devices are presented. It describes mathematical and physical aspects of onset of chaos, generic properties of the structure of stochastic magnetic fields, transport of charged particles in tokamaks induced by magnetic perturbations, new aspects of particle turbulent transport, etc. The presentation is based on the classical and new unique mathematical tools of Hamiltonian dynamics, like the action--angle formalism, classical perturbation theory, canonical transformations of variables, symplectic mappings, the Poincaré-Melnikov integrals. They are extensively used for analytical studies as well as for numerical simulations of magnetic field lines, particle dynamics, their spatial structures and statistical properties. The numerous references to articles on the latest development in the area are provided. The book is intended for graduate students and researchers who interested in the modern problems of magnetic stochasticity in magnetically confined fusion plasmas. It is also useful for physicists and mathematicians interested in new methods of Hamiltonian dynamics and their applications.
Book Synopsis Transport of Charged Particles in Turbulent Magnetic Fields by : Prachanda Subedi
Download or read book Transport of Charged Particles in Turbulent Magnetic Fields written by Prachanda Subedi and published by . This book was released on 2017 with total page 189 pages. Available in PDF, EPUB and Kindle. Book excerpt: Magnetic fields permeate the Universe. They are found in planets, stars, galaxies, and the intergalactic medium. The magnetic field found in these astrophysical systems are usually chaotic, disordered, and turbulent. The investigation of the transport of cosmic rays in magnetic turbulence is a subject of considerable interest. ☐ One of the important aspects of cosmic ray transport is to understand their diffusive behavior and to calculate the diffusion coefficient in the presence of these turbulent fields. Research has most frequently concentrated on determining the diffusion coefficient in the presence of a mean magnetic field. Here, we will particularly focus on calculating diffusion coefficients of charged particles and magnetic field lines in a fully three-dimensional isotropic turbulent magnetic field with no mean field, which may be pertinent to many astrophysical situations. ☐ For charged particles in isotropic turbulence we identify different ranges of particle energy depending upon the ratio of the Larmor radius of the charged particle to the characteristic outer length scale of the turbulence. Different theoretical models are proposed to calculate the diffusion coefficient, each applicable to a distinct range of particle energies. The theoretical ideas are tested against results of detailed numerical experiments using Monte-Carlo simulations of particle propagation in stochastic magnetic fields. ☐ We also discuss two different methods of generating random magnetic field to study charged particle propagation using numerical simulation. One method is the usual way of generating random fields with a specified power law in wavenumber space, using Gaussian random variables. Turbulence, however, is non-Gaussian, with variability that comes in bursts called intermittency. We therefore devise a way to generate synthetic intermittent fields which have many properties of realistic turbulence. Possible applications of such synthetically generated intermittent fields are discussed.
Book Synopsis Turbulent Transport In Magnetized Plasmas (Second Edition) by : C Wendell Horton, Jr
Download or read book Turbulent Transport In Magnetized Plasmas (Second Edition) written by C Wendell Horton, Jr and published by #N/A. This book was released on 2017-07-21 with total page 522 pages. Available in PDF, EPUB and Kindle. Book excerpt: For a few seconds with large machines, scientists and engineers have now created the fusion power of the stars in the laboratory and at the same time find the rich range of complex turbulent electromagnetic waves that transport the plasma confinement systems. The turbulent transport mechanisms created in the laboratory are explained in detail in the second edition of 'Turbulent Transport in Magnetized Plasmas' by Professor Horton.The principles and properties of the major plasma confinement machines are explored with basic physics to the extent currently understood. For the observational laws that are not understood — the empirical confinement laws — offering challenges to the next generation of plasma students and researchers — are explained in detail. An example, is the confinement regime — called the 'I-mode' — currently a hot topic — is explored.Numerous important problems and puzzles for the next generation of plasma scientists are explained. There is growing demand for new simulation codes utilizing the massively parallel computers with MPI and GPU methods. When the 20 billion dollar ITER machine is tested in the 2020ies, new theories and faster/smarter computer simulations running in near real-time control systems will be used to control the burning hydrogen plasmas.
Book Synopsis Turbulence in the Solar Wind by : Roberto Bruno
Download or read book Turbulence in the Solar Wind written by Roberto Bruno and published by Springer. This book was released on 2016-10-07 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides an overview of solar wind turbulence from both the theoretical and observational perspective. It argues that the interplanetary medium offers the best opportunity to directly study turbulent fluctuations in collisionless plasmas. In fact, during expansion, the solar wind evolves towards a state characterized by large-amplitude fluctuations in all observed parameters, which resembles, at least at large scales, the well-known hydrodynamic turbulence. This text starts with historical references to past observations and experiments on turbulent flows. It then introduces the Navier-Stokes equations for a magnetized plasma whose low-frequency turbulence evolution is described within the framework of the MHD approximation. It also considers the scaling of plasma and magnetic field fluctuations and the study of nonlinear energy cascades within the same framework. It reports observations of turbulence in the ecliptic and at high latitude, treating Alfvénic and compressive fluctuations separately in order to explain the transport of mass, momentum and energy during the expansion. Further, existing models are compared with direct observations in the heliosphere. The problem of self-similar and anomalous fluctuations in the solar wind is then addressed using tools provided by dynamical system theory and discussed on the basis of available models and observations. The book highlights observations of Yaglom’s law in solar wind turbulence, which is one of the most important findings in fully developed turbulence and directly related to the long-lasting and still unsolved problem of solar wind plasma heating. Lastly, it includes a short chapter dedicated to the kinetic range of fluctuations, which has recently been receiving more attention from the space plasma community, since this is inherently related to turbulent energy dissipation and consequent plasma heating. It particularly focuses on the nature and role of the fluctuations populating this frequency range, and discusses several model predictions and recent observational findings in this context.
Book Synopsis Diffusion of a weakly ionized plasma in a magnetic field by : Jan Polman
Download or read book Diffusion of a weakly ionized plasma in a magnetic field written by Jan Polman and published by . This book was released on 1966 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1974 with total page 1298 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Documentation of Plasma Physics. Pt. 1, Experimental Plasma Physics [and] Theoretical Plasma Physics by :
Download or read book Documentation of Plasma Physics. Pt. 1, Experimental Plasma Physics [and] Theoretical Plasma Physics written by and published by . This book was released on 1969 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Diffusion of Plasma Particles Across a Magnetic Field by : Akira Isihara
Download or read book Diffusion of Plasma Particles Across a Magnetic Field written by Akira Isihara and published by . This book was released on 1959 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1966 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Institute Radiophysics Publisher :Springer Science & Business Media ISBN 13 :354069854X Total Pages :192 pages Book Rating :4.5/5 (46 download)
Book Synopsis Interactions Between Charged Particles in a Magnetic Field by : Institute Radiophysics
Download or read book Interactions Between Charged Particles in a Magnetic Field written by Institute Radiophysics and published by Springer Science & Business Media. This book was released on 2007-07-17 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph focuses on the influence of a strong magnetic field on the interactions between charged particles in a many-body system. Two complementary approaches, the binary collision model and the dielectric theory are investigated in both analytical and numerical frameworks. In the binary collision model, the Coulomb interaction between the test and the target particles is screened because of the polarization of the target.
Book Synopsis International Aerospace Abstracts by :
Download or read book International Aerospace Abstracts written by and published by . This book was released on 1982 with total page 1076 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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