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Author : Stanford University. Institute for Plasma Research
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (123 download)
Download or read book Turbulent Heating of Plasmas written by Stanford University. Institute for Plasma Research and published by . This book was released on 1976 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Stanford University. Institute for Plasma Research
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (123 download)
Download or read book Turbulent Heating of Plasmas written by Stanford University. Institute for Plasma Research and published by . This book was released on 1975 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William E. Drummond
Publisher :
ISBN 13 :
Total Pages : 42 pages
Book Rating : 4.:/5 (227 download)
Download or read book Turbulent Heating of Plasmas by Streaming Instabilities written by William E. Drummond and published by . This book was released on 1971 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt: The report discusses the progress which has been made tward the research goal of understanding the development and nature of turbulence generated from a source of free streaming energy within a collisionless plasma. The initial evolution of microturbulence, during which the electron drift energy is very efficiently converted to electron thermal energy and ion sloshing energy, is now largely understood. The authors have also developed a model of the late-time turbulence evolving in a driven toroidal confinement device. Several investigations have also been completed of the generation of plasma turbulence via the decay of large amplitude waves. Finally, the authors have initiated research on the feasibility of heating fusion plasmas via the injection of energetic beams of relativistic electrons. (Author).
Author : Hans Willem Piekaar
Publisher :
ISBN 13 :
Total Pages : 116 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Turbulent Heating of a Plasma by a High Electric Field written by Hans Willem Piekaar and published by . This book was released on 1972 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : C Wendell Horton, Jr
Publisher : #N/A
ISBN 13 : 9813225904
Total Pages : 522 pages
Book Rating : 4.8/5 (132 download)
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.
Author : Arthur Lawrence Pavel
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.3/5 (91 download)
Download or read book Plasma Heating Through Parametrically Induced Turbulence written by Arthur Lawrence Pavel and published by . This book was released on 1976 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electromagnetic waves have been shown to be capable of significantly modifying both the magnetospheric and ionospheric plasma. Laboratory studies of the plasma instabilities generated in microwave-plasma interactions have helped to understand the geophysical experiments. Microwave-plasma research has also been useful in modeling the interaction of lasers and plasmas, particularly in relation to efforts using pulsed lasers to compress and heat plasma to thermonuclear conditions. An experiment is described which investigates the evolution of the parametric instability which occurs with near resonant matching of the microwave frequency and plasma frequency. Near threshold, a finely detailed spectrum of satelite electron plasma waves is observed. These waves break down into a turbulent plasma condition with a marked change in power absorbed by the plasma. The plasma passes through several distinctive regimes of turbulent plasma conditions. At the highest power levels used, there are plasma waves hundreds of megacycles from the driving frequency. The plasma is found to absorb a significant amount of power and heat electrons to high energies. (Author).
Author : E. K. Zavoiskii
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.:/5 (227 download)
Download or read book TURBULENT HEATING OF PLASMA BY A CURRENT. written by E. K. Zavoiskii and published by . This book was released on 1969 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report contains the results of a further study of the mechanism of the turbulent heating of plasma by a current in open and closed traps. Turbulent heating in open traps was studied using the NPR-2 and TN-5 equipment. Both devices are magnetic mirror-type systems. (Author).
Author : Y. Nakagawa
Publisher :
ISBN 13 :
Total Pages : 17 pages
Book Rating : 4.:/5 (838 download)
Download or read book Dynamic Behavior of Turbulent Heating of Plasmas written by Y. Nakagawa and published by . This book was released on 1974 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Paul Koch
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.:/5 (785 download)
Download or read book Turbulent Heating in Plasmas written by Paul Koch and published by . This book was released on 1970 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: The results of a Lagrangian analysis of homogeneous plasma turbulence were used to justify the assumtion that trapped particle modes were instrumental in the turbulent heating of plasma, and a set of equations was derived which describes the behavior of individual waves of that type. In section 2 the usual probabilistic assumptions of homogeneous turbulence are applied to the basic equations of a Vlasov plasma. A simple mixing length approximation is used to achieve closure of the resulting set of equations. Section 3 contains some basic principles of Lagrangian plasma turbulence. In section 4 trapped particle modes are examined and the results of Bohm and Gross are extended so that the exact non-linear equations that govern them can be derived. (Author).
Author : Bruce Scott
Publisher : Iop Plasma Physics
ISBN 13 : 9780750338530
Total Pages : 190 pages
Book Rating : 4.3/5 (385 download)
Download or read book Turbulence and Instabilities in Magnetised Plasmas written by Bruce Scott and published by Iop Plasma Physics. This book was released on 2021-11-18 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ever since the first observations of turbulent fluctuations in laboratory plasma experiments in the years around 1980, turbulence in magnetised plasmas has been a subject of vigorous interest in the field of plasma physics and magnetic confinement. The second of a two-volume set, this book begins with a review of the concepts behind magnetised plasma turbulence as covered in Volume One. After covering the effects of temperature dynamics, especially heat flux inertia, the rest of the first half reviews classical field theory in the necessary language, then builds the gyrokinetic and gyrofluid theory in a systematic and self-consistent manner, with special emphasis on energetic consistency. Gyrofluid turbulence in various flavours in a magnetised plasma is then covered, with control cases and energetic analysis. Familiar magnetohydrodynamic instabilities are reproduced in gyrofluid language, and then turbulence in a flow layer, current channel, pressure layer, or all three, is covered. A reprise of the theory in terms of a gauge transform with functional Lie-Poisson bracket structure closes the volume. Key Features Written by a world-leading expert in magnetised plasma turbulence Fills a long-standing gap in the plasma physics literature First unified book on gyrokinetic and gyrofluid theory and turbulence Includes complete derivations of the fundamental concepts
Author : Romain Maggiolo
Publisher : John Wiley & Sons
ISBN 13 : 1119829984
Total Pages : 800 pages
Book Rating : 4.1/5 (198 download)
Download or read book Space Physics and Aeronomy, Magnetospheres in the Solar System written by Romain Maggiolo and published by John Wiley & Sons. This book was released on 2021-04-14 with total page 800 pages. Available in PDF, EPUB and Kindle. Book excerpt: Überblick über den aktuellen Wissensstand und künftige Forschungsrichtungen in der Magnetosphärenphysik In den sechs Jahrzehnten seit der Einführung des Begriffs ?Magnetosphäre? sind über den magnetisierten Raum, der jeden Körper in unserem Sonnensystem umgibt, viele Theorien entstanden und viele Erkenntnisse gewonnen worden. Jede Magnetosphäre ist einzigartig und verhält sich doch entsprechend den universellen physikalischen Vorgängen. Der Band ?Magnetospheres in the Solar System? enthält Beiträge von Experten für Experimentalphysik, theoretische Physik und numerische Modellierung, die einen Überblick über verschiedene Magnetosphären vermitteln, von der winzigen Magnetosphäre des Merkur bis zu den gewaltigen planetarischen Magnetosphären von Jupiter und Saturn. Das Werk bietet insbesondere: * Einen kompakten Überblick über die Geschichte der Magnetosphäre, ihre Grundsätze und Gleichungen * Eine Zusammenfassung der grundlegenden Prozesse in der Magnetospährenphysik * Instrumente und Techniken zur Untersuchung von Prozessen in der Magnetosphäre * Eine besondere Schwerpunktsetzung auf die Magnetosphäre der Erde und ihre Dynamik * Eine Darstellung der planetaren Magnetfelder und Magnetosphären im gesamten Sonnensystem * Eine Definition der künftigen Forschungsrichtungen in der Magnetosphärenphysik Die Amerikanische Geophysikalische Vereinigung fördert die wissenschaftliche Erforschung der Erde und des Weltraums zum Wohle der Menschheit. In ihren Publikationen werden wissenschaftliche Erkenntnisse veröffentlicht, die Forschern, Studenten und Fachkräften zur Verfügung stehen.
Author : Hans Willem Piekaar
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (143 download)
Download or read book The Turbulent Heating of a Plasma by a High Electrid Field written by Hans Willem Piekaar and published by . This book was released on 1972 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Michael Roy Mross
Publisher :
ISBN 13 :
Total Pages : 172 pages
Book Rating : 4.:/5 (191 download)
Download or read book Turbulent Heating in a Beam Plasma System written by Michael Roy Mross and published by . This book was released on 1975 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : T. Kawabe
Publisher :
ISBN 13 :
Total Pages : 11 pages
Book Rating : 4.:/5 (713 download)
Download or read book Temporal and Spatial Origin of Hot Ions in Turbulent Heating of a Plasma written by T. Kawabe and published by . This book was released on 1970 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : W. E. Drummond
Publisher :
ISBN 13 :
Total Pages : 126 pages
Book Rating : 4.:/5 (227 download)
Download or read book Turbulent Heating of Plasmas by High Energy Particle Beams written by W. E. Drummond and published by . This book was released on 1976 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the performance period on this contract, 30 June 1976, substantial progress has been made in our research on the interactions of high energy beams of charged particles. The mechanisms and efficiency of energy transfer have been investigated from relativistic electron beams to much denser, high-z target plasmas. Provided that the beam quality is sufficiently well controlled, optimization of the primary beam-plasma interaction, through selection of beam density and energy, should permit at least 15% of the beam energy to be deposited during a single pass in targets near 100,000 times as dense as the beam. Estimation of ionization and radiation processes indicate that a beam-heated plasma source of multi-kilojoule, multigigawatt radiation in the 10 - 10,000 eV portion of the photon energy spectrum may be achievable. More recently a number of calculations have been completed relevant to the development of collective ion accelerators. Required conditions have been determined for both equilibria and stability of powerful, unneutralized electron beams propagating along a magnetic guide field. Also studied were the collective ionelectron cyclotron interaction which can occur between a non-neutral ultra-relativistic electron beam and a less dense species of ions. Various regimes of this interaction have been investigated, and in one important regime for which the instability growth rate is less than the transverse bounce frequency of the ions in the radial electric field of the electron beam, two dimensional computer simulations have been performed.
Author : H.W. Piekaar
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (841 download)
Download or read book The Turbulent Heating of a Plasma by a High Electric Field written by H.W. Piekaar and published by . This book was released on 1971 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Roberto Bruno
Publisher : Springer
ISBN 13 : 3319434403
Total Pages : 270 pages
Book Rating : 4.3/5 (194 download)
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.
