Energy Transfer And Dissipation In Plasma Turbulence
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Energy Transfer And Dissipation In Plasma Turbulence
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Author : Yan Yang
language : en
Publisher: Springer
Release Date : 2019-05-02
Energy Transfer And Dissipation In Plasma Turbulence written by Yan Yang and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-05-02 with Science categories.
This book revisits the long-standing puzzle of cross-scale energy transfer and dissipation in plasma turbulence and introduces new perspectives based on both magnetohydrodynamic (MHD) and Vlasov models. The classical energy cascade scenario is key in explaining the heating of corona and solar wind. By employing a high-resolution hybrid (compact finite difference & WENO) scheme, the book studies the features of compressible MHD cascade in detail, for example, in order to approximate a real plasma cascade as “Kolmogorov-like” and to understand features that go beyond the usual simplified theories based on incompressible models. When approaching kinetic scales where plasma effects must be considered, it uses an elementary analysis of the Vlasov–Maxwell equations to help identify the channels through which energy transfer must be dissipated. In addition, it shows that the pressure–strain interaction is of great significance in producing internal energy. This analysis, in contrast to many other recent studies, does not make assumptions about wave-modes, instability or other specific mechanisms responsible for the dynamics – the results are direct consequences of the Vlasov–Maxwell system of equations. This is an important step toward understanding dissipation in turbulent collisionless plasma in space and astrophysics.
Plasma Turbulence
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Author : Leslie S. G. Kovásznay
language : en
Publisher:
Release Date : 1960
Plasma Turbulence written by Leslie S. G. Kovásznay and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1960 with Plasma (Ionized gases) categories.
Energy Transfer From A Test Electron To A Collisionless Plasma
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Author : Joseph G. Kelley
language : en
Publisher:
Release Date : 1966
Energy Transfer From A Test Electron To A Collisionless Plasma written by Joseph G. Kelley and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1966 with Cone categories.
The perturbation of a collisionless plasma by a nonrelativistic test electron is derived in closed form. The electron loses energy driving currents in the plasma. No energy is lost to electromagnetic or electro-acoustic waves. However, electro-acoustic waves do occur in the Mach cone behind the test electron and provide a mechanism to couple test electrons over large distances. (Author).
An Introduction To The Theory Of Plasma Turbulence
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Author : Vadim Nikolaevich T͡Sytovich
language : en
Publisher: Pergamon
Release Date : 1972
An Introduction To The Theory Of Plasma Turbulence written by Vadim Nikolaevich T͡Sytovich and has been published by Pergamon this book supported file pdf, txt, epub, kindle and other format this book has been release on 1972 with Plasma turbulence categories.
Space Physics And Aeronomy Magnetospheres In The Solar System
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Author : Romain Maggiolo
language : en
Publisher: John Wiley & Sons
Release Date : 2021-04-14
Space Physics And Aeronomy Magnetospheres In The Solar System written by Romain Maggiolo and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-04-14 with Science categories.
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.
Turbulent Transport In Magnetized Plasmas Second Edition
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Author : Horton, Jr C Wendell
language : en
Publisher: #N/A
Release Date : 2017-07-21
Turbulent Transport In Magnetized Plasmas Second Edition written by Horton, Jr C Wendell and has been published by #N/A this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-07-21 with Science categories.
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.
Plasma And Fluid Turbulence
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Author : A. Yoshizawa
language : en
Publisher: CRC Press
Release Date : 2002-11-12
Plasma And Fluid Turbulence written by A. Yoshizawa and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-11-12 with Science categories.
Theory and modelling with direct numerical simulation and experimental observations are indispensable in the understanding of the evolution of nature, in this case the theory and modelling of plasma and fluid turbulence. Plasma and Fluid Turbulence: Theory and Modelling explains modelling methodologies in depth with regard to turbulence phenomena a
Lectures On Non Linear Plasma Kinetics
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Author : Vadim N. Tsytovich
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Lectures On Non Linear Plasma Kinetics written by Vadim N. Tsytovich and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
Lectures on Non-linear Plasma Kinetics is an introduction to modern non-linear plasma physics showing how many of the techniques of modern non-linear physics find applications in plasma physics and how, in turn, the results of this research find applications in astrophysics. Emphasis is given to explaining the physics of nonlinear processes and the radical change of cross-sections by collective effects. The author discusses new nonlinear phenomena involving the excitation of coherent nonlinear structures and the dynamics of their random motions in relation to new self-organization processes. He also gives a detailed description of applications of the general theory to various research fields, including the interaction of powerful radiation with matter, controlled thermonuclear research, etc.
Plasma Turbulence In The Solar System
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Author : Yasuhito Narita
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-01-21
Plasma Turbulence In The Solar System written by Yasuhito Narita and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-01-21 with Science categories.
Dynamics of astrophysical systems is often described by plasma physics, yet understanding the nature of plasma turbulence remains as a challenge in physics in both theories and experiments. This book is an up-to-date summary and review of recent results in research on waves and turbulence in near-Earth space plasma turbulence, obtained by Cluster, the multi-spacecraft mission. Spatial and temporal structures of solar wind turbulence as well as its interaction with the bow shock ahead of the Earth are presented using Cluster data. The book presents (1) historical developments, (2) theoretical background of plasma physics, turbulence theories, and the plasma physical picture of the solar system, (3) analysis methods for multi-spacecraft data, (4) results of Cluster data analysis, and (5) impacts on astrophysics and Earth sciences.
Turbulence In The Solar Wind
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Author : Roberto Bruno
language : en
Publisher: Springer
Release Date : 2016-10-07
Turbulence In The Solar Wind written by Roberto Bruno and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-10-07 with Science categories.
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.