Energy Transfer And Dissipation In Plasma Turbulence
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Energy Transfer and Dissipation in Plasma Turbulence
Author | : Yan Yang |
Publsiher | : Springer |
Total Pages | : 134 |
Release | : 2019-05-02 |
Genre | : Science |
ISBN | : 9789811381492 |
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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
Author | : Leslie S. G. Kovásznay |
Publsiher | : Unknown |
Total Pages | : 54 |
Release | : 1960 |
Genre | : Plasma (Ionized gases) |
ISBN | : CORNELL:31924004601310 |
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Energy Transfer from a Test Electron to a Collisionless Plasma
Author | : Joseph G. Kelley,Morton A. Levine |
Publsiher | : Unknown |
Total Pages | : 42 |
Release | : 1966 |
Genre | : Cone |
ISBN | : UOM:39015095294552 |
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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
Author | : Vadim Nikolaevich T͡Sytovich |
Publsiher | : Pergamon |
Total Pages | : 152 |
Release | : 1972 |
Genre | : Plasma turbulence |
ISBN | : UCAL:B4428139 |
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Space Physics and Aeronomy Magnetospheres in the Solar System
Author | : Romain Maggiolo,Nicolas André,Hiroshi Hasegawa,Daniel T. Welling |
Publsiher | : John Wiley & Sons |
Total Pages | : 800 |
Release | : 2021-04-14 |
Genre | : Science |
ISBN | : 9781119829980 |
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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.
Lectures on Non linear Plasma Kinetics
Author | : Vadim N. Tsytovich |
Publsiher | : Springer Science & Business Media |
Total Pages | : 381 |
Release | : 2012-12-06 |
Genre | : Science |
ISBN | : 9783642789021 |
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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
Author | : Yasuhito Narita |
Publsiher | : Springer Science & Business Media |
Total Pages | : 108 |
Release | : 2012-01-21 |
Genre | : Science |
ISBN | : 9783642256677 |
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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.
Space and Astrophysical Plasma Simulation
Author | : Jörg Büchner |
Publsiher | : Springer Nature |
Total Pages | : 427 |
Release | : 2023-03-01 |
Genre | : Science |
ISBN | : 9783031118708 |
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This book is a collection of contributions covering the major subjects in numerical simulation of space and astrophysical plasma. It introduces the different approaches and methods to model plasma, the necessary computational codes, and applications in the field. The book is rooted in the previous work Space Plasma Simulation (Springer, 2003) and includes the latest developments. It is divided into three parts and all chapters start with an introduction motivating the topic and its use in research and ends with a discussion of its applications. The chapters of the first part contain tutorials of the different basic approaches needed to perform space plasma simulations. This part is particularly useful for graduate students to master the subject. The second part presents more advanced materials for students and researchers who already work with pre-existing codes but want to implement the recent progresses made in the field. The last part of the book discusses developments in the area for researchers who are actively working on advanced simulation approaches like higher order schemes and artificial intelligence, agent-based technologies for multiscale and multi-dimensional systems, which represent the recent innovative contributions made in space plasma research.