Electromagnetic And Kinetic Effects On Blob Filamentary Plasma Structures In Magnetic Confinement Devices
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Electromagnetic And Kinetic Effects On Blob Filamentary Plasma Structures In Magnetic Confinement Devices
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Author : Wonjae Lee
language : en
Publisher:
Release Date : 2017
Electromagnetic And Kinetic Effects On Blob Filamentary Plasma Structures In Magnetic Confinement Devices written by Wonjae Lee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with categories.
Plasma blobs (filamentary structures extended along the magnetic field lines) are mesoscale turbulent structures that are usually observed in the scrape-off layer (SOL) of magnetic confinement devices. Electromagnetic fluid simulations for seeded high-beta blobs demonstrate that inhomogeneity of magnetic curvature or plasma pressure along the filament leads to bending of the filaments and magnetic field lines due to increased Alfven time. Moreover, the drift wave instabilities inside the filaments are modified by electromagnetic effects. A local linear analysis on an electromagnetic drift-kinetic equation with BGK-like collision operator proves to be valid for describing the linear growth rate of drift wave instabilities in a wide range of plasma parameters showing convergence to reference models for limiting cases. Finally, the development of the 5D version of the full-f gyrokinetic code COGENT and its application to the collisionless drift wave simulation are presented with discussion of the disturbance of the distribution function from the collisionless drift wave instability and the formation of a helical mode structure within the plasma filament.
Introduction To Plasma Physics And Controlled Fusion
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Author : Francis F. Chen
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-09
Introduction To Plasma Physics And Controlled Fusion written by Francis F. Chen 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 2013-03-09 with Science categories.
TO THE SECOND EDITION In the nine years since this book was first written, rapid progress has been made scientifically in nuclear fusion, space physics, and nonlinear plasma theory. At the same time, the energy shortage on the one hand and the exploration of Jupiter and Saturn on the other have increased the national awareness of the important applications of plasma physics to energy production and to the understanding of our space environment. In magnetic confinement fusion, this period has seen the attainment 13 of a Lawson number nTE of 2 x 10 cm -3 sec in the Alcator tokamaks at MIT; neutral-beam heating of the PL T tokamak at Princeton to KTi = 6. 5 keV; increase of average ß to 3%-5% in tokamaks at Oak Ridge and General Atomic; and the stabilization of mirror-confined plasmas at Livermore, together with injection of ion current to near field-reversal conditions in the 2XIIß device. Invention of the tandem mirror has given magnetic confinement a new and exciting dimension. New ideas have emerged, such as the compact torus, surface-field devices, and the EßT mirror-torus hybrid, and some old ideas, such as the stellarator and the reversed-field pinch, have been revived. Radiofrequency heat ing has become a new star with its promise of dc current drive. Perhaps most importantly, great progress has been made in the understanding of the MHD behavior of toroidal plasmas: tearing modes, magnetic Vll Vlll islands, and disruptions.
The Plasma Boundary Of Magnetic Fusion Devices
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Author : P.C Stangeby
language : en
Publisher: CRC Press
Release Date : 2000-01-01
The Plasma Boundary Of Magnetic Fusion Devices written by P.C Stangeby and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-01-01 with Science categories.
The Plasma Boundary of Magnetic Fusion Devices introduces the physics of the plasma boundary region, including plasma-surface interactions, with an emphasis on those occurring in magnetically confined fusion plasmas. The book covers plasma-surface interaction, Debye sheaths, sputtering, scrape-off layers, plasma impurities, recycling and control, 1D and 2D fluid and kinetic modeling of particle transport, plasma properties at the edge, diverter and limiter physics, and control of the plasma boundary. Divided into three parts, the book begins with Part 1, an introduction to the plasma boundary. The derivations are heuristic and worked problems help crystallize physical intuition, which is emphasized throughout. Part 2 provides an introduction to methods of modeling the plasma edge region and for interpreting computer code results. Part 3 presents a collection of essays on currently active research hot topics. With an extensive bibliography and index, this book is an invaluable first port-of-call for researchers interested in plasma-surface interactions.
Plasma Physics
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Author : Alexander Piel
language : en
Publisher: Springer
Release Date : 2017-09-07
Plasma Physics written by Alexander Piel and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-09-07 with Science categories.
The enlarged new edition of this textbook provides a comprehensive introduction to the basic processes in plasmas and demonstrates that the same fundamental concepts describe cold gas-discharge plasmas, space plasmas, and hot fusion plasmas. Starting from particle drifts in magnetic fields, the principles of magnetic confinement fusion are explained and compared with laser fusion. Collective processes are discussed in terms of plasma waves and instabilities. The concepts of plasma description by magnetohydrodynamics, kinetic theory, and particle simulation are stepwise introduced. Space charge effects in sheath regions, double layers and plasma diodes are given the necessary attention. The novel fundamental mechanisms of dusty plasmas are explored and integrated into the framework of conventional plasmas. The book concludes with a concise description of modern plasma discharges. Written by an internationally renowned researcher in experimental plasma physics, the text keeps the mathematical apparatus simple and emphasizes the underlying concepts. The guidelines of plasma physics are illustrated by a host of practical examples, preferentially from plasma diagnostics. There, Langmuir probe methods, laser interferometry, ionospheric sounding, Faraday rotation, and diagnostics of dusty plasmas are discussed. Though primarily addressing students in plasma physics, the book is easily accessible for researchers in neighboring disciplines, such as space science, astrophysics, material science, applied physics, and electrical engineering. This second edition has been thoroughly revised and contains substantially enlarged chapters on plasma diagnostics, dusty plasmas and plasma discharges. Probe techniques have been rearranged into basic theory and a host of practical examples for probe techniques in dc, rf, and space plasmas. New topics in dusty plasmas, such as plasma crystals, Yukawa balls, phase transitions and attractive forces have been adopted. The chapter on plasma discharges now contains a new section on conventional and high-power impulse magnetron sputtering. The recently discovered electrical asymmetry effect in capacitive rf-discharges is described. The text is based on an introductory course to plasma physics and advanced courses in plasma diagnostics, dusty plasmas, and plasma waves, which the author has taught at Kiel University for three decades. The pedagogical approach combines detailed explanations, a large number of illustrative figures, short summaries of the basics at the end of each chapter, and a selection of problems with detailed solutions.
Physics Briefs
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Author :
language : en
Publisher:
Release Date : 1983
Physics Briefs written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Physics categories.
Plasma Dynamics For Aerospace Engineering
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Author : Joseph J. S. Shang
language : en
Publisher: Cambridge University Press
Release Date : 2018-06-21
Plasma Dynamics For Aerospace Engineering written by Joseph J. S. Shang and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-06-21 with Science categories.
Provides a comprehensive review and usable problem-solving techniques for aerospace engineering plasma applications.
Plasma Science
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Author : National Academies of Sciences Engineering and Medicine
language : en
Publisher:
Release Date : 2021-02-28
Plasma Science written by National Academies of Sciences Engineering and Medicine and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-02-28 with categories.
Plasma Science and Engineering transforms fundamental scientific research into powerful societal applications, from materials processing and healthcare to forecasting space weather. Plasma Science: Enabling Technology, Sustainability, Security and Exploration discusses the importance of plasma research, identifies important grand challenges for the next decade, and makes recommendations on funding and workforce. This publication will help federal agencies, policymakers, and academic leadership understand the importance of plasma research and make informed decisions about plasma science funding, workforce, and research directions.
Nuclear Fusion
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Author : C.M. Braams
language : en
Publisher: CRC Press
Release Date : 2002-06-20
Nuclear Fusion written by C.M. Braams and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-06-20 with Science categories.
Fusion research started over half a century ago. Although the task remains unfinished, the end of the road could be in sight if society makes the right decisions. Nuclear Fusion: Half a Century of Magnetic Confinement Fusion Research is a careful, scholarly account of the course of fusion energy research over the past fifty years. The authors outline the different paths followed by fusion research from initial ignorance to present understanding. They explore why a particular scheme would not work and why it was more profitable to concentrate on the mainstream tokamak development. The book features descriptive sections, in-depth explanations of certain physical and technical issues, scientific terms, and an extensive glossary that explains relevant abbreviations and acronyms.
Progress In Fine Particle Plasmas
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Author : Tetsu Mieno
language : en
Publisher: BoD – Books on Demand
Release Date : 2020-08-26
Progress In Fine Particle Plasmas written by Tetsu Mieno and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-08-26 with Science categories.
In the field of plasma physics, plasmas (including charged fine particles) have been actively studied for more than 40 years, and special features of wave phenomena, self-organizations of the particles, potential formations, fluid-like motions of the particles, generations of fine particles in the plasmas, etc. have been investigated. Here, these plasmas are called “fine particle plasmas”, which are also called “dusty plasmas” and “complex plasmas”. This book intends to provide the reader with the recent progress of studies of fine particle plasmas from the viewpoints of wide and interdisciplinary directions, such as self-organized fine particles, Coulomb crystal formation, behaviors of fine particles, their stability, and syntheses of nano-sized particles in reactive plasmas. Further, the phenomena of dense grain particles and the effects of massive neutrinos in galaxy clustering are included.
Nuclear Science Abstracts
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Author :
language : en
Publisher:
Release Date : 1967
Nuclear Science Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Nuclear energy categories.