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Author : Roger Jozef Elisabeth Jaspers
Publisher :
ISBN 13 : 9789038604749
Total Pages : 158 pages
Book Rating : 4.6/5 (47 download)
Download or read book Relativistic Runaway Electrons in Tokamak Plasmas written by Roger Jozef Elisabeth Jaspers and published by . This book was released on 1995 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ingeborg Entrop
Publisher :
ISBN 13 : 9789038609478
Total Pages : 183 pages
Book Rating : 4.6/5 (94 download)
Download or read book Confinement of Relativistic Runaway Electrons in Tokamak Plasmas written by Ingeborg Entrop and published by . This book was released on 1999 with total page 183 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 33 pages
Book Rating : 4.:/5 (925 download)
Download or read book Relativistic Runaway Electrons in Tokamak Plasmas written by and published by . This book was released on 2001 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Fredrik Andersson
Publisher :
ISBN 13 : 9789172913615
Total Pages : 53 pages
Book Rating : 4.9/5 (136 download)
Download or read book Runaway Electrons in Tokamak Plasmas written by Fredrik Andersson and published by . This book was released on 2003 with total page 53 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Yung Mok
Publisher :
ISBN 13 :
Total Pages : 276 pages
Book Rating : 4.:/5 (18 download)
Download or read book Dynamics and Consequences of Runaway Electrons in Tokamak Plasmas written by Yung Mok and published by . This book was released on 1978 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Roy Alexander Tinguely
Publisher :
ISBN 13 :
Total Pages : 258 pages
Book Rating : 4.:/5 (113 download)
Download or read book An Analysis of Synchrotron Radiation from Relativistic Electrons in the Alcator C-Mod Tokamak written by Roy Alexander Tinguely and published by . This book was released on 2019 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the Alcator C-Mod tokamak, a magnetic confinement fusion experiment, electrons are accelerated to relativistic energies -- on the order of tens of MeV -- during steady-state conditions of Ohmic, elongated, and diverted plasma discharges. These so-called "runaway" electrons emit synchrotron radiation in their direction of motion due to their gyration in the background toroidal magnetic field, with values of B0 ranging from 2.7 to 7.8 T at the plasma axis. Two spectrometers, a wide-view camera, and a polarimeter are used to measure time-evolving spectra, images, and polarization information, respectively, of the synchrotron radiation in the visible/near-infrared wavelength range, [lambda] ~~ 300-1000 nm. The kinetic equation solver Code [Landreman et al 2014 Comput. Phys. Commun., Stahl et al 2016 Nucl. Fusion] and synthetic diagnostic Soft [Hoppe et al 2018 Nucl. Fusion] are used to model the evolution of the runaway electron phase space distribution and to simulate the detected synchrotron emission, respectively. The major contributions of this thesis work to the fields of plasma physics and fusion energy research are the following: Spectral measurements are consistent with runaway electrons' attaining lower energies as the magnetic field increases, a positive sign for future high-field fusion devices. The runaway electron density profile and other spatiotemporal dynamics, such as increased radial transport due to magnetohydrodynamic activity, are inferred from the two-dimensional synchrotron intensity distributions captured in camera images. Finally, for the first time in a tokamak plasma experiment, polarized synchrotron light is used as a novel diagnostic of the pitch angle distribution of runaway electrons. For all three measurements, discrepancies between experiment and theory/simulation are identified, and opportunities for future work are presented.
Author : Michael Forster
Publisher :
ISBN 13 :
Total Pages : 151 pages
Book Rating : 4.:/5 (11 download)
Download or read book Runaway Electrons in Disruptions and Perturbed Magnetic Topologies of Tokamak Plasmas written by Michael Forster and published by . This book was released on 2012 with total page 151 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Relativistic Electron Beam Heating of a Tokamak Plasma written by and published by . This book was released on 1975 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A theoretical treatment of heating of tokamak plasmas by relativistic electron beam (RE3) injection is presented. Comparisons with prior work and considerations for both research and reactor sized systems are included. Guiding center orbits for beam electrons in a tokamak are obtained and requirements for significant beam penetration of the plasma are determined. Interaction mechanics of the beam with the plasma are reviewed and ion heating and runaway problems are considered.
Author : R.B. White
Publisher : Elsevier
ISBN 13 : 1483293262
Total Pages : 374 pages
Book Rating : 4.4/5 (832 download)
Download or read book Theory of Tokamak Plasmas written by R.B. White and published by Elsevier. This book was released on 2017-01-31 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a graduate textbook on tokamak physics, designed to provide a basic introduction to plasma equilibrium, particle orbits, transport, and those ideal and resistive magnetohydrodynamic instabilities which dominate the behavior of a tokamak discharge, and to develop the mathematical methods necessary for their theoretical analysis.
Author : Sundaresan Sridhar
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (125 download)
Download or read book Study of Tokamak Plasma Disruptions and Runaway Electrons in a Metallic Environment written by Sundaresan Sridhar and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tokamaks are the devices currently closest to achieve nuclear fusion power and disruptions are unfavorable events in which the plasma energy is lost in a very short timescale causing damage to tokamak structures. RE beams are one of the consequence of disruptions and they carry the risk of in-vessel component damage. Thus, the prevention and control of the RE are of prime importance. The current strategy for runaway electrons is to avoid their generation by a massive material injection (MMI). If their generation cannot be avoided, a 2nd MMI will be used to mitigate the generated RE beam. After the 1st MMI to prevent RE generation, a background plasma of 1st MMI impurities is formed which make the second MMI inefficient to mitigate RE beams inefficient, as observed in the JET tokamak. In this thesis, the physics of the interaction between the RE beam and the mitigation MMI in the presence of a cold background plasma is studied.
Download or read book Leakage of Runaway Electrons from Tokamaks written by and published by . This book was released on 1982 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Runaway electron orbits are calculated in a tokamak magnetic field. It is shown that these electrons tend to drift towards a larger major radius with a velocity v Vector/sub R/ = qcE/B0 R. This effect may be relevant to some recent experimental observations in tokamaks.
Author : Alexander Hugh Morton
Publisher :
ISBN 13 :
Total Pages : 11 pages
Book Rating : 4.:/5 (153 download)
Download or read book The Energy of Runaway Electrons in the LT-4 Tokamak written by Alexander Hugh Morton and published by . This book was released on 1987 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Michael Forster
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book Runaway Electrons in Disrupions and Perturbed Magnetic Topologies of Tokamak Plasmas written by Michael Forster and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Department of Energy. Division of Magnetic Confinement Systems
Publisher :
ISBN 13 :
Total Pages : 124 pages
Book Rating : 4.:/5 (319 download)
Download or read book Steady-state Current Drive in Tokamaks Workshop Summary written by United States. Department of Energy. Division of Magnetic Confinement Systems and published by . This book was released on 1979 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Equilibrium, Confinement and Stability of Runaway Electrons in Tokamaks written by and published by . This book was released on 1976 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Some of the ramifications of the runaway population in tokamak experiments are investigated. Consideration is given both to the normal operating regime of tokamaks where only a small fraction of high energy runaways are present and to the strong runaway regime where runaways are thought to carry a significant portion of the toroidal current. In particular, the areas to be examined are the modeling of strong runaway discharges, single particle orbit characteristics of runaways, macroscopic beam-plasma equilibria, and stability against kink modes. A simple one-dimensional, time-dependent model has been constructed in relation to strong runaway discharges. Single particle orbits are analyzed in relation to both the strong runaway regime and the weak regime. The effects of vector E x vector B drifts are first considered in strong runaway discharges and are found to lead to a slow inward shrinkage of the beam. Macroscopic beam-plasma equilibria are treated assuming a pressureless relativistic beam with inertia and using an ideal MHD approximation for the plasma. The stability of a toroidal relativistic beam against kink perturbations is examined using several models. (MOW).
Author : Steward Jay Zweben
Publisher :
ISBN 13 :
Total Pages : 578 pages
Book Rating : 4.E/5 ( download)
Download or read book An Investigation of High Energy Runaway Electron Confinement in the Oak Ridge Tokamak written by Steward Jay Zweben and published by . This book was released on 1977 with total page 578 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : V. V. Alikaev
Publisher :
ISBN 13 :
Total Pages : 23 pages
Book Rating : 4.:/5 (713 download)
Download or read book The Role of Runaway Electrons in the Development of Instability in the Tokamak written by V. V. Alikaev and published by . This book was released on 1973 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt:
