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Author : A. Pytte
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.:/5 (355 download)
Download or read book Neoclassical Transport in Helically Symmetric Plasmas written by A. Pytte and published by . This book was released on 1979 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Neoclassical Transport in Helically Symmetric Plasmas written by and published by . This book was released on 1979 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The neoclassical rate of diffusion is calculated in such a way that the result is applicable to both helically symmetric and toroidally symmetric plasmas.
Author : John M. Canik
Publisher :
ISBN 13 :
Total Pages : 254 pages
Book Rating : 4.:/5 (891 download)
Download or read book Measurements of Reduced Neoclassical Particle and Electron Heat Transport with Quasisymmetry in the HSX Stellarator written by John M. Canik and published by . This book was released on 2007 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Radu Balescu
Publisher : North Holland
ISBN 13 :
Total Pages : 376 pages
Book Rating : 4.F/5 ( download)
Download or read book Transport Processes in Plasmas written by Radu Balescu and published by North Holland. This book was released on 1988 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: Existing textbooks on plasma physics usually contain only a minor contribution devoted to plasma transport. The aim of Transport Processes in Plasmas'' is to provide a comprehensive and unified presentation of the transport theory in plasmas. This subject is of great importance in general statistical and plasma physics; moreover, it constitutes a keystone in the thermonuclear fusion programme as well as in astro- and geophysics. The subject is presented here by unified concepts, methods and notations. The contents are strongly embedded in a general framework of theoretical physics, appealing to modern Hamiltonian mechanics, kinetic theory, non-equilibrium thermodynamics, etc. The necessary concepts from these disciplines are briefly but completely explained, making the two volumes a self-contained text. Plasma transport theory can be characterised as a truly interdisciplinary activity, and several chapters are included containing the important concepts of these peripheral fields, briefly and completely. Many new features are introduced in those two volumes.
Author :
Publisher : ScholarlyEditions
ISBN 13 : 1464963657
Total Pages : 2502 pages
Book Rating : 4.4/5 (649 download)
Download or read book Issues in Nuclear, High Energy, Plasma, Particle, and Condensed Matter Physics: 2011 Edition written by and published by ScholarlyEditions. This book was released on 2012-01-09 with total page 2502 pages. Available in PDF, EPUB and Kindle. Book excerpt: Issues in Nuclear, High Energy, Plasma, Particle, and Condensed Matter Physics: 2011 Edition is a ScholarlyEditions™ eBook that delivers timely, authoritative, and comprehensive information about Nuclear, High Energy, Plasma, Particle, and Condensed Matter Physics. The editors have built Issues in Nuclear, High Energy, Plasma, Particle, and Condensed Matter Physics: 2011 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Nuclear, High Energy, Plasma, Particle, and Condensed Matter Physics in this eBook to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Issues in Nuclear, High Energy, Plasma, Particle, and Condensed Matter Physics: 2011 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.
Author :
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (684 download)
Download or read book Neoclassical Transport of Energetic Particles in Asymmetric Toroidal Plasma. Progress Report written by and published by . This book was released on 1997 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the most recent funding period the authors obtained results important for helical confinement systems and in the use of modern computational methods for modeling of fusion systems. The most recent results include showing that the set of magnetic field functions that are omnigenous (i.e., the bounce-average drift lies within the flux surface) and, therefore, have good transport properties, is much larger than the set of quasihelical systems. This is important as quasihelical systems exist only for large aspect ratio. The authors have also carried out extensive earlier work on developing integrable three-dimensional magnetic fields, on trajectories in three-dimensional configurations, and on the existence of three-dimensional MHD equilibria close to vacuum integrable fields. At the same time they have been investigating the use of object oriented methods for scientific computing.
Author :
Publisher :
ISBN 13 :
Total Pages : 782 pages
Book Rating : 4.3/5 (129 download)
Download or read book Energy Research Abstracts written by and published by . This book was released on 1995 with total page 782 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Zhihong Lin
Publisher :
ISBN 13 :
Total Pages : 4 pages
Book Rating : 4.:/5 (713 download)
Download or read book Neoclassical Transport in Enhanced Confinement Toroidal Plasmas written by Zhihong Lin and published by . This book was released on 1996 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : H. Sugama
Publisher :
ISBN 13 :
Total Pages : 38 pages
Book Rating : 4.:/5 (258 download)
Download or read book Entropy Production and Onsager Symmetry in Neoclassical Transport Processes of Toroidal Plasmas written by H. Sugama and published by . This book was released on 1995 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 310 pages
Book Rating : 4.3/5 (91 download)
Download or read book Fusion Energy Update written by and published by . This book was released on 1978 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J. Vaclavik
Publisher :
ISBN 13 :
Total Pages : 750 pages
Book Rating : 4.:/5 (39 download)
Download or read book Theory of Fusion Plasmas written by J. Vaclavik and published by . This book was released on 1989 with total page 750 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Shaojie Wang
Publisher :
ISBN 13 :
Total Pages : 7 pages
Book Rating : 4.:/5 (248 download)
Download or read book Reduced Drift Kinetic Equation for Neoclassical Transport of Helical Plasmas in Ultra-low Collisionality Regime written by Shaojie Wang and published by . This book was released on 1999 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Y. Ueda
Publisher :
ISBN 13 :
Total Pages : 552 pages
Book Rating : 4.:/5 (318 download)
Download or read book Helical System Research written by Y. Ueda and published by . This book was released on 1998 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Juan Fernando Castillo
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (134 download)
Download or read book Impurity Transport Experiments at HSX with Laser Blow-off Injection written by Juan Fernando Castillo and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The fundamental goal of this research is to further the knowledge of impurity transport by quantifying the impurity confinement properties and comparing them to the predictions of neoclassical theory. A laser blow-off (LBO) system that injects a controlled amount of aluminum neutrals into the plasma is used to conduct this research. This study is the first detailed analysis of impurity transport at the Helically Symmetric Experiment (HSX) stellarator. Experiments were conducted that altered the absorbed power while keeping the electron line-averaged density constant. Four power settings were generated by changing the heating location to off-axis positions. For plasmas with an absorbed ECH power (P[italics]) of 11.3 kW (the highest setting), the experimentally-inferred diffusivity coefficient (D[italics]) is 3.5 m[^2]/s, constant over the minor radius. A D[italics] coefficient of 1.7 m[^2]/s is inferred when reducing P[italics] to 6.3 kW, the lowest power setting. The neoclassical calculations from the PENTA code predict the diffusivity (D[nc italics]) to be no larger than 0.01 m[^2]/s. Impurity confinement times [lowercase tau symbol] were calculated by fitting the decay of computationally-modeled aluminum density. Analysis regarding the dependence of the impurity confinement on the absorbed ECH power exhibit a [tau symbol] [approx] P[^-1][italics] scaling, similar to the ISS04 scaling. The impurity D[italics] was found to be more than two orders of magnitude larger than the neoclassically-predicted D[nc italics] for all four power settings. Additionally, the power scaling dependence indicates that neoclassical diffusion alone is insufficient to explain these results. Conclusions from this dissertation constitute quantitative evidence that impurity transport is dominated by anomalous transport. This supports the notion that HSX exhibits a considerable amount of turbulent transport, most likely due to trapped electron mode (TEM) turbulence.
Author : Linjin Zheng
Publisher : Morgan & Claypool Publishers
ISBN 13 : 1643271385
Total Pages : 153 pages
Book Rating : 4.6/5 (432 download)
Download or read book Magnetically Confined Fusion Plasma Physics written by Linjin Zheng and published by Morgan & Claypool Publishers. This book was released on 2019-02-06 with total page 153 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes the ideal magnetohydrodynamic theory for magnetically conned fusion plasmas. Advanced topics are presented in attempting to fill the gap between the up-to-date research developments and plasma physics textbooks. Nevertheless, they are self contained and trackable with the mathematical treatments detailed and underlying physics explained. Both analytical theories and numerical schemes are given. Besides the current research developments in this field, the future prospects are also discussed. Nowadays, it is believed that, if the ideal MHD theory predicts major instabilities, none of the magnetic confinements of fusion plasmas can survive. The author has also written the book Advanced Tokamak Stability Theory. In view of its importance, the MHD theory is further systematically elaborated in this book. The conventional ideal MHD framework is reviewed together with the newly developed multi-parallel-fluid MHD theory. The MHD equilibrium theory and code are described with the non-letter-'X' separatrix feature pointed out. The continuum modes, quasi-modes, phase mixing, and Alfven resonance heating are analysed. The analytical theories for MHD stability in tokamak configurations are systematically presented, such as the interchange, peeling, ballooning, toroidal Alfven modes, and kink type of modes. The global stability computations are also addressed, including resistive wall modes, error-field amplifications, and Alfven modes, etc.
Author : K. Nishikawa
Publisher : Springer Science & Business Media
ISBN 13 : 3662040786
Total Pages : 353 pages
Book Rating : 4.6/5 (62 download)
Download or read book Plasma Physics written by K. Nishikawa and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 353 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a thorough treatment of plasma physics, beginning at an introductory level and proceeding to an extensive discussion of its applications in thermonuclear fusion research. The physics of fusion plasmas is explained mainly in relation to recent progress in tokamak research, but other plasma confinement schemes, such as stellarators and inertial confinement, are also described. The unique and systematic presentation will help readers to understand the overall structure of plasma theory.
Author : Andrés de Bustos Molina
Publisher : Springer Science & Business Media
ISBN 13 : 3319004220
Total Pages : 135 pages
Book Rating : 4.3/5 (19 download)
Download or read book Kinetic Simulations of Ion Transport in Fusion Devices written by Andrés de Bustos Molina and published by Springer Science & Business Media. This book was released on 2013-08-13 with total page 135 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis deals with the problem of ion confinement in thermonuclear fusion devices. It is a topic of general interest, as it helps to understand via numerical simulations the ion confinement properties in complex geometries, in order to predict their behavior and maximize the performance of future fusion reactors. The main work carried out in this thesis is the improvement and exploitation of an existing simulation code called ISDEP. This code solves the so-called ion collisional transport in arbitrary plasma geometry, improving in this sense other existing codes. Additionally, it presents outstanding portability and scalability in distributed computing architectures, such as Grid or Volunteer Computing. The main physical results can be divided into two blocks. First, the study of 3D ion transport in ITER is presented. ITER is the largest fusion reactor (under construction) and most of the simulations so far assume the axis-symmetry of the device. Unfortunately, this symmetry is only an approximation because of the discrete number of magnetic coils used. ISDEP has shown, using a simple model of the 3D magnetic field, how the ion confinement is affected by this symmetry breaking. Secondly, ISDEP has been applied successfully to the study of fast ion dynamics in fusion plasmas. The fast ions, with energies much larger than the thermal energy, are a product of the device’s heating system. Thus, a numerical predictive tool can be used to improve the heating efficiency. ISDEP has been combined with the FAFNER2 code to study such ions in stellarator (TJ-II, LHD) and tokamak (ITER) geometries. It has also been validated by experimental results. In particular, comparisons with the CNPA diagnostic in the TJ-II stellarator are remarkable.
