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Author : Michael Alan Beer
Publisher :
ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.:/5 (713 download)
Download or read book Comparisons of Gyrofluid and Gyrokinetic Simulations written by Michael Alan Beer and published by . This book was released on 1994 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Comparisons of Gyrofluid and Gyrokinetic Simulations written by and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The gyrokinetic and gyrofluid models show the most promise for large scale simulations of tokamak microturbulence. This paper discusses detailed comparisons of these two complementary approaches. Past comparisons with linear theory have been fairly good, therefore the emphasis here is on nonlinear comparisons. Simulations include simple two dimensional slab test cases, turbulent three dimensional slab cases, and toroidal cases, each modeling the nonlinear evolution of the ion temperature gradient instability. There is good agreement in both turbulent and coherent nonlinear slab comparisons in terms of the ion heat flux, both in magnitude and scaling with magnetic shear. However, the nonlinear saturation level for [vert-bar][Phi][vert-bar] in the slab comparisons show differences of approximately 40%. Preliminary toroidal comparisons show agreement within 50%, in terms of ion heat flux and saturation level.
Download or read book Plasma Simulation Using Gyrokinetic-Gyrofluid Hybrid Models written by and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We are developing kinetic ion models for the simulation of extended MHD phenomena. The model they have developed uses full Lorentz force ions, and either drift-kinetic or gyro-kinetic electrons. Quasi-neutrality is assumed and the displacement current is neglected. They are also studying alpha particle driven Toroidal Alfven Eigenmodes (TAE) in the GEM gyrokinetic code [Chen 07]. The basic kinetic ion MHD model was recently reported in an invited talk given by Dan Barnes at the 2007 American Physical Society - Division of Plasma Physics (APS-DPP) and it has been published [Jones 04, Barnes 08]. The model uses an Ohm's law that includes the Hall term, pressure term and the electron inertia [Jones 04]. These results focused on the ion physics and assumed an isothermal electron closure. It is found in conventional gyrokinetic turbulence simulations that the timestep cannot be made much greater than the ion cyclotron period. However, the kinetic ion MHD model has the compressional mode, which further limits the timestep. They have developed an implicit scheme to avoid this timestep constraint. They have also added drift kinetic electrons. This model has been benchmarked linearly. Waves investigated where shear and compressional Alfven, whisterl, ion acoustic, and drift waves, including the kinetic damping rates. This work is ongoing and was first reported at the 2008 Sherwood Fusion Theory Conference [Chen 08] and they are working on a publication. They have also formulated an integrated gyrokinetic electron model, which is of interest for studying electron gradient instabilities and weak guide-field magnetic reconnection.
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ISBN 13 :
Total Pages : 538 pages
Book Rating : 4.:/5 (319 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author : National Science and Technology Council (U.S.). Committee on Information and Communications
Publisher :
ISBN 13 :
Total Pages : 148 pages
Book Rating : 4.3/5 ( download)
Download or read book High Performance Computing and Communications written by National Science and Technology Council (U.S.). Committee on Information and Communications and published by . This book was released on 1995 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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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:
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ISBN 13 :
Total Pages : 10 pages
Book Rating : 4.:/5 (16 download)
Download or read book Theory and Gyro-fluid Simulations of Edge-Localized-Modes written by and published by . This book was released on 2012 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Bruce Scott
Publisher :
ISBN 13 : 9780750338561
Total Pages : 0 pages
Book Rating : 4.3/5 (385 download)
Download or read book Gyrokinetic Theory and Gyrofluid Turbulence written by Bruce Scott and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Weston M. Stacey
Publisher : John Wiley & Sons
ISBN 13 : 3527618740
Total Pages : 571 pages
Book Rating : 4.5/5 (276 download)
Download or read book Fusion Plasma Physics written by Weston M. Stacey and published by John Wiley & Sons. This book was released on 2008-09-26 with total page 571 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nuclear fusion has the potential to become the most important energy source of the new century. But still many problems, as e.g. the confinement of the plasma, are not yet solved. Thus they are subject to intense research which drives a rapid evolvement of this field of nuclear physics, and generates the need for an up-to-date textbook for graduate students. This state-of-the-art textbook assembles the material for a modern course, and is aimed at graduate and advanced undergraduate students. It both introduces the fundamental principles and theories of fusion plasma physics, and presents the most recent topics from various sources in a systematic and concise way. Each chapter is rounded off with a set of exercises.
Author :
Publisher : World Scientific
ISBN 13 : 1911299239
Total Pages : 389 pages
Book Rating : 4.9/5 (112 download)
Download or read book written by and published by World Scientific. This book was released on with total page 389 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Michael Alan Beer
Publisher :
ISBN 13 :
Total Pages : 55 pages
Book Rating : 4.:/5 (713 download)
Download or read book Toroidal Gyrofluid Equations for Simulations of Tokamak Turbulence written by Michael Alan Beer and published by . This book was released on 1996 with total page 55 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Equivalence of Two Different Approaches to Global Δf Gyrokinetic Simulations written by and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Oliver Zacharias
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ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (935 download)
Download or read book Gyrokinetic Simulations of Tearing Modes written by Oliver Zacharias and published by . This book was released on 2015 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Takeshi Yao
Publisher : Springer Science & Business Media
ISBN 13 : 4431540679
Total Pages : 332 pages
Book Rating : 4.4/5 (315 download)
Download or read book Zero-Carbon Energy Kyoto 2011 written by Takeshi Yao and published by Springer Science & Business Media. This book was released on 2012-12-09 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since 2008, the Global Center of Excellence (COE) at Kyoto University, Japan, has been engaged in a program called “Energy Science in the Age of Global Warming—Toward a CO2 Zero-Emission Energy System.” Its aim is to establish an international education and research platform to foster educators, researchers, and policy makers who can develop technologies and propose policies for establishing a CO2 zero-emission society no longer dependent on fossil fuels. It is well known that the energy problem cannot simply be labeled a technological one, as it is also deeply involved with social and economic issues. The establishment of a “low-carbon energy science” as an interdisciplinary field integrating social sciences with natural sciences is necessary. The Global COE is setting out a zero-emission technology roadmap and is promoting socioeconomic studies of energy, studies of new technologies for renewable energies, and research for advanced nuclear energy. It has also established the Global COE Unit for Energy Science Education to support young researchers as they apply their skills and knowledge and a broad international perspective to respond to issues of energy and the environment in our societies. Comprising the proceedings of the Third International Symposium of the Global COE Program, this book follows on the earlier volumes Zero-Carbon Energy Kyoto 2009 and 2010, published in March 2010 and February 2011, respectively.
Author : Jerome L. V. Lewandowski
Publisher :
ISBN 13 :
Total Pages : 11 pages
Book Rating : 4.:/5 (713 download)
Download or read book Gyrokinetic Simulations of Microinstabilities in Stellarator Geometry written by Jerome L. V. Lewandowski and published by . This book was released on 2003 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Holger Fehske
Publisher : Springer
ISBN 13 : 3540746862
Total Pages : 774 pages
Book Rating : 4.5/5 (47 download)
Download or read book Computational Many-Particle Physics written by Holger Fehske and published by Springer. This book was released on 2007-12-10 with total page 774 pages. Available in PDF, EPUB and Kindle. Book excerpt: Looking for the real state of play in computational many-particle physics? Look no further. This book presents an overview of state-of-the-art numerical methods for studying interacting classical and quantum many-particle systems. A broad range of techniques and algorithms are covered, and emphasis is placed on their implementation on modern high-performance computers. This excellent book comes complete with online files and updates allowing readers to stay right up to date.
Author : Takashi Okazaki
Publisher : John Wiley & Sons
ISBN 13 : 3527414037
Total Pages : 644 pages
Book Rating : 4.5/5 (274 download)
Download or read book Fusion Reactor Design written by Takashi Okazaki and published by John Wiley & Sons. This book was released on 2022-03-14 with total page 644 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fusion Reactor Design Provides a detailed overview of fusion reactor design, written by an international leader in the field Nuclear fusion—generating four times as much energy from the same mass of fuel as nuclear fission—is regarded by its proponents as a viable, eco-friendly alternative to gas-fired, coal-fired, and conventional power plants. Although the physics of nuclear fusion is essentially understood, the construction of prototype reactors currently presents significant technical challenges. Fusion Reactor Design: Plasma Physics, Fuel Cycle System, Operation and Maintenance provides a systematic, reader-friendly introduction to the characteristics, components, and critical systems of fusion reactors. Focusing on the experimental Tokamak reactor, this up-to-date resource covers relevant plasma physics, necessary technology, analysis methods, and the other aspects of fusion reactors. In-depth chapters include derivations of key formulas, figures highlighting physical and structural characteristics of fusion reactors, illustrative numerical calculations, practical design examples, and more. Designed to help researchers and engineers understand and overcome the technological difficulties in making fusion power a reality, this volume: Provides in-depth knowledge on controlled thermonuclear fusion and its large-scale application in both current fusion reactors and future test reactors Covers plasma analysis, plasma equilibrium and stability, and plasma transport and confinement, and safety considerations Explains each component of fusion reactors, including divertors, superconducting coils, plasma heating and current drive systems, and vacuum vessels Discusses safety aspects of fusion reactors as well as computational approaches to safety aspects of fusion reactors Fusion Reactor Design: Plasma Physics, Fuel Cycle System, Operation and Maintenance is required reading for undergraduate and graduate students studying plasma physics and fusion reactor technology, and an important reference for nuclear physicists, nuclear reactor manufacturers, and power engineers involved in fusion reactor research and advanced technology development.
