Rotational Pumping Transport in Magnetized, Non-neutral Plasmas PDF Download
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Author: Steven Mark Crooks
Publisher:
ISBN:
Category :
Languages : en
Pages : 246
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Author: Steven Mark Crooks
Publisher:
ISBN:
Category :
Languages : en
Pages : 246
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Author: Eric Matthias Hollmann
Publisher:
ISBN:
Category :
Languages : en
Pages : 322
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Author: C Wendell Horton, Jr
Publisher: #N/A
ISBN: 9813225904
Category : Science
Languages : en
Pages : 522
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Book Description
For a few seconds with large machines, scientists and engineers have now created the fusion power of the stars in the laboratory and at the same time find the rich range of complex turbulent electromagnetic waves that transport the plasma confinement systems. The turbulent transport mechanisms created in the laboratory are explained in detail in the second edition of 'Turbulent Transport in Magnetized Plasmas' by Professor Horton.The principles and properties of the major plasma confinement machines are explored with basic physics to the extent currently understood. For the observational laws that are not understood — the empirical confinement laws — offering challenges to the next generation of plasma students and researchers — are explained in detail. An example, is the confinement regime — called the 'I-mode' — currently a hot topic — is explored.Numerous important problems and puzzles for the next generation of plasma scientists are explained. There is growing demand for new simulation codes utilizing the massively parallel computers with MPI and GPU methods. When the 20 billion dollar ITER machine is tested in the 2020ies, new theories and faster/smarter computer simulations running in near real-time control systems will be used to control the burning hydrogen plasmas.
Author: Joel Fajans
Publisher: American Institute of Physics
ISBN:
Category : Science
Languages : en
Pages : 328
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Book Description
Annotation The study of non-neutral plasmas in traps is the keystone that connects parts of atomic and molecular physics, fluid dynamics, condensed matter physics, astrophysics, and antimatter physics with a variety of technologies such as atomic clocks, cyclotron mass spectrometers and a new standard for a pressure gauge, coherent radiation sources, accelerators, and fusion. Among the topics in 32 papers: long ion plasma confinement times with a "rotating wall"; pressure measurement using a pure electron plasma; and laser-cooled trapped-ion experiments at NIST. Includes an introduction by C.W. Roberson. No subject index. Annotation c. by Book News, Inc., Portland, Or.
Author: Philippe Ghendrih
Publisher: World Scientific
ISBN: 9814644846
Category : Science
Languages : en
Pages : 336
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Book Description
This book compiles the contributions from various international experts on magnetized plasma physics, both in controlled fusion and in astrophysics, and on atmospheric science. Most recent results are presented along with new ideas. The various facets of rotation and momentum transport in complex systems are discussed, including atmospheric-ocean turbulence, the constraints, and the concept of potential vorticity. The close interplay between flows and magnetohydrodynamics dynamo action, instabilities, turbulence and structure dynamics are the main focus of the book, in the context of astrophysics and magnetic fusion devices like Tokamak, and Reversed Field Pinch. Both physicists and advanced students interested in the field will find the topics as interesting as researchers from other fields who are looking to broaden their perspectives.
Author: Jason Michael Kriesel
Publisher:
ISBN:
Category :
Languages : en
Pages : 424
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Author: Brian Paul Cluggish
Publisher:
ISBN:
Category :
Languages : en
Pages : 368
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Author: Michael Drewsen
Publisher: American Inst. of Physics
ISBN: 9780735403604
Category : Science
Languages : en
Pages : 352
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Book Description
This book contains the proceedings of the Workshop on Non-Neutral Plasmas 2006. The Workshop focused on fundamental questions regarding confinement and dynamics of one-component plasmas as well as the relevance of these subjects to other related topics in physics, such as antimatter research, accelerator physics, atomic physics, and dusty plasmas.
Author: Ian Emanuel Ochs
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
This dissertation focuses on two related topics: controlling plasma rotation, and extracting ash from fusion reactors. Rotation is an extremely useful tool in plasma control, allowing for instability suppression, enhanced confinement, and the separation of different species. Ash, meanwhile, is a hot, charged byproduct of the fusion reaction that tends to heat electrons, degrading confinement and radiating away energy. Alpha channeling rectifies this situation by transferring the ash energy into a useful wave, while simultaneously extracting the ash from the plasma.It has been proposed that alpha channeling also extracts net charge from the plasma, generating an electric field and thus E x B rotation. However, existing theories do not explain how this process would conserve momentum.To develop a consistent theory, we first examine collisional transport in a magnetized plasma to review the deep connection between charge transport and momentum conservation. We then use this intuition to guide the development of a self-consistent, momentum-conserving theory of alpha channeling. We find an important difference between plane waves which grow in time, which do not drive rotation, and spatially structured waves, which do. This theory definitively determines the conditions under which alpha channeling extracts charge, within a very simple mathematical framework.Our models have many applications. We explore how E x B rotation can be used in toroidal systems to provide a self-consistent rotational transform, or in open-field-line geometries to centrifuge and remediate nuclear waste. We also show how waves can mediate collisionless momentum exchange between plasma constituents, and thus generate currents and magnetic fields in astrophysical systems.The techniques we develop turn out to also have immediate application to inertial confinement systems. We uncover surprising effects in Z-pinches, showing how magneto-inertial fusion reactors can be made more reactive than previously thought by leveraging multi-ion transport effects that naturally flush out ash. We also explain unintuitive rotation and current redistribution effects in existing Z-pinch experiments.Despite our application to very different plasma systems, occurring in apparently far-flung regimes of plasma physics, the same themes and models emerge repeatedly. Recognizing these deep connections reveals new opportunities for improving plasma control.
Author:
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 946
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