Experiments on Viscous and Asymmetry-induced Transport in Magnetized, Pure Electron Plasmas PDF Download
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Author: Jason Michael Kriesel
Publisher:
ISBN:
Category :
Languages : en
Pages : 424
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Author: Jason Michael Kriesel
Publisher:
ISBN:
Category :
Languages : en
Pages : 424
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Author: Brian Paul Cluggish
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Category :
Languages : en
Pages : 368
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Author: Erik Peter Gilson
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Category :
Languages : en
Pages : 240
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We performed experiments that explore the effects of a quadrupole magnetic field on a pure electron plasma confined in a Malmberg-Penning trap. This work is important both as an example of resonant particle transport and for antihydrogen (H-bar)). The H-bar experiments plan to use magnetic quadrupole neutral atom traps to confine H-bar atoms created in double-well positron/antiproton Malmberg-Penning traps. Our results show that a quadrupole field of only 0.020 G/cm can cause significant transport when applied to a 1 cm radius plasma confined by an axial field of 100 G. Our model describes the shape of the plasma and shows that resonant electrons follow trajectories that take them on large radial excursions, leading to enhanced transport. If the electrons are off resonance, then diffusion will not be greatly enhanced. The measured diffusion scales like the square of the quadrupole field strength, inversely like the square of the axial magnetic field and. below resonance, like the square of the E x B rotation frequency. The location of the resonance in parameter space scales accordingly as we vary the length and temperature of the plasma. However, the temperature used in fitting the data differs from the independently measured temperature by a factor of four, suggesting that our description of the effect as purely diffusive is not correct.
Author: C Wendell Horton, Jr
Publisher: #N/A
ISBN: 9813225904
Category : Science
Languages : en
Pages : 522
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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: James Robert Danielson
Publisher:
ISBN:
Category :
Languages : en
Pages : 188
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Category : Dissertations, Academic
Languages : en
Pages : 708
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Author: Eric Matthias Hollmann
Publisher:
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Category :
Languages : en
Pages : 322
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Category : Dissertation abstracts
Languages : en
Pages : 784
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Category : Power resources
Languages : en
Pages : 442
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Author:
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Category : Engineering
Languages : en
Pages : 610
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Monthly. Papers presented at recent meeting held all over the world by scientific, technical, engineering and medical groups. Sources are meeting programs and abstract publications, as well as questionnaires. Arranged under 17 subject sections, 7 of direct interest to the life scientist. Full programs of meetings listed under sections. Entry gives citation number, paper title, name, mailing address, and any ordering number assigned. Quarterly and annual indexes to subjects, authors, and programs (not available in monthly issues).
