Fusion Reactor Plasmas with Polarized Nuclei - II.
Author | : R. M. Kulsrud |
Publisher | : |
Total Pages | : 18 |
Release | : 1982 |
Genre | : |
ISBN | : |
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Author | : R. M. Kulsrud |
Publisher | : |
Total Pages | : 18 |
Release | : 1982 |
Genre | : |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : |
Release | : 1982 |
Genre | : |
ISBN | : |
New techniques of bulk polarization could be used to fuel a reactor with polarized hydrogenic atoms, so as to form a plasma of polarized nuclei. Theoretical calculations indicate that, once the nuclei of the plasma are polarized in some preferred state, they can maintain this state with a probability near 100% during their lifetime in the reactor, including possible recycling. There are a number of practical advantages to be gained from the use of polarized plasma in a fusion reactor. The nuclear reaction rates can be increased or decreased, and/or the direction of emission of the reaction products can be controlled. The D-T reaction rate can be enhanced by as much as 50%, with the reaction products emitted perpendicular to the magnetic field. Alternatively, it is possible to direct the reaction products primarily along the field, with no enhancement. In this case of the D-D reaction, the theoretical predictions are somewhat less certain. Enhancement of the reaction rate by a factor of 1.5-2.5 is to be expected. In a different polarization state, suppression of D-D reactions may be feasible - a possibility that would be of interest for a neutron-free D-He3 reactor. A quantitative discussion of the relevant nuclear physics as well as of the various mechanisms producing depolarization is given.
Author | : R. M. Kulsrud |
Publisher | : |
Total Pages | : |
Release | : 1982 |
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ISBN | : |
Author | : B. Brunelli |
Publisher | : Springer Science & Business Media |
Total Pages | : 286 |
Release | : 2013-11-11 |
Genre | : Science |
ISBN | : 1475759304 |
The International School of Fusion Reactor Technology started its courses 15 years ago and since then has mantained a biennial pace. Generally, each course has developed the subject which was announced in advance at the closing of the previous course. The subject to which the present proceedings refer was chosen in violation of that rule so as to satisfy the recent and diffuse interest in cold fusion among the main European laboratories involved in controlled thermonuclear research (CTR). In the second half of 1986 we started to prepare a workshop aimed at assessing the state of the art and possibly of the perspectives of muon- catalyzed fusion. Research in this field has recently produced exciting experimental results open to important practical applications. We thought it worthwhile to consider also the beneficial effects and problems of the polarization ofthe nuclei in both cold and thermonuclear fusion. In preparing the 8th Course on Fusion Reactor Technology, it was necessary to abandon the traditional course format because the influence of the workshop procedure was inevitable: the participants were roughly equally divided into experts in cold fusion and experts in thermonuclear fusion. The course had largely an interdisciplinary character as many disciplines were involved: atomic and molecular physics, nuclear physics, accelerator technology, system analysis, etc. Plasma physics was excluded, with a sigh of relief from the experts in thermonuclear fusion.
Author | : R. M. Kulsrud |
Publisher | : |
Total Pages | : 11 |
Release | : 1982 |
Genre | : |
ISBN | : |
Author | : Giuseppe Ciullo |
Publisher | : Springer |
Total Pages | : 166 |
Release | : 2016-07-13 |
Genre | : Science |
ISBN | : 3319394711 |
This book offers a detailed examination of the latest work on the potential of polarized fuel to realize the vision of energy production by nuclear fusion. It brings together contributions from nuclear physicists and fusion physicists with the aims of fostering exchange of information between the two communities, describing the current status in the field, and examining new ideas and projects under development. It is evident that polarized fuel can offer huge improvements for the first generation of fusion reactors and open new technological possibilities for future generations, including neutron lean reactors, which could be the most popular and sustainable energy production option to avoid environmental problems. Nevertheless, many questions must be resolved before polarized fuel can be used for energy production in the different reactor types. Readers will find this book to be a stimulating source of information on the key issues. It is based on contributions from leading scientists delivered at the meetings “Nuclear Fusion with Polarized Nucleons” (Trento, November 2013) and “PolFusion” (Ferrara, July 2015).
Author | : |
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Total Pages | : |
Release | : 1987 |
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ISBN | : |
It is shown that the d-t fusion reaction can be modified by polarizing nuclear spins. The ways in which this improves reactor performance are mentioned and the feasibility of the process of spin polarization for magnetic fusion is discussed. 18 refs.
Author | : |
Publisher | : |
Total Pages | : 160 |
Release | : 1986 |
Genre | : Controlled fusion |
ISBN | : |
Author | : Hans Wilhelmsson |
Publisher | : CRC Press |
Total Pages | : 158 |
Release | : 1999-12-01 |
Genre | : Science |
ISBN | : 1482268663 |
Journeying through fusion in the universe, Fusion: A Voyage Through the Plasma Universe discusses all aspects of fusion and how they relate to our universe. It also studies the attempts to produce fusion energy on Earth. The book addresses a wide range of topics from stars, galaxies, comets, pulsars, black holes, and quasars to the auroras, lightni
Author | : |
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Total Pages | : |
Release | : 1988 |
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ISBN | : |
A method of controlling the reaction rates of the fuel atoms in a fusion reactor comprises the step of polarizing the nuclei of the fuel atoms in a particular direction relative to the plasma confining magnetic field. Fusion reaction rates can be increased or decreased, and the direction of emission of the reaction products can be controlled, depending on the choice of polarization direction.