Causes of Magnetic-field Nonuniformity and Its Effect on Stability of Theta-pinch Plasma PDF Download
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Author: Joseph Norwood
Publisher:
ISBN:
Category : Pinch effect (Physics)
Languages : en
Pages : 76
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Book Description
The various instabilities which beset the theta-pinch plasma are described in some detail, and the importance of the role of magnetic-field uniformity is demonstrated. Sources of the field nonuniformity are delineated and discussed. These included the collector-plate geometry, the nonlinear effect of the plasma, and effects in the coil, discontinuity in gap spacing as the current flows into the coil, and effects of the alteration in axial current distribution due to skin effect.
Author: Joseph Norwood
Publisher:
ISBN:
Category : Pinch effect (Physics)
Languages : en
Pages : 76
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Book Description
The various instabilities which beset the theta-pinch plasma are described in some detail, and the importance of the role of magnetic-field uniformity is demonstrated. Sources of the field nonuniformity are delineated and discussed. These included the collector-plate geometry, the nonlinear effect of the plasma, and effects in the coil, discontinuity in gap spacing as the current flows into the coil, and effects of the alteration in axial current distribution due to skin effect.
Author:
Publisher:
ISBN:
Category : Pinch effect (Physics)
Languages : en
Pages : 63
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Category : Government publications
Languages : en
Pages :
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Author: Alan Wootton
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Category :
Languages : en
Pages :
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Author: Abdulgader Feturi Almagri
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Category :
Languages : en
Pages : 260
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Author: I. F. Kvartskava
Publisher:
ISBN:
Category : Pinch effect (Physics)
Languages : en
Pages : 24
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Author: Howard M. Stainer
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Category :
Languages : en
Pages : 71
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A theoretical study was made of the characteristics of structured plasma puffs produced in a two-coil theta-pinch gun. The puffs are fired into a drift tube containing a longitudinal magnetic field, and their subsequent behavior is analyzed. Electron-electron and ion-ion collision times are short enough so that scalar pressures (P = nkT) can be used. Ion-electron collision times, however, are of the duration of the experiment or longer, allowing the use of two-fluid moment equations. An idealized model for the plasma puffs is proposed in which the ion fluid rotates as a rigid body in one direction about the longitudinal axis, and the electron fluid rotates in the opposite direction. This high-Beta model yields self-consistent equilibrium density and magnetic field profiles, stemming from a balance among thermal, magnetic, centrifugal, and electrostatic forces, that are compatible with observation. It is shown that double magnetic pick-up loop signals can be analyzed to ascertain the temperature, peak density, angular momentum, etc., of the plasma as it travels down the tube, and a sample calculation is presented to indicate the probable evolution of a typical puff. Thus, the model provides a self-consistent high-Beta approach to the problem of plasma and magnetic-field interaction. (Author).
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Category : Union catalogs
Languages : en
Pages : 648
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Includes entries for maps and atlases.
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Category : Controlled fusion
Languages : en
Pages : 120
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Author:
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ISBN:
Category : Nuclear energy
Languages : en
Pages : 1174
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