Helical shaping method and apparatus to produce large translatio

Induced nuclear reactions: processes – systems – and elements – Nuclear fusion – Magnetic confinement of plasma

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G21B 100

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047342471

ABSTRACT:
A magnetically confined helical z-pinch plasma is formed as a helicoid having an approximately D-shaped cross section, thereby generating a large transform of magnetic field line pitch suitably distributed throughout the plasma volume to aid in the reversal of field lines in the axial direction and increase magnetic shear.

REFERENCES:
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patent: 4302284 (1981-11-01), Ohkawa
patent: 4560528 (1985-12-01), Ohkawa
Yoshikawa, S., "Design of a Helical-Axis Stellarator," Nuclear Fusion, vol. 23, No. 5, pp. 667-669 (1983).
Takeuchi, N., Y. Kondoh, T. Shimada and K. Sugita, "Equilibrium Configuration of Reversed Field Pinch with a Helical Magnetic Axis," Nuclear Fusion 24, pp. 1495-1500 (1984).
Furth; H. P., J. Killeen, M. N. Rosenbluth and B. Coppi, "Stabilization by Shear and Negative V", Plasma Physics and Controlled Nuclear Fusion Research 1965, vol. 1, IAEA, Vienna, 1966, pp. 103-126.
Taylor, H. P., J. B., "Relaxtion of Toroidal Plasma and Generation of Reverse Magnetic Fields," Physical Review Letters, vol. 33, No. 19, pp. 1139-1141, Nov. 4, 1974.
Bodin, H. A. B., and A. A. Newton, "Reversed-Field Pinch Research," Nuclear Fusion, vol. 20, No. 10, pp. 1255-1323 (1980).
Boozer, A. H., T. K. Chu, R. L. Dewar, H. P. Furth, J. A. Goree, J. L. Johnson, R. M. Kulsrud, D. A. Monticello, G. Kuo-Petravic, G. V. Sheffield, S. Yoshikawa, and O. Betancourt, "Two High-Beta Toroidal Configurations: A Stellarator and a Toramak-Torsatron Hybrid," Paper IAEA-CN-41/Q-4, 9th International Conference on Plasma Physics and Controlled Nuclear Fusion Research, Baltimore, Sep. 1-8, 1982.
Yoshikawa, Shoichi, "Heliac Configurations," 9th International Conference on Plasma Physics and Controlled Nuclear Fusion, Sep. 7, 1982.

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