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1 - Nuclear Sciences and Applications - IAEA

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414 AGIM et al.<br />

Hence, the prevention of total reconnect ion does not seem to<br />

result from the divertor geometry of Tokapole II. Indeed, this<br />

partial reconnection has now also been observed in materially<br />

limited Tokapole II discharges, <strong>and</strong>, recently, in larger<br />

non-diverted tokamaks. The explanation for the partial<br />

reconnection might lie outside the MHD model presently employed<br />

(unless the totally reconnected state is short lived, as may be<br />

true for at least some equilibria studied).<br />

ACKNOWLEDGEMENT<br />

This work is supported by the US Department of Energy <strong>and</strong><br />

by the National Science Foundation.<br />

REFERENCES<br />

[1] BRICKHOUSE, N.S., et al., in Plasma Physics <strong>and</strong> Controlled <strong>Nuclear</strong> Fusion Research 1984<br />

(Proc. 10th Int. Conf. London, 1984), Vol. 1, <strong>IAEA</strong>, Vienna (1985) 385.<br />

[2] KROMMES, J.A., OBERMAN, C, KLEVA, R.G., J. Plasma Phys. 30 (1983) 11.<br />

[3] MOYER, R.A., Magnetic <strong>and</strong> Material Limiter Discharges in Tokapole II, PhD Thesis,<br />

University of Wisconsin-Madison (1988).<br />

[4] UCHIMOTO, E., CALLEN, J.D., GARCIA, L., Bull. Am. Phys. Soc. 30 (1985) 1421.<br />

[5] UCHIMOTO, E., Numerical Simulations of Resistive Magnetohydrodynamic Instabilities in a<br />

Poloidal Divertor Tokamak, PhD Thesis, University of Wisconsin-Madison (1988).<br />

[6] UCHIMOTO, E., CALLEN, J.D., Sherwood Theory Conference, San Diego, California, 1987,<br />

Paper 1D18.<br />

[7] HARNED, D.S., KERNER, W., J. Comput. Phys. 60 (1985) 62.<br />

[8] WHITE, R.B., et al., Phys. Fluids 20 (1977) 800.<br />

[9] OSBORNE, T.H., DEXTER, R.N., PRAGER, S.C., Phys. Rev. Lett. 49 (1982) 734.

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