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Plasma Shape Reconstruction of Spherical Tokamak using CCS Method

F. WANG, K. NAKAMURA¹⁾, O. MITARAI²⁾, K. KURIHARA³⁾, Y. KAWAMATA³⁾, M. SUEOKA³⁾, K. N. SATO¹⁾, H. ZUSHI¹⁾, K. HANADA¹⁾, M. SAKAMOTO¹⁾, H. IDEI¹⁾, M. HASEGAWA¹⁾, S. KAWASAKI¹⁾, H. NAKASHIMA¹⁾ and A. HIGASHIJIMA¹⁾

IGSES, Kyushu University

1)

RIAM, Kyushu University

2)

Kyushu Tokai University

3)

Japan Atomic Energy Agency

(Received 4 December 2006 / Accepted 23 April 2007 / Published 20 November 2007)

Abstract

Plasma shape reconstruction is important for plasma control of tokamak. Cauchy-Condition Surface (CCS) method is a numerical approach to reproduce plasma shape which has good precision in conventional tokamak. In order to apply it in the plasma shape reproduction of Compact PWI experimental Device (CPD) which is a new spherical tokamak in Kyushu University, the calculation precision of CCS method in CPD is analyzed in the paper.

Copyright (c) 2007 The Japan Society of Plasma Science and Nuclear Fusion Research

Keywords

plasma, spherical tokamak, Cauchy-Condition surface, shape reproduction

DOI: 10.1585/pfr.2.S1095

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References

• [1] K. Kurihara, Nucl. Fusion 33, 399 (1993).
• [2] K. Kurihara, Fusion Eng. Des. 51-52, 1049 (2000).
• [3] F. Wang, K. Nakamura, O. Mitarai, K. Kurihara, Y. Kawamata and M. Sueoka, Proc. 7th Cross Straits Symposium, Kyushu University (2005) p.29.
• [4] T. Takeda and S. Tokuda, J. Computational Phys. 93, No.1, 1 (1991).

This paper may be cited as follows:

F. WANG, K. NAKAMURA, O. MITARAI, K. KURIHARA, Y. KAWAMATA, M. SUEOKA, K. N. SATO, H. ZUSHI, K. HANADA, M. SAKAMOTO, H. IDEI, M. HASEGAWA, S. KAWASAKI, H. NAKASHIMA and A. HIGASHIJIMA, Plasma Fusion Res. 2, S1095 (2007).