Confinement characteristics of the quasi-axisymmetric stellarator CHS-qa

Autor:	Mitsutaka Isobe, Shin-Ichiro Nishimura, Yuji Nakamura, Noriyoshi Nakajima, Akihide Fujisawa, T. Hayashi, A. Shimuzu, Katsumi Ida, Keisuke Matsuoka, W. Anthony\\' Cooper, Shoichi Okamura, S. Murakami, Masayuki Yokoyama, Kimitaka Itoh, Masahiro Wakatani, Hideo Sugama, Chihiro Suzuki
Rok vydání:	2004
Předmět:	Physics Nuclear and High Energy Physics Toroid Divertor Magnetic confinement fusion Mechanics Condensed Matter Physics Magnetic field law.invention Bootstrap current Classical mechanics Physics::Plasma Physics law Beta (plasma physics) Magnetohydrodynamics Stellarator
Zdroj:	Nuclear Fusion. 44:575-581
ISSN:	1741-4326 0029-5515
Popis:	A low aspect ratio stellarator CHS-qa with a quasi-axisymmetric configuration has been designed at NIFS, whose main objective is the experimental study of confinement improvement. The high beta equilibrium was obtained with the HINT code which does not require the assumption of nested magnetic surfaces. The equilibria with bootstrap current were calculated using the SPBSC code and their global MHD stability was evaluated with the TERPSICHORE code. The boundary structure of the magnetic field was examined to scope divertor options. A new method of calculating the neoclassical transport properties was developed for toroidal configurations with very small non-axisymmetry. The control knobs of the configuration properties are proposed for the study of improved confinement.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::480b6ff882e9ada47649b160e7301130 https://doi.org/10.1088/0029-5515/44/5/001 Zobrazit plný text záznamu