NDLI: Fast Heating of Ions in GOL-3 Multiple Mirror Trap

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Fast Heating of Ions in GOL-3 Multiple Mirror Trap

Content Provider	Semantic Scholar
Author	Burdakov, Alexander Arzhannikov, Andrei V. Astrelin, Vitalii T. Ivanov, Igor A. Ivantsivsky, M. V. Koĭdan, V. S. Mekler, K. I. Polosatkin, S. V. Postupaev, V. V. Rovenskikh, Andrei F. Sinitsky, Stanislav L. Sulyaev, S.
Copyright Year	2004
Abstract	1.Introduction. Experiments on plasma confinement in a multiple mirror configuration [1] are carried out at GOL-3 facility in Novosibirsk [2]. Feature of experiments at this facility is high plasma density (up to 5!10 21 m -3 ). High ion temperature (up to 2 keV) essentially differs the regime with multimirror configuration from previously studied plasma heating by the Ebeam in a uniform magnetic field [3]. New physical mechanism of effective heating of plasma ions, substantially dependent on corrugation of the magnetic field, was suggested in [4]. In this paper the new experimental data from the GOL-3 facility are presented and the main attention to a stage of ion heating is addressed. 2. GOL-3 facility and experimental conditions. GOL-3 facility is a long open trap intended for study of heating and confinement of a relatively dense (10 21 -10 23 m -3 ) plasma in axisymmetrical magnetic system [2]. Plasma is confined in a solenoid with corrugated (multumirror) field which consists of 55 cells with Hmax/Hmin= 4.8/3.2 T (Fig.1). Plasma is heated by ~120 kJ (~8 "s) E-beam. Vacuum diode for electron beam generation is placed at Z= -4 m (Z is a distance from the input mirror). Recently the plasma heating was improved by additional compression of the E-beam that gives increasing beam current density in the plasma [5]. Collective plasma heating by Ebeam results in Te~2 keV at ~10 21 m -3
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://epsppd.epfl.ch/London/pdf/P4_156.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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