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Particle transport simulations based on selfconsistency of pressure profiles in tokamaks

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dc.contributor.author Danilov, A.V.
dc.contributor.author Dnestrovskij, Yu. N.
dc.contributor.author Andreev, V.F.
dc.contributor.author Cherkasov, S.V.
dc.contributor.author Dnestrovskij, A.Yu.
dc.contributor.author Lysenko, S.E.
dc.contributor.author Vershkov, V.A.
dc.date.accessioned 2015-05-20T15:40:29Z
dc.date.available 2015-05-20T15:40:29Z
dc.date.issued 2006
dc.identifier.citation Particle transport simulations based on selfconsistency of pressure profiles in tokamaks / A.V. Danilov, Yu. N. Dnestrovskij, V.F. Andreev, S.V. Cherkasov, A.Yu. Dnestrovskij, S.E. Lysenko, V.A. Vershkov // Вопросы атомной науки и техники. — 2006. — № 6. — С. 44-46. — Бібліогр.: 3 назв. — англ. uk_UA
dc.identifier.issn 1562-6016
dc.identifier.other PACS: 52.55.Fa; 52.25.Fi
dc.identifier.uri http://dspace.nbuv.gov.ua/handle/123456789/81776
dc.description.abstract Simulation of particle and heat transport was performed with the ASTRA code. The equations for the electron temperature and density, ion temperature and current diffusion were solved. For the heat transport we used the canonical profiles model. Three T-10 pulses with toroidal magnetic field 2.5 T, plasma current 250…255 kA, initial average density 1.3, 2.4 and 3.2×10¹⁹ m⁻³ respectively, on-axis 900 kW ECRH and D₂ puffing were considered. The model proved to describe rather fast penetration of the density disturbance from the edge to the core during 15…20 ms after gas puffing. The simulation of the density profiles agrees with experiment in Ohmic and ECRH phases, and during the gas puffing, describing the particle pump-out after ECRH switch-on. The neutral influx at the plasma edge increases after ECRH switch-on in agreement with Da measurements. Both the effective diffusion coefficient and pinch velocity decrease slightly when the plasma density is increased. A set of two Ohmic and three NBI MAST pulses were considered for comparison. uk_UA
dc.description.sponsorship The work is supported by Rosatom, Grant NSh 2264.2006.2 and Consultancy Agreement N 3000043145, UKAEA, UK. uk_UA
dc.language.iso en uk_UA
dc.publisher Національний науковий центр «Харківський фізико-технічний інститут» НАН України uk_UA
dc.relation.ispartof Вопросы атомной науки и техники
dc.subject Magnetic confinement uk_UA
dc.title Particle transport simulations based on selfconsistency of pressure profiles in tokamaks uk_UA
dc.type Article uk_UA
dc.status published earlier uk_UA

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