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22-27 October 2018
Mahatma Mandir Conference Centre
Asia/Kolkata timezone
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Modelling of electron cyclotron resonance heating and current drive in the T-15-MD tokamak with GENRAY and CQL3D codes

24 Oct 2018, 14:00
4h 45m
Mahatma Mandir Conference Centre

Mahatma Mandir Conference Centre

Gandhinagar (nearest Airport: Ahmedabad), India
Poster P4 Posters

Speaker

Mr Pavel Minashin (NRC "Kurchatov Institute")

Description

The T-15-MD tokamak is planned as a normal magnetic-coil tokamak with a flexible ITER-like configuration of the poloidal magnetic field. The main goal of the tokamak T-15-MD is the achievement of long pulse, non-inductive current drive regimes for a high-aspect-ratio divertor plasma configurations. The simulations of the ECRH and ECCD in T-15-MD tokamak are carried out with the ray-tracing code GENRAY and the kinetic Fokker—Planck code CQL3D for two formerly predicted regimes of tokamak operation, namely hybrid scenario with 12 MW auxiliary heating and 2 MA total plasma current, including inductive (Ohmic) current, and the steady-state scenario with 18 MW auxiliary heating and 1 MA fully non-inductive current. The results for 2D distribution of the ECRH power density and ECCD efficiency in the tokamak poloidal cross-section on the flat-top stage of discharge are presented for various injections angles and EC wave modes. It is shown that for the ECCD in the hybrid scenario the injection of the Х2-wave from the LFS is more effective than injection of the Х1-wave from the HFS.
Country or International Organization Russian Federation
Paper Number TH/P4-11

Primary author

Mr Pavel Minashin (NRC "Kurchatov Institute")

Co-authors

Dr Alexander B. Kukushkin (NRC "Kurchatov Institute") Dr R.W. (Bob) Harvey (CompX)

Presentation Materials

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Paper