Plasma and Fusion Research

Volume 13, 3403094 (2018)

Regular Articles

Plasma Scenario Study for HT-6M Tokamak Using BALDUR Integrated Predictive Modeling Code

Jiraporn PROMPING¹⁾, Siriyaporn SANGAROON²⁾, Apiwat WISITSORASAK^3,4), Boonyarit CHATTHONG⁵⁾, Roppon PICHA¹⁾ and Thawatchai ONJUN¹⁾

1): Thailand Institute of Nuclear Technology, Bangkok, Thailand
2): Department of Physics, Mahasarakham University, Mahasarakham, Thailand
3): Department of Physics, Faculty of Science, King Mongkut University of Technology Thonburi, Bangkok, Thailand
4): Theoretical and Computational Physics Group, Theoretical and Computational Science Center, King Mongkut University of Technology Thonburi, Bangkok, Thailand
5): Department of Physics, Faculty of Science, Prince of Songkla University, Songkla, Thailand

(Received 28 December 2017 / Accepted 5 June 2018 / Published 26 July 2018)

Abstract

This study investigates the plasma performance in HT-6M tokamak using 1.5D integrated predictive modeling code BALDUR. The simulations are carried out under the designed plasma conditions, including R = 65 cm, a = 20 cm, B_T = 1.5 T, n_e = 1 × 10¹⁹ m⁻³ and I_p = 40 - 150 kA without external heating. In these simulations, a combination of turbulence and neoclassical transports is used for predicting thermal and particle transport. Thus, the plasma evolution for plasma current, temperature, and density can be predicted under a designed condition. In addition, the influence of current rampup for the plasma performanceis investigated. The scenario study for the tokamak is also carried out by varying plasma current. To summarize the results yield the electron temperature at the center T_e(0) = 477 - 1,551 eV (MMM95) and 328 - 1,384 eV (Mixed B/gB), the ion temperature at the center T_i(0) = 26 - 50 eV (MMM95) and 18 - 42 eV (Mixed B/gB) the electron densit y = 6.4 × 10¹⁸ - 1.4 × 10¹⁹ m⁻³ in both Mixed B/gB and MMM95 simulations. Using the obtained plasma parameters, the radiated power of the carbon impurity is assessed.

Keywords

tokamak, plasma, BALDUR, transport, MMM95, Mixed B/gB

DOI: 10.1585/pfr.13.3403094

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