Successful prediction of tokamak transport in the L-mode regime

IF 3.5 1区 物理与天体物理 Q1 PHYSICS, FLUIDS & PLASMAS Nuclear Fusion Pub Date : 2024-07-01 DOI:10.1088/1741-4326/ad5a1b
G.M. Staebler, J.M. Park, E. Hassan, C. Angioni, E. Fable, C. Bourdelle, J.E. Kinsey, C. Holland, E.A. Belli, T. Neiser, J. Candy and R.E. Waltz
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Abstract

A long standing shortfall in the predicted L-mode edge energy transport by reduced quasi-linear models of gyrokinetic turbulent transport has been resolved. The improved model TGLF-SAT2 has higher fidelity to gyrokinetic simulations of the electron-scale contribution to the electron energy transport and the ion-scale flux surface shape dependence of energy transport. The success of TGLF-SAT2 in predicting the L-mode and Ohmic edge profiles is critical to whole pulse simulation and opens the door to prediction of the H-mode power threshold.
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成功预测 L 模式下的托卡马克输运
陀螺动力湍流输运的简化准线性模型在预测 L 模式边缘能量输运方面长期存在的不足已经得到解决。改进后的 TGLF-SAT2 模型对电子尺度对电子能量传输的贡献和离子尺度能量传输的通量面形状依赖性的陀螺动力模拟具有更高的保真度。TGLF-SAT2 在预测 L 模式和欧姆边缘剖面方面的成功对于整个脉冲模拟至关重要,并为预测 H 模式功率阈值打开了大门。
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来源期刊
Nuclear Fusion
Nuclear Fusion 物理-物理:核物理
CiteScore
6.30
自引率
39.40%
发文量
411
审稿时长
2.6 months
期刊介绍: Nuclear Fusion publishes articles making significant advances to the field of controlled thermonuclear fusion. The journal scope includes: -the production, heating and confinement of high temperature plasmas; -the physical properties of such plasmas; -the experimental or theoretical methods of exploring or explaining them; -fusion reactor physics; -reactor concepts; and -fusion technologies. The journal has a dedicated Associate Editor for inertial confinement fusion.
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