W transport and accumulation control in the termination phase of JET H-mode discharges and implications for ITER

Kochl F.; Loarte A.; de la Luna E.; Parail V.; Corrigan G.; Harting D.; Nunes I.; Reux C.; Rimini F. G.; Polevoi A.; Romanelli M.

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W transport and accumulation control in the termination phase of JET H-mode discharges and implications for ITER

机译：W在喷射H模式放电终止阶段的运输和累积控制以及迭代的影响

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Tokamak operation with W PFCs is associated with specific challenges for impurity control, which may be particularly demanding in the transition from stationary H-mode to L-mode. To address W control issues in this phase, dedicated experiments have been performed at JET including the variation of the decrease of the power and current, gas fuelling and central ion cyclotron heating (ICRH), and applying active ELM control by vertical kicks. The experimental results obtained demonstrate the key role of maintaining ELM control to control the W concentration in the exit phase of H-modes with slow (ITER-like) ramp-down of the neutral beam injection power in JET.

机译：使用W PFCS的Tokamak操作与杂质控制的特定挑战相关联，这可能对从静止H模式到L模式的转换特别要求。为了解决这个阶段的W控制问题，在JET中进行了专用实验，包括电流和电流，气体加油和中央离子回旋加热（ICRH）的变化，并通过垂直踢施加活性ELM控制。获得的实验结果证明了保持ELM控制的关键作用，以控制H型中性光束喷射功率的缓慢（浸渍）倾斜的H-MOD的出口阶段的W浓度。

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来源
《Plasma physics and controlled fusion》 |2018年第7期|共21页
作者
Kochl F.; Loarte A.; de la Luna E.; Parail V.; Corrigan G.; Harting D.; Nunes I.; Reux C.; Rimini F. G.; Polevoi A.; Romanelli M.;
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作者单位

Culham Sci Ctr Culham Ctr Fus Energy Abingdon OX14 3DB Oxon England;

TU Wien Fus OAW Atominst Stad Allee 2 A-1020 Vienna Austria;

CIEMAT Lab Nacl Fus E-28040 Madrid Spain;

Culham Sci Ctr Culham Ctr Fus Energy Abingdon OX14 3DB Oxon England;

Culham Sci Ctr Culham Ctr Fus Energy Abingdon OX14 3DB Oxon England;

Culham Sci Ctr Culham Ctr Fus Energy Abingdon OX14 3DB Oxon England;

Inst Plasmas &

Fusao Nucl IST Ave Rovisco Pais P-1049001 Lisbon Portugal;

CEA IRFM F-13108 St Paul Les Durance France;

Culham Sci Ctr Culham Ctr Fus Energy Abingdon OX14 3DB Oxon England;

ITER Org Route Vinon Sur Verdon CS 90 046 F-13067 St Paul Les Durance France;

Culham Sci Ctr Culham Ctr Fus Energy Abingdon OX14 3DB Oxon England;

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原文格式 PDF
正文语种 eng
中图分类等离子体物理学;
关键词
H-mode termination; integrated modelling; W transport; JET; ITER;

机译：H模式终止;综合建模;W运输;喷射;艾特;

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专利

1. W transport and accumulation control in the termination phase of JET H-mode discharges and implications for ITER [J] . Kochl F., Loarte A., de la Luna E., Plasma physics and controlled fusion . 2018,第7期

机译：W在喷射H模式放电终止阶段的运输和累积控制以及迭代的影响
2. On the role of finite grid extent in SOLPS-ITER edge plasma simulations for JET H-mode discharges with metallic wall [J] . S. Wiesen, S. Brezinsek, X. Bonnin, Nuclear Materials and Energy . 2018,第3期

机译：关于有限网格范围在金属壁JET H型放电的SOLPS-ITER边缘等离子体模拟中的作用
3. Plasma density and temperature evolution following the H-mode transition at JET and implications for ITER [J] . A. Loarte, M.J. Leyland, J.A. Mier, Nuclear fusion . 2013,第8期

机译：JET处H模式转变后的等离子体密度和温度演变及其对ITER的影响
4. Impurity accumulation in JET ELMy H-mode discharges [C] . K D Lawson, B Alper, I H Coffey, European physical society conference on controlled fusion and plasma physics . 1998

机译：JET EL中的杂质积累我的H模式放电
5. Chemical and photochemical reactions on mineral oxide surfaces in gaseous and liquid phases: Environmental implications of fate, transport and climatic impacts of mineral dust aerosol. [D] . Rubasinghege, Gayan Randika S. 2011

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7. Tungsten transport and sources control in JET ITER-like wall H-mode plasmas [O] . N. Fedorczak, P. Monier-Garbet, T. Pütterich, 2015

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8. H-mode pedestal characteristics in ITER shape discharges on DIII-D [R] . Osborne, T. H. , Burrell, K. H. , Groebner, R. J. 1998

机译：ITER形状的H模式基座特性在DIII-D上放电

W transport and accumulation control in the termination phase of JET H-mode discharges and implications for ITER

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