H-mode pedestal characteristics on MAST

Kirk A; Counsell GF; Arends E; Meyer H; Taylor D; Valovic M; Walsh M; Wilson H; MAST Team

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H-mode pedestal characteristics on MAST

机译：MAST上的H模式基座特性

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The H-mode pedestal characteristics on the mega ampere spherical tokamak (MAST) are measured in a variety of disconnected double null discharges and the effect of edge localized modes (ELMs) on the pedestal is presented. The edge density pedestal width in spatial co-ordinates is similar on both the inboard and outboard sides. Neutral penetration may be able to explain the density pedestal width but it alone cannot explain the characteristics of the temperature pedestal. The data from MAST can be used to improve temperature pedestal width scalings by extending the ranges in pedestal collisionality, magnetic field, elongation and aspect ratio studied by other machines. Convective transport is found to dominate energy losses during ELMS and the fractional loss of pedestal energy during an ELM on MAST correlates better with SOL ion transit time than with pedestal collisionality.

机译：在各种断开的双零放电中测量兆安级球形托卡马克（MAST）上的H型基座特性，并介绍了边缘局部模式（ELM）对基座的影响。在空间坐标上的边缘密度基座宽度在内侧和外侧都相似。中性渗透可能能够解释密度基座的宽度，但仅靠它不能解释温度基座的特征。通过扩展其他机器研究的基座碰撞性，磁场，伸长率和纵横比的范围，MAST的数据可用于改善温度基座宽度缩放比例。发现对流输运在ELMS期间的能量损失中占主导地位，而在MAST上的ELM期间，基座能量的分数损失与SOL离子传输时间比与基座碰撞性更好地相关。

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《Plasma physics and controlled fusion》 |2004年第0期|共8页
作者
Kirk A; Counsell GF; Arends E; Meyer H; Taylor D; Valovic M; Walsh M; Wilson H; MAST Team;
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正文语种 eng
中图分类等离子体物理学;
关键词
DIII-D; ELM ENERGY; CONFINEMENT; TRANSITION; PARAMETERS; TRANSPORT; TOKAMAKS; DIVERTOR;

机译：DIII-D;ELM能源;约束;过渡;参数;运输;托卡马克;分流器;

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专利

1. A comparison of H-mode pedestal characteristics in MAST as a function of magnetic configuration and ELM type [J] . Kirk A, OGorman T, Saarelma S, Plasma physics and controlled fusion . 2009,第6期

机译：MAST中H模式基座特性与磁配置和ELM类型的函数比较
2. Impact of shape on pedestal characteristics in the wide pedestal quiescent H-mode in the DⅢ-D tokamak [J] . T.M.Wilks, L.A. Morton, D.M. Kriete, Nuclear fusion . 2021,第3期

机译：DⅢ-D Tokamak中宽基座静态H模式对底座特征的影响
3. Dependence of pedestal performance on the characteristics of the H-mode pedestal* [J] . J.-S. Lonnroth, V. Parail, D.C. McDonald, Nuclear fusion . 2011,第1期

机译：底座性能取决于H模式底座的特性*
4. CONFINEMENT AND PEDESTAL CHARACTERISTICS IN H-MODE WITH ECH HEATING [C] . R.PRATER, J.S.deGRASSIE, P.GOHIL, Joint workshop on electron cyclotron emission and electron cyclotron resonance heating . 2011

机译：H-Mode的监禁与基座特征与ECH加热
5. H-mode access and characteristics at near-unity aspect ratio on the Pegasus Toroidal Experiment. [D] . Thome, Kathreen E. 2016

机译：飞马环型实验上的H模式访问和接近统一长宽比的特征。
6. Cloned mouse mast cells derived from immunized lymph node cells and from foetal liver cells exhibit characteristics of bone marrow-derived mast cells containing chondroitin sulphate E proteoglycan. [O] . E Razin, R L Stevens, K F Austen, 1984

机译：源自免疫淋巴结细胞和胎儿肝细胞的克隆小鼠肥大细胞表现出含有硫酸软骨素E蛋白多糖的骨髓源肥大细胞的特征。
7. Varying the pre-discharge lithium wall coatings to alter the characteristics of the ELM-free H-mode pedestal in NSTX [O] . D.P. Boyle, J.M. Canik, R. Maingi, 2013

机译：改变预放电锂壁涂层以改变NSTX中的无榆木H模式基座的特性

H-mode pedestal characteristics on MAST

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