波纹场和新经典撕裂模对托卡马克中快离子输运影响的数值模拟研究

TL62; 托卡马克是一种可能的受控核聚变实施方案,粒子输运在维持核聚变反应的进程中起着重要作用.使用导心运动代码ORBIT,针对波纹扰动和2/1新经典撕裂模(Neoclassical Tearing Mode,NTM)对圆截面托卡马克氘离子输运的影响开展了详细的数值模拟研究,同时计算了损失粒子的相空间分布.结果 表明:粒子的损失随其初始位置和投射角(v∥/v)变化而改变,远离磁轴、接近最外层磁面的粒子损失率高;NTM主要造成通行粒子损失,波纹场主要造成捕获粒子损失,而同时具有这两种扰动情况下的粒子损失接近于其单独作用造成损失之和;波纹场会显著增加捕获粒子的环向角动量扩散而不影响通行粒子,NT...

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Published in核技术 Vol. 44; no. 2; pp. 1 - 10
Main Authors 刘锦, 陈嘉盈, 常悦悦, 詹研, 虞立敏
Format Journal Article
LanguageChinese
Published 华东理工大学理学院 上海200237 15.02.2021
Subjects
波纹
数值模拟
ORBIT
新经典撕裂模
Online AccessGet full text
ISSN0253-3219
DOI10.11889/j.0253-3219.2021.hjs.44.020201

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Abstract TL62; 托卡马克是一种可能的受控核聚变实施方案,粒子输运在维持核聚变反应的进程中起着重要作用.使用导心运动代码ORBIT,针对波纹扰动和2/1新经典撕裂模(Neoclassical Tearing Mode,NTM)对圆截面托卡马克氘离子输运的影响开展了详细的数值模拟研究,同时计算了损失粒子的相空间分布.结果 表明:粒子的损失随其初始位置和投射角(v∥/v)变化而改变,远离磁轴、接近最外层磁面的粒子损失率高;NTM主要造成通行粒子损失,波纹场主要造成捕获粒子损失,而同时具有这两种扰动情况下的粒子损失接近于其单独作用造成损失之和;波纹场会显著增加捕获粒子的环向角动量扩散而不影响通行粒子,NTM主要对通行粒子的环向角动量扩散有影响.粒子损失基本不受NTM频率改变而变化,而其环向角动量扩散则随NTM频率变化而变化.
AbstractList TL62; 托卡马克是一种可能的受控核聚变实施方案,粒子输运在维持核聚变反应的进程中起着重要作用.使用导心运动代码ORBIT,针对波纹扰动和2/1新经典撕裂模(Neoclassical Tearing Mode,NTM)对圆截面托卡马克氘离子输运的影响开展了详细的数值模拟研究,同时计算了损失粒子的相空间分布.结果 表明:粒子的损失随其初始位置和投射角(v∥/v)变化而改变,远离磁轴、接近最外层磁面的粒子损失率高;NTM主要造成通行粒子损失,波纹场主要造成捕获粒子损失,而同时具有这两种扰动情况下的粒子损失接近于其单独作用造成损失之和;波纹场会显著增加捕获粒子的环向角动量扩散而不影响通行粒子,NTM主要对通行粒子的环向角动量扩散有影响.粒子损失基本不受NTM频率改变而变化,而其环向角动量扩散则随NTM频率变化而变化.
Author 陈嘉盈
詹研
刘锦
常悦悦
虞立敏
AuthorAffiliation 华东理工大学理学院 上海200237
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ZHAN Yan
YU Limin
CHEN Jiaying
LIU Jin
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数值模拟
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新经典撕裂模
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Snippet TL62; 托卡马克是一种可能的受控核聚变实施方案,粒子输运在维持核聚变反应的进程中起着重要作用.使用导心运动代码ORBIT,针对波纹扰动和2/1新经典撕裂模(Neoclassical...
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Title 波纹场和新经典撕裂模对托卡马克中快离子输运影响的数值模拟研究
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