等离子体参数对中性束注入下快离子自举电流影响The Effect of Plasma Parameter on the Bootstrap Current of Fast Ions in Neutral Beam Injection
黄千红;龚学余;曹锦佳;杨磊;
摘要(Abstract):
本文数值研究了等离子体参数对大纵横比托卡马克装置中性束注入时产生的快离子净电流密度分布的影响。研究表明净电流密度的大小随背景等离子体温度的增大而增大,随等离子体密度的增大而减小,等离子体有效电荷对净电流密度的大小影响较小,但随有效电荷的增大净电流密度的峰值向等离子体边缘偏移。
关键词(KeyWords): 自举电流;中性束注入
基金项目(Foundation): 国家自然科学基金课题:电子回旋波抑制托卡马克装置撕裂模不稳定性的理论研究(11375085);; 研究生创新课题:托克马克中中性束注入加热下的等离子体自举电流研究(2013XCX02);; 衡阳市科技局基础课题:托克马克中中性束注入加热下的等离子体自举电流研究(2013KJ24);; 湖南省核聚变与等离子体物理创新团队建设项目(NHXTD03)
作者(Authors): 黄千红;龚学余;曹锦佳;杨磊;
参考文献(References):
- [1]Bickerton R J,Connor J W and Taylor J B,Diffusion Driven Plasma Currents and Bootstrap Tokamak,Nature Phys.Sci.1971,229(25),110.
- [2]Zarnstorff M C,Bell M G,Bitter M,Bootstrap current in TFTR,Phys.RevLett.60,1988,1306.
- [3]Hirshman S P and Jardin S C,Two-dimensional transport of Tokamak plasmas,Phys.Fluids,1979,22,731.
- [4]Kessel C E,Bootstrap current in a tokamak,Nucl.Fusion,1994,34,1221.
- [5]龚学余,谢安平,彭晓炜,等.Tokamak等离子体不同运行模式下产生的自举电流,南华大学学报(自然科学版),2005,19(1):1.
- [6]Wang Zhong-tian and Wang Long,Bootstrap current in spherical tokamaks,Plasma Sci.Technol,2003,5(3),1767.
- [7]Andrade M C R and Ludwig G O,First estimate of bootstrap current in the ETE small aspect ratio tokamak,Plasma Phys.Control.Fusion,1997,39,1041.
- [8]Kikuchi M,Azumi M,Tsuji S,et al,Bootstrap current during perpendicular neutral injection in JT-60,Nucl.Fusion,1990,30(2),343.
- [9]Hsu C T,Shaing K C,Gormley R P and Sigmar D J,Bootstrap current induced by fusion born alpha particles,Phys.Fluids,B4,1992,4023.
- [10]Kolesnichenko Ya I,The role of alpha particles in tokamak reactors,Nucl.Fusion,1980,20(6),727.
- [11]Taguchi M,Bootstrap current in NBI heated plasmas,Nucl.Fusion,1996,36,657.
- [12]Qian-hong Huang,Xue-yu Gong,Jun Yu,et al,Bootstrap current of fast ions in neutral beam injection heating,Phys.Scr.85,2012,055503.
- [13]Cordey J G,Effects of particle trapping on the slowingdown of fast ions in a toroidal plasma,Nucl.Fusion,1976,16(3),499.
- [14]Taguchi M,Approximate expression for beam driven current in tokamak plasmas,Nucl.Fusion,1992,32(1),143.
- [15]Hsu C T,Catto P J and Sigmar D J,Neoclassical transport of isotropic fast ions,Phys.Fluids B2(2),1990,280.
- [16]Shi Bing-Ren,Analytic description of tokamak equilibrium sustained by high fraction bootstrap current,Chinese Phys.2003,12,626.
- [17]Rome J A,Callen J D and Clarke J F,Neutral-beam injection into a tokamak:PartⅠ:Fast-ion spatial distribution for tangential injection,Nucl.Fusion,1974,14,141.
- [18]Hirshman S P and Sigmar D J,Neoclassical transport of impurities in tokamak plasmas,Nucl.Fusion,1981,21,1079.
- [19]黄千红,谢安平,刘柏青,等.聚变反应中产生的α粒子的自举电流,南华大学学报(自然科学版),2008,22(2):19.