High beta improvement and current drive in spherical tokamaks by neutral particle Injection

通过中性粒子注入实现球形托卡马克的高贝塔改进和电流驱动

• 批准号: 09480108
• 负责人: TOYAMA Hiroshi
• 金额: $ 7.23万
• 依托单位: The University of Tokyo
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (B)
• 财政年份: 1997
• 资助国家: 日本
• 起止时间: 1997 至 1998
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-09480108/
• 关键词: spherical tokamak; plasma gun; high beta; current drive; injurity; coaxial gun; トロイダル磁場; プラズマ電流

Plasma injection by coaxial plasma gunIt is impossible to have large volt second in spherical tokamak because of low aspect ratio. Presently, volt second of TST-M is 25 mVs using the present power supply. It is important to reduce the volt second for the breakdown, because plasma should be heated efficiently using the limited volt second.Plasma injection by coaxial plasma gun has been tested for this purpose. The time for the plasma initiation is reduced from 0.8 ms to 0.5 ms. Plasma current increases from 8 kA to 14 kA.It has been proved that the plasma injection by coaxial plasma gun helps volt second consumption.

同轴血浆Gunit的血浆注射由于纵横比低，因此在球形tokamak中不可能在球形tokamak中排名第二。目前，使用当前电源的TST-M第二伏为25 mV。重要的是要降低伏特的崩溃，因为应使用有限的伏特秒进行有效加热等离子体。为此，已经对同轴等离子体枪的血浆注射进行了测试。等离子体启动的时间从0.8 ms减少到0.5 ms。血浆电流从8 ka增加到14 ka。已证明，同轴等离子体枪的血浆注入有助于伏特第二消耗。

项目成果

H.Toyama: "Current Drive Experiments on the Spherical Tokamak TST" Cont.Fus.and Plasma Physis.

H.Toyama：“球形托卡马克 TST 的电流驱动实验”Cont.Fus. 和 Plasma Physis。

H.Toyama: "Comparatire Studies of ST and Conventional Tokamak" Fusion Energy. (in press). (1998)

H.Toyama：“ST与常规托卡马克的比较研究”聚变能。

H.Toyama: "Current Drive Experiments on the Spherical Tokamak TST" Cont.Fus.and Plasma Physics. 21A. 417-421 (1997)

H.Toyama：“球形托卡马克 TST 的电流驱动实验”Cont.Fus. 和等离子体物理。

H.Toyama: "Comparative stndies of ST and Conrentional Tokamak" Fusion Energy. (1998)

H.Toyama：“ST 与 Conrentional 托卡马克的比较标准”聚变能。

H.Toyama: "Comparative Studieswof ST and Conventional Tokamak" Fusion Energy. (1998)

H.Toyama：“ST 和常规托卡马克的比较研究”聚变能。