Characterisation and optimisation of the divertor of a next step fusion device

下一步聚变装置偏滤器的表征和优化

• 批准号: 8660-2006
• 负责人: Pacher, Horst
• 金额: $ 0.5万
• 依托单位: Institut national de la recherche scientifique
• 依托单位国家: 加拿大
• 项目类别: Discovery Grants Program - Individual
• 财政年份: 2006
• 资助国家: 加拿大
• 起止时间: 2006-01-01 至 2007-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=336722
• 关键词: Characterisation; optimisation; divertor; next; step

ITER is an experimental device of the tokamak type whose purpose is to demonstrate the scientific and technological feasibility of fusion energy for peaceful purposes. Its construction has been decided and the start of construction in Cadarache, France, by an international partnership consisting of Europe, Japan, Russia, the United States, China, and South Korea is imminent. Canadian groups are expected to participate in specific projects on ITER. Among the most important physics questions for ITER, power and particle control ranks as one of the crucial areas because the divertor, the interface between the plasma and the material plasma-facing components, must simultaneously exhaust the power, the deuterium, and the helium ash at realistic plasma and technological parameters. The key to the definition and optimisation of this vital component and its operating parameters is provided by edge and divertor plasma modelling. Using the state-of-the-art plasma simulation code B2-EIRENE, it is proposed to characterise the plasma parameters of the divertor of a next-step fusion device, ITER, to investigate improved divertor operating scenarios based on the radiation of various injected impurities, to optimise the operating conditions consistent with the other plasma and technological constraints on the device and to investigate the impact of modifications of the divertor geometry. The work will be carried out in a framework of international cooperation.

ITER是托卡马克型实验装置，其目的是证明聚变能用于和平目的的科学技术可行性。它的建设已经决定，由欧洲、日本、俄罗斯、美国、中国和韩国组成的国际合作伙伴在法国卡达拉切的建设即将开始。加拿大团体预计将参与 ITER 的具体项目。在 ITER 最重要的物理问题中，功率和粒子控制是关键领域之一，因为偏滤器（等离子体与面向等离子体的材料组件之间的界面）必须在实际等离子体和技术参数下同时排出功率、氘和氦灰。边缘和偏滤器等离子体建模提供了定义和优化这一重要组件及其操作参数的关键。使用最先进的等离子体模拟代码B2-EIRENE，建议表征下一代聚变装置ITER的偏滤器的等离子体参数，以研究基于各种注入杂质的辐射的改进的偏滤器操作方案，优化与其他等离子体和设备上的技术限制一致的操作条件，并研究偏滤器几何形状修改的影响。这项工作将在国际合作框架内进行。