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由于D-~3He聚变堆不要求厚的包层和大的内侧空间,中子壁负载小得多,第一壁几乎是永久性的,维修更换问题减轻。采用低径比有利于电流驱动和较大的等离子体变形和好的垂直稳定性,以便得到大的等离子体电流,因而得到高的β和好的约束。本文从目前普遍采用的堆芯等离子体物理规律为基础,编制了DHE3TOK程序。研究了以D-~3He为燃料,低径比A=2.5工作在第一稳定区的商用堆特点。对它的工作物理参数空间范围进行广泛调查的基础上,提出了需要研究和发展的关键工程技术问题。
Because D- ~ 3He fusion reactor does not require thick cladding and large inner space, the neutron wall load is much smaller, the first wall is almost permanent, and the maintenance and replacement problem is alleviated. The use of a low aspect ratio facilitates current drive and large plasma deformation and good vertical stability in order to get a large plasma current resulting in a high β and good constraint. In this paper, based on the physical laws of the core-plasma currently used, the DHE3TOK program is compiled. The commercial reactor with D ~ 3He as the fuel and the low diameter ratio A = 2.5 working in the first stable zone was studied. Based on extensive investigation of the spatial range of its working physical parameters, the key engineering and technical problems that need to be researched and developed are put forward.