Exploring novel high power density concepts for attractive fusion systems
Exploring novel high power density concepts for attractive fusion systems
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探索新颖的高功率密度概念以实现有吸引力的聚变系统
DOI：
10.1016/s0920-3796(99)00018-6
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发表时间：
1999
期刊：
影响因子：
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通讯作者：
M. Abdou
中科院分区：
文献类型：
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作者：
M. Abdou
先进功率提取（APEX）研究旨在探索聚变动力技术（FPT）的创新概念，该技术可以极大地增强聚变作为有吸引力和有竞争力的能源的潜力。具体来说，该研究正在探索新的“革命性”概念，这些概念可以提供从具有高中子和表面热负荷的系统中有效提取热量的能力，同时满足所有 FPT 功能要求并最大限度地提高可靠性、可维护性、安全性和环境吸引力。衡量新概念性能的主要标准是：（1）高功率密度能力，峰值中子壁负载（NWL）为～10 MW m−2，表面热通量为～2 MW m−2； (2) 功率转换效率高，约40%净值； (3) 实现高可用性的明显潜力；特别是故障率低、设计余量大、维护停机时间短。 MTBF > 43 MTTR 的要求被推导为实现所需的第一墙/毯可用性的必要条件，其中 MTBF 是平均故障间隔时间，MTTR 是平均恢复时间。提供了可能满足这些标准的创新和有前途的新概念的亮点。
The Advanced Power Extraction (APEX) study is aimed at exploring innovative concepts for fusion power technology (FPT) that can tremendously enhance the potential of fusion as an attractive and competitive energy source. Specifically, the study is exploring new and ‘revolutionary’ concepts that can provide the capability to efficiently extract heat from systems with high neutron and surface heat loads while satisfying all the FPT functional requirements and maximizing reliability, maintainability, safety, and environmental attractiveness. The primary criteria for measuring performance of the new concepts are: (1) high power density capability with a peak neutron wall load (NWL) of ∼10 MW m−2and surface heat flux of ∼2 MW m−2; (2) high power conversion efficiency, ∼40% net; and (3) clear potential to achieve high availability; specifically low failure rate, large design margin, and short downtime for maintenance. A requirement that MTBF>43 MTTR was derived as a necessary condition to achieve the required first wall/blanket availability, where MTBF is the mean time between failures and MTTR is the mean time to recover. Highlights of innovative and promising new concepts that may satisfy these criteria are provided.
核工程与设计/核聚变。
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