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A Pilot Plant as the Next Step toward an MFE Demo

机译:作为MFE演示的下一步的试点工厂

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An assessment of Demo goals and of prerequisites for Demo readiness motivate an examination of a pilot plant: an intermediate facility designed to substantially narrow the technical gap to Demo in a next step. A pilot plant would: 1) test internal components and tritium breeding in a steady-state fusion environment, 2) prototype a maintainable design and maintenance scheme for a power plant, and 3) generate net electricity. Preconceptual designs based on the advanced tokamak (AT), spherical tokamak (ST), and compact stellarator (CS) have been developed in order to compare their relative merits as fusion systems. Any of them would take a large step toward Demo in key performance metrics, e.g. engineering gain QENG (≥1), neutron wall load (>1 MW/m2), tritium breeding ratio (>1), pulse length (106 - 107 s), blanket lifetime fluence (≥ 3MW-yr/m2), plant lifetime (6-20 MW-yr/m2), and availability (10-30%), but they differ in their associated risks.
机译:评估演示目标和演示准备就绪的先决条件会激发对试验工厂的检查:这是一个中间设施,旨在在下一步大幅缩小与演示之间的技术差距。试点工厂将:1)在稳态聚变环境中测试内部组件和tri的繁殖; 2)为电厂建立可维护的设计和维护方案的原型,以及3)发电。已开发了基于先进托卡马克(AT),球形托卡马克(ST)和紧凑型恒星器(CS)的概念设计,以便比较它们作为融合系统的相对优势。他们中的任何一个都将在关键绩效指标方面朝Demo迈出一大步,例如工程增益Q ENG (≥1),中子壁负荷(> 1 MW / m 2 ),tri繁殖比(> 1),脉冲长度(10 6 -10 7 s),总体寿命通量(≥3MW-yr / m 2 ),电厂寿命(6-20 MW-yr / m < sup> 2 )和可用性(10-30%),但是它们的相关风险有所不同。

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