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Advanced qualification methodology for actively cooled plasma facing components

机译:主动冷却等离子表面组件的高级鉴定方法

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摘要

The use of high heat flux plasma facing components (PFCs) in steady state fusion devices requires high reliability. These components have to withstand heat fluxes in the range 10-20MWm~(-2) involving a number of severe engineering constraints. Feedback from the experience of various industrial manufacturings showed that the bonding of the refractory armour material onto the metallic heat sink causes generic difficulties strongly depending on material qualities and specific design. As the heat exhaust capability and lifetime of PFCs during plasma operation are directly linked to the manufacturing quality, a set of qualification activities such as active infrared thermography, lock-in and acoustic measurements were performed during the component development phases following a qualification route. This paper describes the major improvements stemming from better measurement accuracy and refined data processing and analyses recent developments aimed at investigating the capability to qualify the component in situ during its lifetime.
机译:在稳态聚变设备中使用高热通量等离子体面临组件(PFC)要求很高的可靠性。这些组件必须承受10-20MWm〜(-2)范围内的热通量,涉及许多严格的工程约束。各种工业制造经验的反馈表明,将耐火装甲材料粘合到金属散热片上会导致通用困难,具体取决于材料质量和特定设计。由于等离子运行过程中PFC的排热能力和寿命与制造质量直接相关,因此在鉴定路线之后的组件开发阶段中进行了一系列鉴定活动,例如主动红外热成像,锁定和声学测量。本文介绍了由于更好的测量精度和完善的数据处理而产生的主要改进,并分析了旨在研究在组件使用寿命内对组件进行现场鉴定的能力的最新进展。

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