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Assessment of Tritium Release Through Permeation and Natural Leakage in ITER CN HCCB TBS Under Normal Operations

机译:正常操作下ITER CN HCCB TBS中渗透和自然泄漏引起的Release释放评估

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摘要

The Chinese (CN) Helium Cooled Ceramic Breeding (HCCB) Test Blanket Module (TBM) (CN HCCB TBM) set with its ancillary systems will demonstrate the feasibility of in-pile tritium production/breeding in ITER for fuel self-sufficiency and high-grade fusion energy conversion to heat and extraction for a future magnetic confined fusion reactor. Tritium release in some major components of the recently designed TBM systems through permeation and natural leakage was estimated with simple diffusion/permeation and leak rate calculation models. Results showed that because of the tritium permeation barrier coating for tritium confinement in some tritium containments, total tritium release to the environment by permeation in the CN HCCB TBM and ancillary systems will be kept well below 2 Ci/full-power day. However, tritium release through natural leakage from components can be neglected compared with permeation. Equipped with ITER tritium safety guarantee facilities like the tritium monitoring and detritiation systems, tritium release from CN TBM system-caused radiological safety issues will be well controlled.
机译:带有辅助系统的中国(CN)氦冷却陶瓷育种(HCCB)试验毯模块(TBM)(CN HCCB TBM)将证明在ITER中进行堆内/生产/育种的可行性,以实现燃料自给自足和高效率。级别的聚变能转化为热并提取出来,用于未来的磁约束聚变反应堆。通过简单的扩散/渗透和泄漏率计算模型,估算了最近设计的TBM系统通过渗透和自然泄漏在some中释放的t。结果表明,由于for的渗透阻隔涂层可将per限制在某些tri中,因此,CN HCCB TBM和辅助系统中透过by向环境中释放的总release将保持在低于2 Ci /全功率日。但是,与渗透相比,tri的自然泄漏是可以忽略不计的。配备了ITER tri安全保证设施,如t监测和粉碎系统,可以很好地控制由于CN TBM系统引起的放射安全问题而释放release。

著录项

  • 来源
    《Fusion Science and Technology》 |2018年第1期|34-42|共9页
  • 作者单位

    China Acad Engn Phys, Inst Mat, 9 Huafeng Xincun, Jiangyou City 621700, Sichuan, Peoples R China;

    China Acad Engn Phys, Inst Mat, 9 Huafeng Xincun, Jiangyou City 621700, Sichuan, Peoples R China;

    China Acad Engn Phys, Inst Mat, 9 Huafeng Xincun, Jiangyou City 621700, Sichuan, Peoples R China;

    China Acad Engn Phys, Inst Mat, 9 Huafeng Xincun, Jiangyou City 621700, Sichuan, Peoples R China;

    China Acad Engn Phys, Inst Mat, 9 Huafeng Xincun, Jiangyou City 621700, Sichuan, Peoples R China;

    China Acad Engn Phys, Inst Mat, 9 Huafeng Xincun, Jiangyou City 621700, Sichuan, Peoples R China;

    China Acad Engn Phys, Inst Mat, 9 Huafeng Xincun, Jiangyou City 621700, Sichuan, Peoples R China;

    China Acad Engn Phys, Inst Mat, 9 Huafeng Xincun, Jiangyou City 621700, Sichuan, Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    CN HCCB TBM system; tritium release; permeation;

    机译:CN HCCB TBM系统;tri释放;渗透;

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