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首页> 外文期刊>Transactions of the American nuclear society >Experimental Investigation of Solid Particles Flow in TRISO Spouted Bed Coaters with Binary Mixtures of Particles Using RPT
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Experimental Investigation of Solid Particles Flow in TRISO Spouted Bed Coaters with Binary Mixtures of Particles Using RPT

机译：使用RPT的含颗粒二元混合物的TRISO喷床式包衣机中固体颗粒流的实验研究

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摘要

Very High-Temperature Reactors (VHTRs) are the most candidate of the fourth generation of nuclear reactors to meet energy demands for the 21st century. Passive safety is one of the most important features that characterize these reactors The performance and the safety of the VHTRs depend highly on the quality of the TRISO fuel coated particles, and hence the fuel-coating technology and the related processes. The technique used for coating the TRISO fuel particles is a gas-solid spouted bed via chemical vapor deposition (CVD) method. The TRISO fuel coating process is very delicate and must meet certain production requirements to be accepted. Current fuel standards require that there should be no more than 1 in 10~5 coating failures on individual particles. This has been reported that the spouted bed coater is the essential part of the coating process; thus, the quality of the nuclear fuel particles produced is extremely dependent upon the hydrodynamics of the gas-solid spouted beds. Therefore, the hydrodynamic behavior of gas-solid flow in spouted beds demands an investigation.
机译：高温反应堆（VHTR）是满足21世纪能源需求的第四代核反应堆的最合适的选择。被动安全是这些反应堆的最重要特征之一。VHTR的性能和安全性在很大程度上取决于TRISO燃料包覆颗粒的质量，因此也取决于燃料包覆技术和相关工艺。用于涂覆TRISO燃料颗粒的技术是通过化学气相沉积（CVD）方法的气固喷射床。 TRISO燃油涂层工艺非常精细，必须满足一定的生产要求才能被接受。当前的燃料标准要求单个颗粒的涂层失效不超过10〜5个。据报道，带喷头的床涂布机是涂布过程中必不可少的部分。因此，所产生的核燃料颗粒的质量极大地取决于气固喷射床的流体动力学。因此，需要对喷床中气固两相的流体动力学行为进行研究。

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  • 来源
    《Transactions of the American nuclear society》 |2017年第2017期|617-619|共3页
  • 作者

    Thaar Al-Juwaya; Neven Ali; Muthanna Al-Dahhan;

  • 作者单位

    Missouri University of Science and Technology, Nuclear Engineering, 222 Fulton Hall, Rolla, MO 65409;

    Missouri University of Science and Technology, Nuclear Engineering, 222 Fulton Hall, Rolla, MO 65409;

    Missouri University of Science and Technology, Nuclear Engineering, 222 Fulton Hall, Rolla, MO 65409;

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