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首页> 外文期刊>Nuclear Technology >ESTIMATING SURFACE FACILITY THROUGHPUT DURING THE PRECLOSURE EMPLACEMENT PERIOD AT YUCCA MOUNTAIN
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ESTIMATING SURFACE FACILITY THROUGHPUT DURING THE PRECLOSURE EMPLACEMENT PERIOD AT YUCCA MOUNTAIN

机译：在Yucca山封闭期实施期间估算地表设施的利用率。

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摘要

This paper focuses on how variations in commercial spent nuclear fuel shipment schedules have the potential to impact preclosure operations at the proposed repository for high-level waste at Yucca Mountain (YM) in Nevada. The analysis employs a simulation tool developed by the authors for modeling the packaging and thermal characteristics of the waste stream arriving at Yucca Mountain and is related to a study on the safety of the surface facilities that was also conducted by the authors using the simulation tool. The objective of the research is to gain a better understanding of how waste-stream variations affect surface facility throughput, defined as the rate at which packages are prepared for aging or emplacement in the surface facilities at YM. The basis for and adequacy of the preliminary surface facility throughput requirements are reviewed by evaluating throughput performance subject to various preclosure operating scenarios.rnResults indicate that under most scenarios, the preliminary design adequately accommodates the mean de-rnmand over the operating lifetime for the canister receipt and closure facility (CRCF) and receipt facility (RF) but not the wet handling facility (WHF). While results indicate that WHF demand is likely to be higher than capacity in many scenarios, it seems reasonable that dual-purpose cask and truck deliveries could be deferred to maintain WHF operations at near-capacity levels.rnResults also show a high potential for variability in annual throughput demand at the CRCF and RF that might result in system backups. In the event of bottlenecks, the facility with less demand can fulfill functional roles of one that is overburdened. The overlap of functional capability in facilities incorporates flexibility into the system. However, since throughput targets are named per facility, as opposed to functions of the system, the design goals of the system as a whole are obscured. An alternative design is proposed that is based on functional goals within the facilities, along with other recommendations.
机译：本文着重探讨商业乏核燃料装运时间表的变化如何影响内华达州尤卡山（YM）拟议的高放废物处置库的预封闭操作。该分析使用了由作者开发的模拟工具来对到达尤卡山的废物流的包装和热特性进行建模，并且与作者使用该模拟工具进行的有关地面设施安全性的研究有关。该研究的目的是更好地理解废物流变化如何影响地面设施的吞吐量，定义为在YM处准备用于老化或安置在地面设施中的包装的速率。通过评估在各种封闭前操作场景下的吞吐量性能，来评估初步地面设施吞吐量要求的基础和充分性。结果表明，在大多数情况下，初步设计足以容纳罐接收期间的平均需求量和封闭设施（CRCF）和收货设施（RF），而不是湿处理设施（WHF）。尽管结果表明在许多情况下WHF需求可能都比运力高，但可以推迟两用木桶和卡车的交付以将WHF操作维持在接近产能的水平似乎是合理的。 CRCF和RF的年吞吐量需求可能会导致系统备份。在出现瓶颈的情况下，需求量较小的设施可以履行负担过重的设施的功能。设施中功能功能的重叠将灵活性纳入系统中。但是，由于吞吐量目标是按设施命名的，而不是系统的功能，因此，整个系统的设计目标变得模糊。提出了基于设施内功能目标以及其他建议的替代设计。

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  • 来源
    《Nuclear Technology》 |2010年第2期|180-194|共15页
  • 作者

    LEAH SPRADLEY; MARK ABKOWITZ; JAMES H. CLARKE;

  • 作者单位

    Vanderbilt University, Civil and Environmental Engineering, Nashville, Tennessee 37235 U.S. Nuclear Regulatory Commission, 11545 Rockville Pike, MS T8F5, Rockville, Maryland 20852;

    Vanderbilt University, Civil and Environmental Engineering, Nashville, Tennessee 37235;

    Vanderbilt University, Civil and Environmental Engineering, Nashville, Tennessee 37235;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    nuclear spent-fuel transportation; Yucca Mountain geologic repository; high-level waste;

    机译：核废燃料运输;丝兰山地质资料库;高放废物;

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