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Monte Carlo simulation of radionuclide migration in fractured rock for the performance assessment of radioactive waste repositories

机译：用于放射性废物库性能评估的裂隙岩中放射性核素迁移的蒙特卡洛模拟

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摘要

The estimation of radionuclide migration within a fractured medium is a fundamental task in any performance assessment aimed at verifying the protection offered by radioactive waste repositories. In this paper, we present a novel application of a dual-permeability, Monte Carlo simulation approach based on Kotmogorov-Dmitriev (KD) theory of branching stochastic processes. The Monte Carlo simulation scheme allows to easily handle the high degree of complexity of the problem, accounting for non-homogeneities both in space and time. Particular attention is devoted here to the inclusion of time-dependencies . An illustration is given with reference to a realistic case study of ~(239)Pu migration.
机译：在旨在验证放射性废物处置库提供的保护的任何性能评估中，估算裂隙介质中放射性核素迁移是一项基本任务。在本文中，我们提出了一种基于Kotmogorov-Dmitriev（KD）分支随机过程理论的双渗透蒙特卡罗模拟方法的新应用。蒙特卡洛模拟方案可以轻松解决问题的高度复杂性，并考虑到空间和时间上的不均匀性。这里特别注意包含时间依赖性。举例说明了〜（239）Pu迁移的实际案例。

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  • 来源
    《Reliability Engineering & System Safety》 |2013年第3期|241-247|共7页
  • 作者

    F. Cadini; J. De Sanctis; I. Bertoli; E. Zio;

  • 作者单位

    Dipartimento di Energia-Politecnico di Milano, Via Ponzio 34/3,1-20133 Milan, Italy;

    Dipartimento di Energia-Politecnico di Milano, Via Ponzio 34/3,1-20133 Milan, Italy;

    Dipartimento di Energia-Politecnico di Milano, Via Ponzio 34/3,1-20133 Milan, Italy;

    Dipartimento di Energia-Politecnico di Milano, Via Ponzio 34/3,1-20133 Milan, Italy,Chair on Systems Science and the Energetic challenge, European Foundation for New Energy-Electridte de France, Ecole Centrale Paris and Supelec, France;

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

    fractured media; radioactive waste repository; performance assessment; monte carlo; dual permeability;

    机译：破裂的介质放射性废物处置库;绩效评估;蒙特卡洛;双重渗透;

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