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A Real-Time Accident Consequence Assessment System for Tianwan NPP

机译:田湾核电厂实时事故后果评估系统

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A comprehensive real-time nuclear accident consequence assessment system, TW-NAOCAS,designed for real-time assessment of nuclear accidental releases from Tianwan Nuclear Power Plant (NPP) tooff-site local scale, has been established by integrating a number of existing preprocessors, wind field forecasting,atmospheric dispersion, dose estimating and intervention countermeasure models together with on-line availablemeteorology. The system provides a mean for quickly determining the concentration distributions of radioactivematerials, various dose levels and areas by dose intervention levels during the early phase of the release afteraccident. The preliminary results of model-evaluation and system-system intercomparison demonstrate that thenumerical methods used in the TW-NAOCAS system are accurate, and that transport and dispersion of tracerswas generally well simulated in the microscale and mesoscale cases studied.
机译:全面的实时核事故后果评估系统TW-NAOCAS, 用于实时评估田湾核电站(NPP)到 通过集成许多现有的预处理器,风场预测, 大气扩散,剂量估算和干预对策模型以及在线可用模型 气象。该系统为快速确定放射性物质的浓度分布提供了一种手段 释放后的早期阶段的材料,各种剂量水平和面积(通过剂量干预水平) 意外。模型评估和系统与系统之间的比较的初步结果表明, TW-NAOCAS系统中使用的数值方法是准确的,并且示踪剂的传输和分散 在所研究的微观和中尺度案例中,通常可以很好地模拟。

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