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首页> 外文会议>Proceedings of the international topical meeting on advanced reactors safety >Confirmatory Calculations of Effects of Wind Turbulence on Passive External Containment Cooling
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Confirmatory Calculations of Effects of Wind Turbulence on Passive External Containment Cooling

机译：湍流对被动式外部安全壳冷却影响的验证性计算

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摘要

The Westinghouse AP600 nuclear generating plant uses a passive containment cooling system (PCCS) to remove energy released to the containment building following a loss-of-coolant accident (LOCA) or main steamline break (MSLB). This system uses natural draft air cooling and the evaporation of a water film from the outside of the steel containment shell to transfer heat from the containment vessel to the environment. Tests performed at the Boundary Layer Wind Tunnel Laboratory at the University of Western Ontario were designed to test the aerodynamic response of air flow past the AP600 containment under a variety of conditions.rnIn the range tested, it is seen that the model-to-full-scale aerodynamic response is insensitive to model size. The effect of the wind-induced, oscillating inlet-minus-chimney pressures (with a near-zero mean) is to slightly increase heat removal rates from the containment atmosphere and, hence, slightly decrease the calculated containment pressures for the LOCA. This paper extends previously published work by providing supporting WGOTHIC computer code calculations.
机译：西屋AP600核电站使用无源安全壳冷却系统（PCCS）来消除因冷却液损失事故（LOCA）或主蒸汽管道中断（MSLB）而释放到安全壳建筑物中的能量。该系统利用自然通风冷却并从钢制安全壳的外部蒸发水膜，以将热量从安全壳传递到环境中。在西安大略大学的边界层风洞实验室进行的测试旨在测试在各种条件下经过AP600密闭容器的气流的空气动力响应。尺度的空气动力学响应对模型尺寸不敏感。风诱导的入口负烟囱压力的波动（均值接近零）的作用是略微提高从安全壳大气中的除热率，从而略微降低LOCA的计算安全壳压力。本文通过提供支持的WGOTHIC计算机代码计算来扩展以前的工作。

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