Three-Dimensional Numerical Simulation of Nuclear Heating Reactor under Asymmetric Operation Condition

HENG XIE; ZUYING GAO; ZHIWEI ZHOU

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Three-Dimensional Numerical Simulation of Nuclear Heating Reactor under Asymmetric Operation Condition

机译：非对称运行条件下核加热反应堆的三维数值模拟

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A three-dimensional thermal-hydraulic model has been built to numerically simulate the flow and heat transfer in a 5 MW integral nuclear heating reactor (NHR-5). The simulation is performed with the general purpose commercial CFD code PHOENICS, The porous media model has been used to model the complex structure in the core and heat exchangers. The numerical model is validated by the asymmetric operation test results of the NHR-5. A comparison of the simulation results with the test results shows a good agreement. Analyses also show that shutting down half of the main heat exchangers in the NHR-5 will result in neither significant asymmetric distributions of the system parameters in the core nor a deterioration of reactor safety.

机译：建立了三维热工液压模型，以数值模拟5 MW一体式核加热反应堆（NHR-5）的流动和传热。使用通用商业CFD代码PHOENICS进行了仿真。多孔介质模型已用于对堆芯和热交换器中的复杂结构进行建模。该数值模型通过NHR-5的非对称运行测试结果进行了验证。仿真结果与测试结果的比较显示出很好的一致性。分析还显示，关闭NHR-5中的一半主要热交换器不会导致堆芯中系统参数的明显不对称分布，也不会导致反应堆安全性下降。

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来源
《Heat Transfer Engineering》 |2004年第6期|p.62-71|共10页
作者
HENG XIE; ZUYING GAO; ZHIWEI ZHOU;
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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
中图分类工业用热工设备;
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Three-Dimensional Numerical Simulation of Nuclear Heating Reactor under Asymmetric Operation Condition

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