不同形状裸堆温度场的数值计算
首发时间:2009-02-13
摘要:在非结构化网格中,采用有限容积方法离散热传导方程,数值计算三种不同形状动力反应堆(裸堆)的温度场分布。这其中包括无限大平板形,长方体和球体形的反应堆,这些堆型具有不均匀的三角函数内热源分布。从计算结果中可以得到,最高温度区域的精确位置和最高温度。在有精确解的情况下,比较分析了两种计算结果。通过这些可以证明本数值模拟方法正确可靠,可为核工程设计和研究提供有益的参考。
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The Calculation of Temperature Fields in Several Advanced Pressure Water Reactors
Abstract:The temperature distribution of the advanced pressure water reactors (APWR) with the different geometry reactors were computed by the finite volume method (FVM) in the unstructured grids. These reactors have asymmetrical heat resource distributions such as some triangle special functions. The zones of the highest temperature can be confirmed from the numerical simulation. The some results were comprised with the exact solutions. The computational results indicated that this numerical calculation method has a good credibility and can provide a useful reference for the nuclear engineering design and research.
Keywords: Pressure water reactor asymmetrical heating unstructured meshes
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不同形状裸堆温度场的数值计算
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