| 可连续移动相边界的直流式蒸汽发生器模型 |
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| 引用本文： | 程轶平,崔震华.可连续移动相边界的直流式蒸汽发生器模型[J].核动力工程,2000,21(3):197-201. |
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| 作者姓名： | 程轶平 崔震华 |
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| 作者单位： | 清华大学工程物理系,北京,100084 |
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| 摘 要： | 以全微分公式为数学基础，提出了可连续移动相边界的直流式蒸汽发生器模型。为了改善值求解稳定性，在用状态变量的空间差分来逼近空间导数时，根据不同情况采用前向差分或后向差分。根据该模型编制的程序对ＯＴＳＧ的动态进行仿真，取得了很好的仿真效果。
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| 关 键 词： | 直流式蒸汽发生器 可连续移动相边界 数学模型 |
Movable Phase Boundary Model for Once-Through Steam Generator Analysis |
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| Cheng Yiping,Cui Zhenhua.Movable Phase Boundary Model for Once-Through Steam Generator Analysis[J].Nuclear Power Engineering,2000,21(3):197-201. |
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| Authors: | Cheng Yiping Cui Zhenhua |
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| Abstract: | A new mathematical model for calculating the dynamic behavior of once through steam generators is presented.The model utilizes a movable boundary spatial discretization technique based on the total differential formula.To improve numerical stability,forward or backward difference is chosen in different cases while spatial differences are used to approximate spatial derivaives.A computer code based on this model is developed and performs well in thermal hydraulic predictions of once through steam generator. |
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| Keywords: | Once through steam generator Movable phase boundary Mathematical model |
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