| 蒸汽发生器一维传热的适定性研究 |
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| 引用本文： | 张琴舜,沈秀中,邓保庆. 蒸汽发生器一维传热的适定性研究[J]. 核科学与工程, 2000, 20(2) |
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| 作者姓名： | 张琴舜 沈秀中 邓保庆 |
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| 作者单位： | 上海交通大学动力与能源工程学院 |
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| 摘 要： | 使用了适定性的数学理论———特征线方法 ,对蒸汽发生器中的一维瞬态两相流传热进行了分析研究 ,目的是为了了解其数学物理本质。根据分析结果 ,蒸汽发生器二次侧的两相流传热是适定的。同时 ,根据这个结果分析得到了求解蒸汽发生器一维传热方程的逆风有限差分格式是稳定的。
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| 关 键 词： | 蒸汽发生器一维两相传热 适定性 特征线方法 特征值 |
A Study on the Well-Posedness of One-Dimensional Heat Transfer in Steam Generator |
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| ZHANG Qinshun,SHEN Xiuzhong,DENG Baoqing. A Study on the Well-Posedness of One-Dimensional Heat Transfer in Steam Generator[J]. Chinese Journal of Nuclear Science and Engineering, 2000, 20(2) |
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| Authors: | ZHANG Qinshun SHEN Xiuzhong DENG Baoqing |
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| Abstract: | The one dimensional, transient, two phase heat transfer in steam generator (SG)is investigated by employing the mathematical theorems on well posedness, the method of characteristics. The main purpose is to study the mathematical and physical nature of this problem. The two phase heat transfer in the SG secondary side, according to the analytical result, is well posed. At the same time, based on the result, it is concluded that the upwind finite difference scheme for solving the one dimensional heat transfer equation for SG is stable. |
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| Keywords: | one dimensional two phase heat transfer in SG well posedness method of characteristics eigenvalue |
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