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超临界压力下自然循环的静态特性

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选取一个典型的自然循环回路,研究超临界压力下的静态特性,结合超临界压力下水物性特点,建立稳态分析模型,采用基于延拓的非线性数值方法求解,并对结果分析。同时讨论了入口温度、功率分布、管径、回路高度及入口阻力系数等因素对静态特性的影响。
Study on Static Characteristic in Natural Circulation Under Supercritical Pressure
With establishment of a static model for natural circulation loops, and with considering the unique variation of thermo-physical properties under supercritical pressures, this paper, by applying appropriate non- linear numerical computation based on continuation concept, compute to analyze its static characteristics. The effects of such factors as inlet bulk temperature, power-type,diameter and height of the loops, coefficient of local resistance at inlet are also related as well.

supercritical pressurenatural circulationstatic instability

张项飞、匡波、胡尚武、都立国

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上海交通大学核科学与工程学院,上海200240

华东电力设计院,上海200063

超临界压力 自然循环 静态不稳定性

2012

能源技术
上海市能源研究所 上海市工程热物理学会

能源技术

影响因子:0.301
ISSN:1005-7439
年,卷(期):2012.33(3)
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