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在1.0～4.5MPa的压力范围内研究了1.2mm间隙环形窄缝通道内过冷沸腾起始点。分析了部分热工参量对沸腾起始点的影响。引入双面加热影响因子,对环形窄缝内过冷沸腾起始点的数据进行回归分析,得出了适用于环形窄缝过冷沸腾起始点的实验关系式。
The starting point of supercooling boiling in 1.2mm gap annular narrow channel was studied in the pressure range of 1.0 ~ 4.5MPa. The influence of some thermal parameters on the initial boiling point is analyzed. The influential factors of double-side heating were introduced to analyze the data of the starting point of supercooled boiling in the narrow annular slit. The experimental data of the starting point of subcooled boiling of narrow annular slit were obtained.