本文以去离子水为实验工质,对常压下竖直窄缝通道内过冷流动沸腾的气泡特性进行了实验研究.通过可视化实验分析发现,汽化核心密度主要受壁面过热度影响,气泡脱离直径受壁面过热度、主流过冷度以及质量流速影响.拟合了汽化核心密度和气泡脱离直径的经验关系式,预测结果与实验值误差较小.
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