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首页> 外文期刊>International Journal of Heat and Mass Transfer >Photographic study of bubble behaviors in forced convection subcooled boiling
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Photographic study of bubble behaviors in forced convection subcooled boiling

机译：强制对流过冷沸腾中气泡行为的摄影研究

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Forced convection subcooled water boiling experiments were conducted in a vertical annular channel. A high-speed digital video camera was applied to record the dynamics of the subcooled boiling process. The flow visualization results show that the bubble departure frequency generally increases as the heat flux increases. For some cases, the departure frequency may reach a limit around 1000 bubbles/s. In addition, bubble lift-off diameter, bubble growth rate and bubble velocity after bubble lift-off were determined by analyzing the images. The experimental data obtained from this study can be used in modeling the bubble departure frequency, bubble lift-off diameter, and bubble dynamics in forced convection subcooled boiling.
机译：在垂直环形通道中进行强制对流过冷水沸腾实验。高速数字摄像机用于记录过冷沸腾过程的动态。流动可视化结果表明，气泡离开频率通常随着热通量的增加而增加。在某些情况下，离开频率可能会达到约1000个气泡/秒的极限。另外，通过分析图像确定气泡剥离直径，气泡生长速率和气泡剥离后的气泡速度。从这项研究中获得的实验数据可用于模拟强制对流过冷沸腾中的气泡离开频率，气泡提离直径和气泡动力学。

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