| 摇摆条件下矩形窄缝通道内汽泡脱离直径实验研究 |
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| 引用本文： | 谢添舟,陈炳德,闫晓,徐建军,黄彦平,肖泽军. 摇摆条件下矩形窄缝通道内汽泡脱离直径实验研究[J]. 原子能科学技术, 2014, 48(4): 637-641. DOI: 10.7538/yzk.2014.48.04.0637 |
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| 作者姓名： | 谢添舟 陈炳德 闫晓 徐建军 黄彦平 肖泽军 |
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| 作者单位： | 中国核动力研究设计院 中核核反应堆热工水力技术重点实验室，四川 成都610041 |
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| 基金项目： | 国家自然科学基金资助项目(51106142) |
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| 摘 要： | 以去离子水为工质，可视化研究了矩形窄缝通道内不同质量流速下摇摆运动对汽泡脱离直径的影响。研究结果表明，由于摇摆运动引起的局部流场波动，汽泡生长过程变得不稳定，且汽泡脱离直径在一定范围内波动，这种效应会随质量流速的增大而减弱。线性拟合发现，摇摆角位移为0°时，汽泡脱离直径有最小的趋势。
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| 关 键 词： | 摇摆运动 矩形窄缝通道 汽泡脱离直径 |
Experimental Research on Bubble Departure Diameter in Narrow Rectangular Channel Under Rolling Motion |
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| XIE Tian-zhou,CHEN Bing-de,YAN Xiao,XU Jian-jun,HUANG Yan-ping,XIAO Ze-jun. Experimental Research on Bubble Departure Diameter in Narrow Rectangular Channel Under Rolling Motion[J]. Atomic Energy Science and Technology, 2014, 48(4): 637-641. DOI: 10.7538/yzk.2014.48.04.0637 |
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| Authors: | XIE Tian-zhou CHEN Bing-de YAN Xiao XU Jian-jun HUANG Yan-ping XIAO Ze-jun |
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| Affiliation: | CNNC Key Laboratory on Nuclear Reactor Thermal Hydraulics Technology, Nuclear Power Institute of China, Chengdu 610041, China |
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| Abstract: | The effect of rolling motion on bubble departure diameter at different mass flow rates was investigated in a narrow rectangular channel using deionized water as the working fluids. The results show that, because of the local flow field fluctuation caused by rolling motion, bubble growth process becomes unstable and bubble departure diameter fluctuates within a certain range. This effect will be weakened with the increase of mass flow rate. By linear fitting, it is indicated that the bubble departure diameter has a trend to be the smallest when the angular displacement of rolling motion is zero. |
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| Keywords: | rolling motion narrow rectangular channel bubble departure diameter |
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