| 圆环旋转液体射流稳定性的研究 |
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| 引用本文： | 林玉静,杨延相,郗大光,杜青. 圆环旋转液体射流稳定性的研究[J]. 工程热物理学报, 2001, 22(4): 519-522 |
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| 作者姓名： | 林玉静 杨延相 郗大光 杜青 |
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| 作者单位： | 天津大学内燃机燃烧学国家重点实验室!天津 300072，天津大学内燃机燃烧学国家重点实验室!天津 300072，天津大学内燃机燃烧学国家重点实验室!天津 300072，天津大学内燃机燃烧学国家重点实验室!天津 300072 |
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| 摘 要： | 本文详细研究了圆环旋转非粘液体射流在静止的非粘不可压缩气体介质中的不稳定性问题，给出了描述射流稳定性的色散方程，证明了圆环旋转液体射流失稳的主导模式是准非对称模式，最后讨论了射流稳定性的影响参数．
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| 关 键 词： | 圆环旋转液体射流 稳定性 色散关系 |
| 文章编号： | 0253-231(2001)04-0519-04 |
| 修稿时间： | 2001-01-12 |
A STUDY ON THE INSTABILITY OF AN ANNULAR SWIRLING LIQUID JET |
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| LIN Yu-Jing,YANG Yan-Xiang,XI Da-Guang,DU Qing. A STUDY ON THE INSTABILITY OF AN ANNULAR SWIRLING LIQUID JET[J]. Journal of Engineering Thermophysics, 2001, 22(4): 519-522 |
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| Authors: | LIN Yu-Jing YANG Yan-Xiang XI Da-Guang DU Qing |
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| Abstract: | A linear analysis has been carried out for the instability of an annular swirling inviscid liquid jet moving into a quiescent inviscid gas medium. The results show that the quasi-sinuous mode disturbance is predominant for the instability of the annular swirling liquid jet. The effects of a number of non-dimensional parameters, including the Weber Number, the density ratio of gas and liquid, the ratio of inner and outer radii, the swirl number, on the instability of the jet have also been studied considerably. |
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| Keywords: | annular swirling liquid jet instability dispersion relation |
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