| 电场作用下流动聚焦的实验研究 |
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| 引用本文： | 司廷,田瑞军,李广滨,尹协振.电场作用下流动聚焦的实验研究[J].力学学报,2011,43(6):1030-1036. |
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| 作者姓名： | 司廷 田瑞军 李广滨 尹协振 |
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| 作者单位： | 中国科学技术大学近代力学系 |
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| 基金项目： | 国家自然科学基金(11002139,10802084); 中国博士后科学基金(20100470854); 中央高校基本科研业务费专项资金资助项目~~ |
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| 摘 要： | 通过在流动聚焦的同轴液-气射流区域施加电场, 开展了电场力和气动力共同作用下锥形以及带电
射流的不稳定性特性实验研究. 实验在精密设计的流动聚焦装置上完成, 分析了外部电压、
气体压力降和液体流量等主要控制参数对流动聚焦过程的影响, 获得了锥形的振动模式和稳
定模式及其之间的转换, 得到了射流的滴模式、轴对称模式、共存模式和非轴对称模式及其
转换并定量分析了电场对射流尺寸参数的影响. 结果表明, 相比于单一的流动聚焦, 该方法
能够增强锥形的稳定性, 促进液体射流雾化, 减小颗粒的直径, 因此在科技领域和工程实际
中具有重要的应用价值.
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| 关 键 词： | 流动聚焦 电场 带电射流 锥形 流动模式 |
| 收稿时间： | 2011-06-07 |
| 修稿时间： | 2011-08-15 |
EXPERIMENTAL STUDY OF THE FLOW FOCUSING UNDER AN ELECTRIC FIELD |
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| Si Ting Tian Ruijun Li Guangbin Yin Xiezhen.EXPERIMENTAL STUDY OF THE FLOW FOCUSING UNDER AN ELECTRIC FIELD[J].chinese journal of theoretical and applied mechanics,2011,43(6):1030-1036. |
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| Authors: | Si Ting Tian Ruijun Li Guangbin Yin Xiezhen |
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| Institution: | Department of Modern Mechanics, University of Science and Technology of China, Hefei 230027, China |
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| Abstract: | The instability characteristics of the cone and the electrified jet coupling the electric and pneumatic forces have been investigated experimentally by applying an electric field in the region of the coaxial liquid-gas jet of flow focusing.The experiments were carried out on a well-designed flow focusing device.The effects of the mainly controllable parameters including the external electric voltage,the gas pressure drop and the liquid flow rate on the flow focusing process were analyzed.The flow modes of t... |
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| Keywords: | flow focusing electrical field electrified jet cone flow mode |
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