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Effect of pulsed electric field with variable frequency on coalescence of drops in oil

机译：脉冲电场对油滴聚拢的脉冲电场的影响

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摘要

Under a pulsed electric field in oil, drops coalesce and become bigger constantly, leading to a change in the optimal coalescence frequency. A pulsed electric field with variable frequency can resolve this problem. To determine the effect of frequency variation of a pulsed electric field on coalescence, a nonlinear vibration kinetic model of a drop in oil is built to obtain the parametric excitation resonance frequency of the drop, which provides a theoretical basis for studying the effect of the change of the drop size on the optimal coalescence frequency. By utilizing a simple model of coalescence of double drops, the coalescence time is obtained, and then the frequency variation and operating parameters of the pulsed electric field is calculated. Experimental results show that the pulsed electric field with variable frequency has a better effect than that with constant frequency on the coalescence of emulsion drops. This finding has significance for engineering applications.
机译：在油的脉冲电场下，滴加合并并不断变得更大，导致最佳聚结频率的变化。 具有可变频率的脉冲电场可以解决这个问题。 为了确定脉冲电场对聚结的频率变化的影响，建立了油滴下降的非线性振动动力学模型，以获得下降的参数激励共振频率，为研究变化效果提供了理论依据 最佳聚结频率的跌幅尺寸。 通过利用双滴耦合的简单模型，获得聚结时间，然后计算脉冲电场的频率变化和操作参数。 实验结果表明，具有可变频率的脉冲电场具有比乳液聚结的恒定频率更好的效果。 这一发现对工程应用具有重要意义。

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  • 来源
    《RSC Advances》 |2015年第40期|共6页
  • 作者

    Peng Ye; Liu Tao; Gong Haifeng; Wang Jingshu; Zhang Xianming;

  • 作者单位

    Lanzhou Univ Technol Sch Mech &

    Elect Engn Lanzhou 730050 Peoples R China;

    Lanzhou Univ Technol Sch Mech &

    Elect Engn Lanzhou 730050 Peoples R China;

    Chongqing Univ Technol Sch Mech Engn Chongqing 400054 Peoples R China;

    Chongqing Univ Technol Sch Mech Engn Chongqing 400054 Peoples R China;

    Engn Res Ctr Waster Oil Recovery Technol &

    Equipm Chongqing 400067 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
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