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首页> 外文期刊>Mathematical Problems in Engineering >A Unified Model Considering Effects of Droplet Break-Up and Air Entrainment at the Initial Stage of Fuel Spray Penetration
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A Unified Model Considering Effects of Droplet Break-Up and Air Entrainment at the Initial Stage of Fuel Spray Penetration

机译：燃料喷雾渗透初期考虑液滴破碎和夹带空气影响的统一模型

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摘要

This paper proposes a new unified single model that considers droplet break-up and air entrainment impact on three flow regimes (namely, Stokes, Allen, and Newton) in the initial stage of fuel spray penetration. Homotopy perturbation method was used to obtain semianalytical solutions of unified single model on diesel fuel's spray penetration when the influence of air entrainment is small (up to 0.1-0.2 ms after the start of injection). It is demonstrated that the applied analytical method is very straightforward in comparison with existing techniques. Furthermore, it is decidedly effectual in terms of accuracy and rapid convergence. The formulation of the problem is presented in the text as well as the analytical and numerical procedures.
机译：本文提出了一个新的统一的单一模型，该模型考虑了在燃料喷雾渗透的初始阶段，液滴破裂和空气夹带对三种流动状态（即斯托克斯，艾伦和牛顿）的影响。当空气夹带的影响较小时（喷射开始后长达0.1-0.2 ms），使用同伦摄动法获得统一的单一模型对柴油喷雾渗透的半解析解。结果表明，与现有技术相比，所应用的分析方法非常简单。此外，在准确性和快速收敛方面绝对是有效的。该问题的表述以及分析和数字程序均在本文中给出。

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  • 来源
    《Mathematical Problems in Engineering》 |2014年第8期|127107.1-127107.11|共11页
  • 作者

    S. Jafarmadar; B. Jalilpour; D. D. Ganji; H. Taghavifar;

  • 作者单位

    Department of Mechanical Engineering, Faculty of Engineering, Urmia University, Urmia 57561-15311, Iran;

    Department of Mechanical Engineering, Faculty of Engineering, Urmia University, Urmia 57561-15311, Iran;

    Department of Mechanical Engineering, Babol University of Technology, P.O. Box 484, Babol, Iran;

    Department of Mechanical Engineering, Faculty of Engineering, Urmia University, Urmia 57561-15311, Iran;

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