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Calculation and Analysis of Runback Water Flow on Anti-Icing Airfoil Surface

机译：防冰翼面径流水流的计算与分析

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摘要

A calculation method was developed to analyze the water-film flow on an anti-icing airfoil surface. The mathematical model for the mass and heat transfer of the water-film flow considered two regions: the runback water layer, and the external airflow boundary layer on the anti-icing surface. Both of the airflow boundary and water flow layers were subject to mass, momentum, and energy conservations. The thickness of the water-film flow was predicted. In the water droplet impinging area, the water flowed in the form of water film. Outside the water droplet impinging area, the water film became unstable and then broke up into individual rivulets due to the influence of the aerodynamic shear force and surface properties. The mathematical model of rivulets was presented and used to predict the shape of the rivulets on the airfoil surface. The calculations were compared to the experimental results. The characteristics of the runback water on the anti-icing surface were analyzed.
机译：开发了一种计算方法来分析防冰翼型表面上的水膜流动。水膜流的质量和热传递的数学模型考虑了两个区域：回流水层和防冰表面上的外部气流边界层。气流边界层和水流层都受到质量，动量和能量守恒的影响。预测水膜流的厚度。在水滴撞击区域中，水以水膜的形式流动。在水滴撞击区域之外，由于气动剪切力和表面特性的影响，水膜变得不稳定，然后破裂成单个的小流。提出了小铆钉的数学模型，并将其用于预测小翼表面上小铆钉的形状。将计算结果与实验结果进行比较。分析了防冰表面上的润水特性。

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  • 来源
    《Journal of Aircraft》 |2016年第6期|1597-1605|共9页
  • 作者

    Dong W.; Zheng M.; Zhu J.; Lei G.;

  • 作者单位

    Shanghai Jiao Tong Univ, Sch Mech Engn, Shanghai 200240, Peoples R China;

    Shanghai Jiao Tong Univ, Sch Mech Engn, Shanghai 200240, Peoples R China;

    Shanghai Jiao Tong Univ, Sch Mech Engn, Shanghai 200240, Peoples R China;

    Shanghai Jiao Tong Univ, Sch Mech Engn, Shanghai 200240, Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
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