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The description, validation, and first application of a phenomenological model for efficient evaluation of the performances of modern super-hydrophobic surfaces for anti or de-icing operations is presented. Developed within the framework of IMPACT CleanSky-2 project, the procedure captures the different topologies of the water layer along the aircraft surfaces due to the different coating performances, including still-standing single droplets, moving ones, rivulets, and films. The results, in agreement with literature data, confirm that hydrophobic surfaces, while unable to provide a fully passive anti-icing device, offer a significant improvement in both energy efficiency of the thermal protection systems and safety enhancement, since quicker drainage of the runback water prevents unexpected ice accretion on downstream un-protected surfaces.

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Efficient Simulation of Aircraft De-Icing Safety Enhancement and Heat Load Reduction via Super Hydrophobic Coatings

  • 会议论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年

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  • Giulio Croce,
  • Nicola Suzzi

摘要

The description, validation, and first application of a phenomenological model for efficient evaluation of the performances of modern super-hydrophobic surfaces for anti or de-icing operations is presented. Developed within the framework of IMPACT CleanSky-2 project, the procedure captures the different topologies of the water layer along the aircraft surfaces due to the different coating performances, including still-standing single droplets, moving ones, rivulets, and films. The results, in agreement with literature data, confirm that hydrophobic surfaces, while unable to provide a fully passive anti-icing device, offer a significant improvement in both energy efficiency of the thermal protection systems and safety enhancement, since quicker drainage of the runback water prevents unexpected ice accretion on downstream un-protected surfaces.