Journal of Ocean Engineering and Technology (한국해양공학회지)

Korean Society of Ocean Engineers (한국해양공학회)
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Superhydrophobic Nano Patterning Techniques for Enhanced Performance of Naval Underwater Vessels

군용 수중 운동물체의 성능강화를 위한 초소수성 나노 패터닝 기술

  • Hong, Soon-Kook (Dept. of Mechanical Engineering and Naval Architecture, Korea Naval Academy) ;
  • Lee, Ki-Young (Dept. of Mechanical Engineering and Naval Architecture, Korea Naval Academy)
  • 홍순국 (해군사관학교 기계조선공학과) ;
  • 이기영 (해군사관학교 기계조선공학과)
  • Received : 2013.03.05
  • Accepted : 2013.04.19
  • Published : 2013.04.30
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Abstract

A superhydrophobic surface means that the contact angle between the solid surface and a water droplet is more than $150^{\circ}$. Materials with a superhydrophobic surface have a self-cleaning function because of the Lotus effect, in which water is not absorbed by the material but rolls off of it. If such a Lotus effect can be applied to the surface of underwater vessels, submarines, torpedos, and so on, enhanced vessels can be made based on this lubricant effect reducing the friction coefficient for the liquid. Because polymer composites can be easily applied in various nanotechniques, they are more advantageous than conventional materials like iron in terms of a superhydrophobic surface. Furthermore, a superhydrophobic surface bring enhanced anticorrosion and ecotechnology because no paint is needed on underwater vessels.

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References

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