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SETSCI - Volume 3 (2018)
ISAS2018-Winter - 2nd International Symposium on Innovative Approaches in Scientific Studies, Samsun, Turkey, Nov 30, 2018

Methods for Mitigation of Icing with Using Superhydrophobic Surfaces
Arda Çetiner1*, Arif Özbek2, Mete Budaklı3
1Turkish-German University , İstanbul, Turkey
2Çukurova University, Adana, Turkey
3Turkish-German University, İstanbul, Turkey
* Corresponding author:
Published Date: 2019-01-14   |   Page (s): 707-710   |    84     9

ABSTRACT In many engineering applications such as aerospace, automotive and telecommunications, icing leads to mechanical
and socio-economic problems such as efficiency reduction, decreased power transmission, security threat, material damage and
energy waste. Therefore, it is important to investigate anti-icing applications. Nowadays, the methods used to prevent or reduce
ice formation are inadequate, in addition this methods are costly (e.g. laser application) and harmful to the environment due to
applications like chemical spraying. On the other hand, as a promising passive anti-icing application, superhydrophobic (waterrepellent) surfaces come to the fore. Although anti-icing surfaces with low ice adhesion behavior are already used as a precaution.
This method is applied to facilitate the separation of ice from the surface after the formation of ice. However, we know that icing
is caused by the condensation of moisture in the environment on surfaces exposed to subzero temperatures or by the impact of
droplets on the cold surfaces. In addition, studies show that once the ice has taken place, the water adhesion on the surface will
increase and the icing process will accelerate. It is therefore more plausible to focus on the investigation and application of
superhydrophobic surfaces instead of icephobic surfaces. The superhydrophobic surfaces, which have been proven to be
applicable as an anti-icing measure, are characterized by the fact that the droplets form a large contact angle with the surface.
While the surface-contacting interface of the droplet is thus reduced, its ability to move on the surface increases. Thus, the droplet
can easily leave the surface by gravity and / or the flow of fluid in contact with the droplet after it has hit the surface or formed
almost as a sphere on the surface. The parameters that affect the moving ability of liquids on a surface are of course not only
surface properties. However, it should be noted that the common parameter for all liquids are the surface properties.
Superhydrophobic surfaces have certain limitations besides the mentioned advantages. These include high precision in surface
treatment and production; methods such as coating and painting applied to the surface are not resistant to extreme environmental
conditions; at certain temperatures the surface is going to shed its superhydrophobicity. Although the constraints have been
examined in the literature, there are very few and superficial information about the properties of the superhydrophobic surfaces
in which environmental conditions are maintained.  
KEYWORDS Anti-icing, Superhydrophobicity, Micro-structured Surfaces, Heat Transfer, Fluid Mechanics
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