In the master's thesis we discuss the process of freezing water droplets on surfaces with different degree of wetting, which was monitored using an IR camera and a high-speed camera. The work also deals with the phenomenon of superhydrophobicity, an overview of possible procedures for the fabrication of superhydrophobic surfaces on an aluminium base and the design of surfaces where the contact angle between the water droplet and the surface is more than 150°. We designed a surface where the maximum contact angle was 161,1° and the roll off angle did not exceed 1°. We designed and manufactured a test track and a test chamber that allowed the aluminium surface to cool below the freezing temperature of the water droplet. The work also evaluates the process of cooling and freezing a water droplet on a hydrophilic and superhydrophobic surface at three temperature levels -6 °C, -9 °C and -12 °C. We found that the cooling or freezing time on a superhydrophobic surface is on average 60% or 58% longer compared to the hydrophilic surface. The process of freezing small and large water droplets, which was recorded with the help of an IR camera at a speed of 200 Hz, is also shown, where we found that the recalescence lasts 74,9 ms.
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