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Inhibition of surface ice nucleation by combination of superhydrophobic coating and alcohol spraying

机译:通过超疏水涂层和酒精喷雾的结合来抑制表面冰的成核

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摘要

Delaying and suppressing frost formation is of significance due to its wide application in many fields. In the present study, the characteristics of superhydrophobic surface inhibiting the condensation icing/frost were obtained and the turning point of coverage area was observed, which could be used as the new criterion for the onset of icing on the superhydrophobic surface. It was also found that during the frost accumulation period, the frost shedding occurred at the junction of hydrophilic and superhydrophobic regions when the hybrid surface was inverted. In addition, the results highlighted that the combination of active ethanol spraying and passive superhydrophobic coating could completely avoid the occurrence of condensation icing/frost. (C) 2019 Elsevier Ltd. All rights reserved.
机译:由于其在许多领域中的广泛应用,延缓和抑制霜的形成具有重要意义。在本研究中,获得了超疏水表面抑制结冰/结霜的特性,并观察了覆盖区域的转折点,可作为超疏水表面结冰的新标准。还发现在霜的积累期间,当混合表面倒置时,霜的脱落发生在亲水区和超疏水区的交界处。此外,结果表明,主动乙醇喷涂和被动超疏水涂层的结合可以完全避免凝结冰/霜的发生。 (C)2019 Elsevier Ltd.保留所有权利。

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