Icephobicity of Slippery Liquid Infused Porous Surfaces under Multiple Freeze-Thaw and Ice Accretion-Detachment Cycles
Icephobicity of Slippery Liquid Infused Porous Surfaces under Multiple Freeze-Thaw and Ice Accretion-Detachment Cycles
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DOI：
10.1002/admi.201800828
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发表时间：
2018-10-23
影响因子：
5.4
通讯作者：
Vuoristo, Petri
中科院分区：
文献类型：
--
作者：
Niemela-Anttonen, Henna;Koivuluoto, Heli;Vuoristo, Petri
表面工程可用于防止在处理结冰问题的环境中的冰积聚和粘附。一种最近的工程方法，光滑的液体注入多孔表面（SLIPS），包括光滑且光滑的润滑表面，其中润滑剂被捕获在固体材料的孔内以排斥各种物质，例如水和冰。然而，目前还不清楚光滑的表面是否在过冷水滴或反复冻结和融化循环的影响下保持其疏冰特性。在这里，在多个液滴冻融和积冰-脱离循环下评估SLIPS的疏冰特性，并将其与疏水和超疏水表面进行比较。通过模拟真实的环境条件，在结冰风洞中研究了过冷水滴撞击结冰风洞中的憎冰性。冰的附着力仍然非常低，
Surface engineering can be used to prevent ice accumulation and adhesion in environments that deal with icing problems. One recent engineering approach, slippery liquid infused porous surfaces (SLIPS), comprises a smooth and slippery lubricating surface, where lubricant is trapped within the pores of a solid material to repel various substances, such as water and ice. However, it remains unclear whether the slippery surfaces retain their icephobic characteristics under the impact of supercooled water droplets or repeated freezing and melting cycles. Here, the icephobic properties of SLIPS are evaluated under multiple droplet freeze-thaw and ice accretion-detachment cycles and compared to hydrophobic and superhydrophobic surfaces. The experiments are designed to mimic real environmental conditions, thus, the icephobicity is investigated in icing wind tunnel, where ice accretion occurs through the impact of supercooled water droplets. The adhesion of ice remained extremely low,