Plant leaves icephobicity

Alizadeh-Birjandi, Elaheh; Kavehpour, H. Pirouz

doi:10.1007/s11998-017-9988-4

Cited by 11 publications

(7 citation statements)

References 30 publications

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“…The kale leaf showed delay in heat transfer and initial freezing process than that of lettuce leaf as shown in Figure 5C. 58 He et al observed the delay in the freezing of water and retardation in frosting at the metastable three-phase line region on superhydrophobic isotactic polypropylene film. 59 Bezdomnikov et al also observed 10 h freezing delay of supercooled water droplets deposited on the textured superhydrophobic surface of silicone rubber at −18 °C.…”

Section: Wettability Theoriesmentioning

confidence: 91%

“…The author observed quick change in the temperature of water drops on a lettuce leaf as compared to the kale leaf. The kale leaf showed delay in heat transfer and initial freezing process than that of lettuce leaf as shown in Figure C . He et al observed the delay in the freezing of water and retardation in frosting at the metastable three-phase line region on superhydrophobic isotactic polypropylene film .…”

Section: Design Principles Mechanism and Classification Of Icephobic ...mentioning

confidence: 95%

Section: Design Principles Mechanism and Classification Of Icephobic ...mentioning

confidence: 99%

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Icephobic Strategies and Materials with Superwettability: Design Principles and Mechanism

et al. 2018

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Ice formation and accretion on surfaces is a serious economic issue in energy supply and transportation. Recent strategies for developing icephobic surfaces are intimately associated with superwettability. Commonly, the superwettability of icephobic materials depends on their surface roughness and chemical composition. This article critically categorizes the possible strategies to mitigate icing problems from daily life. The wettability and classical nucleation theories are used to characterize the icephobic surfaces. Thermodynamically, the advantages/disadvantages of superhydrophobic surfaces are discussed to explain icephobic behavior. The importance of elasticity, slippery liquid-infused porous surfaces (SLIPSs), amphiphilicity, antifreezing protein, organogels, and stimuli-responsive materials has been highlighted to induce icephobic performance. In addition, the design principles and mechanism to fabricate icephobic surfaces with superwettability are explored and summarized.

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Section: Wettability Theoriesmentioning

confidence: 91%

Section: Design Principles Mechanism and Classification Of Icephobic ...mentioning

confidence: 95%

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Icephobic Strategies and Materials with Superwettability: Design Principles and Mechanism

et al. 2018

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“…Figure 4 shows the heat transfer rate vs. the droplet radius. As you can see, the heat transfer rate strongly depends on the value of contact angle as increase in contact angle imposes a barrier to thermal transport through the droplet by changing the profile of the isotherms within the drop (Alizadeh-Birjandi and Kavehpour, 2017). As a result, the rate of heat transfer for drops of specific radius is much smaller on hydrophobic substrate all around the range of droplet radius, and the hydrophilic surface has the highest values at all points.…”

Section: Mathematical Modelingmentioning

confidence: 99%

Condensation on Surfaces With Biphilic Topography: Experiment and Modeling

2019

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Optimization of the efficiency of the condensers via different surface engineering techniques is a subject of interest due to its wide range of application in thermal management for aerospace vehicles, power generation systems, and etc., which will further result in considerable savings in annual investments and operating costs by millions of dollars. However, the current technologies are lacking either the necessary condensation enhancements or cost-effective, large-scale fabrication method. In this work, we present a new surface topography to enhance drop-wise condensation at low manufacturing costs. These surfaces consist of macro-scale hydrophobic patterns on hydrophilic structures. Due to their high wettability contrast, the biphilic surfaces enhance drop-wise condensation with long-term functionality, and more importantly, they can be easily manufactured in large-scale using conventional methods as no nano-or micro-features are needed.

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“…4(a)), 35 otherwise the cold air will freeze the residual water on the surface into a thin layer of ice, frostbiting the surface tissue of the plant. As a superhydrophobic winter plant, the kale studied by Alizadeh-birjandi 36 and others has potential application value in resisting the severe cold weather in winter (Fig. 4(b)).…”

Section: Biological Ice-proof Materialsmentioning

confidence: 99%