Surface engineering for phase change heat transfer: A review

Attinger, Daniel; Frankiewicz, Christophe; Betz, Amy Rachel; Schutzius, Thomas M.; Ganguly, Ranjan; Das, Arindam; Kim, C. J.; Megaridis, Constantine M.

doi:10.1557/mre.2014.9

Cited by 324 publications

(205 citation statements)

References 325 publications

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“…5 AFPs in fish living in polar climates can depress body fluid freezing down to −2°C, and AFPs in insects can prevent freezing down to temperatures of as low as −10°C. 5 The antifreezing character of AFPs is explained by several factors: (1) They have a high affinity for the water-ice front (liquid−solid interface). (2) They have an excellent structural match to the ice crystal, which inhibits the growth of the ice front.…”

Section: Ice Nucleation Considerations: Towardmentioning

confidence: 99%

Physics of Icing and Rational Design of Surfaces with Extraordinary Icephobicity

Schutzius,

Jung,

Maitra

et al. 2014

Langmuir

Self Cite

318

268

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Icing of surfaces is commonplace in nature and technology, affecting everyday life and sometimes causing catastrophic events. Understanding (and counteracting) surface icing brings with it significant scientific challenges that requires interdisciplinary knowledge from diverse scientific fields such as nucleation thermodynamics and heat transfer, fluid dynamics, surface chemistry, and surface nanoengineering. Here we discuss key aspects and findings related to the physics of ice formation on surfaces and show how such knowledge could be employed to rationally develop surfaces with extreme resistance to icing (extraordinary icephobicity). Although superhydrophobic surfaces with micro-, nano-, or (often biomimetic) hierarchical roughnesses have shown in laboratory settings (under certain conditions) excellent repellency and low adhesion to water down to temperatures near or below the freezing point, extreme icephobicity necessitates additional important functionalities. Other approaches, such as lubricant-impregnated surfaces, exhibit both advantages and serious limitations with respect to icing. In all, a clear path toward passive surfaces with extreme resistance to ice formation remains a challenge, but it is one well worth undertaking. Equally important to potential applications is scalable surface manufacturing and the ability of icephobic surfaces to perform reliably and sustainably outside the laboratory under adverse conditions. Surfaces should possess mechanical and chemical stability, and they should be thermally resilient. Such issues and related research directions are also addressed in this article.

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Section: Ice Nucleation Considerations: Towardmentioning

confidence: 99%

Physics of Icing and Rational Design of Surfaces with Extraordinary Icephobicity

Schutzius,

Jung,

Maitra

et al. 2014

Langmuir

Self Cite

318

268

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“…[30,[95][96][97][98][99][100] Condensation has two basic modes: filmwise condensation in the case of hydrophilic surfaces, where the condensate exists in the form of a continuous liquid film, and dropwise condensation in the case of hydrophobic surfaces, which is characterized by the dynamic self-renewal of discrete drops. [99] It has been reported that dropwise condensation results in more efficient energy transport, allowing a heat-transfer coefficient that is 5-7 times higher than that of filmwise condensation, since discrete drops have relatively lower thermal resistance than continuous liquid films and can release a larger number of bare sites for nucleation and thermal energy transport.…”

Section: Enhanced Heat Transfermentioning

confidence: 99%

Recent Progress in Bionic Condensate Microdrop Self‐Propelling Surfaces

2017

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interest has focused on utilizing the lowadhesivity nature of superhydrophobic surfaces for the rapid removal of condensate microdrops, as this has significance in fundamental research and technological innovation. Example applications are the enhancement of condensation heat transfer for high-efficiency thermal management and energy utilization, [20][21][22][23][24][25] energy-effective antifreezing for airconditioner heat exchangers and aircraft wings, [26][27][28] and electrostatic energy harvesting. [29] In general, condensate drops on typical flat hydrophobic surfaces are only shed off under gravity when their sizes are comparable to the capillary length (≈2.7 mm for water), [30] which creates undesirable effects such as large thermal resistance [20][21][22][23][24][25] and the freezing of subcooled drops. [26][27][28] Clearly, a great challenge is the timely removal of condensate drops at the microscale where the gravitational effect does not work. The latest research has indicated that these small-scale condensate microdrops may self-remove via mutual coalescence as long as the coalescence-released excess surface energy is larger than the interface adhesion-induced energy dissipation. [31] Much effort has been devoted to exploring the utilization of knowledge of bionic low-adhesivity superhydrophobicity to develop innovative condensate microdrop self-propelling (CMDSP) surfaces. Different from traditional superhydrophobic surfaces, which are characterized by the bouncing or rolling off of deposited millimeter-size large drops, [32,33] CMDSP surfaces support the self-removal capability of smallscale condensate microdrops. It has been reported that classical superhydrophobic lotus leaves (Figure 1a), [34][35][36][37] as well as artificial surfaces consisting of hierarchical micro-and nanostructures, [38] one-tier microstructures, [39][40][41][42][43] or nanostructures [44,45] with larger characteristic interspaces, present a low-adhesivity property to the deposited water macrodrops, but become highly adhesive to condensed microdrops (Figure 1b). This is because moisture easily penetrates the microscale valleys or cavities. Clearly, superhydrophobic surfaces with irrationally designed surface structures can enhance the solid-liquid interfacial adhesion instead of promoting the rapid removal of condensed drops. Accordingly, it is still a challenge to design and fabricate very effective low-adhesivity superhydrophobic surfaces with the self-removal ability of condensate microdrops. Recently, there has been a large breakthrough in understanding the mechanism and construction rules of bionic CMDSP surfaces, leading to the exploration of fabrication methods for the surface functionalization of widely used metal materials and the Bionic condensate microdrop self-propelling (CMDSP) surfaces are attracting increased attention as novel, low-adhesivity superhydrophobic surfaces due to their value in fundamental research and technological innovation, e.g., for enhancing heat transfer, energy-effective antifreezing, and...

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“…Today much attention is paid to development of the methods of heat transfer enhancement at boiling and increasing the critical heat flux [1]. One of directions is the study of the influence of various nanocoatings on heat transfer intensity.…”

Section: Introductionmentioning

confidence: 99%

Enhancement of heat transfer at pool boiling on surfaces with silicon oxide nanowires

Chinnov

Shatskiy

Khmel

et al. 2017

J. Phys.: Conf. Ser.

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Abstract. The boiling heat transfer on the local heaters with microstructured and nanomodified surfaces was studied. As nanomodified surfaces we used copper ones where the microropes of silicon oxide nanowires were grown. The aging of the nanomodified surface was observed after first series of experiments. It was shown that both finning and nanostructuring of the surface result in increase of heat transfer. The heat flux density of 1400 W/cm 2 was reached.

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Surface engineering for phase change heat transfer: A review

Cited by 324 publications

References 325 publications

Physics of Icing and Rational Design of Surfaces with Extraordinary Icephobicity

Physics of Icing and Rational Design of Surfaces with Extraordinary Icephobicity

Recent Progress in Bionic Condensate Microdrop Self‐Propelling Surfaces

Enhancement of heat transfer at pool boiling on surfaces with silicon oxide nanowires

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