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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202200899
|2 doi
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|a pubmed25n1141.xml
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|a (DE-627)NLM34246471X
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|a (NLM)35725240
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|a DE-627
|b ger
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|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Song, Youngsup
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Three-Tier Hierarchical Structures for Extreme Pool Boiling Heat Transfer Performance
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 10.08.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2022 The Authors. Advanced Materials published by Wiley-VCH GmbH.
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|a Boiling is an effective energy-transfer process with substantial utility in energy applications. Boiling performance is described mainly by the heat-transfer coefficient (HTC) and critical heat flux (CHF). Recent efforts for the simultaneous enhancement of HTC and CHF have been limited by an intrinsic trade-off between them-HTC enhancement requires high nucleation-site density, which can increase bubble coalescence resulting in limited CHF enhancement. In this work, this trade-off is overcome by designing three-tier hierarchical structures. The bubble coalescence is minimized to enhance the CHF by defining nucleation sites with microcavities interspersed within hemi-wicking structures. Meanwhile, the reduced nucleation-site density is compensated for by incorporating nanostructures that promote evaporation for HTC enhancement. The hierarchical structures demonstrate the simultaneous enhancement of HTC and CHF up to 389% and 138%, respectively, compared to a smooth surface. This extreme boiling performance can lead to significant energy savings in a variety of boiling applications
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|a Journal Article
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|a critical heat flux
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4 |
|a heat-transfer coefficient
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| 650 |
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4 |
|a hierarchical structures
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4 |
|a microstructures
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|a nanostructures
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|a phase-change heat transfer
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1 |
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|a Díaz-Marín, Carlos D
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Lenan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cha, Hyeongyun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, Yajing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Evelyn N
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 34(2022), 32 vom: 15. Aug., Seite e2200899
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
1 |
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|g volume:34
|g year:2022
|g number:32
|g day:15
|g month:08
|g pages:e2200899
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| 856 |
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|u http://dx.doi.org/10.1002/adma.202200899
|3 Volltext
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|d 34
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