Arid
DOI10.1038/srep19131
Controlling condensation and frost growth with chemical micropatterns
Boreyko, Jonathan B.1,2,3; Hansen, Ryan R.2,3,4; Murphy, Kevin R.1; Nath, Saurabh1; Retterer, Scott T.2,3,5; Collier, C. Patrick2,3
通讯作者Collier, C. Patrick
来源期刊SCIENTIFIC REPORTS
ISSN2045-2322
出版年2016
卷号6
英文摘要

In-plane frost growth on chilled hydrophobic surfaces is an inter-droplet phenomenon, where frozen droplets harvest water from neighboring supercooled liquid droplets to grow ice bridges that propagate across the surface in a chain reaction. To date, no surface has been able to passively prevent the in-plane growth of ice bridges across the population of supercooled condensate. Here, we demonstrate that when the separation between adjacent nucleation sites for supercooled condensate is properly controlled with chemical micropatterns prior to freezing, inter-droplet ice bridging can be slowed and even halted entirely. Since the edge-to-edge separation between adjacent supercooled droplets decreases with growth time, deliberately triggering an early freezing event to minimize the size of nascent condensation was also necessary. These findings reveal that inter-droplet frost growth can be passively suppressed by designing surfaces to spatially control nucleation sites and by temporally controlling the onset of freezing events.


类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000368663400001
WOS关键词SUPERHYDROPHOBIC SURFACES ; DROPWISE CONDENSATION ; HEAT-TRANSFER ; SUPERCOOLED WATER ; ICE NUCLEATION ; SOLID-SURFACES ; DESERT BEETLE ; POLYMER-FILMS ; WETTABILITY ; FABRICATION
WOS类目Multidisciplinary Sciences
WOS研究方向Science & Technology - Other Topics
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/196287
作者单位1.Virginia Tech, Dept Biomed Engn & Mech, Blacksburg, VA 24061 USA;
2.Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA;
3.Univ Tennessee, Bredesen Ctr Interdisciplinary Res & Grad Educ, Knoxville, TN 37996 USA;
4.Kansas State Univ, Dept Chem Engn, Durland Hall, Manhattan, KS 66506 USA;
5.Oak Ridge Natl Lab, Biosci Div, Oak Ridge, TN 37831 USA
推荐引用方式
GB/T 7714
Boreyko, Jonathan B.,Hansen, Ryan R.,Murphy, Kevin R.,et al. Controlling condensation and frost growth with chemical micropatterns[J],2016,6.
APA Boreyko, Jonathan B.,Hansen, Ryan R.,Murphy, Kevin R.,Nath, Saurabh,Retterer, Scott T.,&Collier, C. Patrick.(2016).Controlling condensation and frost growth with chemical micropatterns.SCIENTIFIC REPORTS,6.
MLA Boreyko, Jonathan B.,et al."Controlling condensation and frost growth with chemical micropatterns".SCIENTIFIC REPORTS 6(2016).
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