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DOI10.1038/srep23760
Large-scale Generation of Patterned Bubble Arrays on Printed Bi-functional Boiling Surfaces
Choi, Chang-Ho1,2; David, Michele1,2; Gao, Zhongwei1,2; Chang, Alvin1,2; Allen, Marshall1,2; Wang, Hailei3; Chang, Chih-hung1,2
通讯作者Chang, Chih-hung
来源期刊SCIENTIFIC REPORTS
ISSN2045-2322
出版年2016
卷号6
英文摘要

Bubble nucleation control, growth and departure dynamics is important in understanding boiling phenomena and enhancing nucleate boiling heat transfer performance. We report a novel bi-functional heterogeneous surface structure that is capable of tuning bubble nucleation, growth and departure dynamics. For the fabrication of the surface, hydrophobic polymer dot arrays are first printed on a substrate, followed by hydrophilic ZnO nanostructure deposition via microreactor-assisted nanomaterial deposition (MAND) processing. Wettability contrast between the hydrophobic polymer dot arrays and aqueous ZnO solution allows for the fabrication of heterogeneous surfaces with distinct wettability regions. Heterogeneous surfaces with various configurations were fabricated and their bubble dynamics were examined at elevated heat flux, revealing various nucleate boiling phenomena. In particular, aligned and patterned bubbles with a tunable departure frequency and diameter were demonstrated in a boiling experiment for the first time. Taking advantage of our fabrication method, a 6 inch wafer size heterogeneous surface was prepared. Pool boiling experiments were also performed to demonstrate a heat flux enhancement up to 3X at the same surface superheat using bi-functional surfaces, compared to a bare stainless steel surface.


类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000373325500001
WOS关键词CRITICAL HEAT-FLUX ; NANOSTRUCTURED SURFACES ; DESERT BEETLE ; POOL ; WETTABILITY ; COPPER ; FILMS ; WATER
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/2XILL650/196307
作者单位1.Oregon State Univ, Microprod Breakthrough Inst, Oregon Proc Innovat Ctr, Corvallis, OR 97331 USA;
2.Oregon State Univ, Sch Chem Biol & Environm Engn, Corvallis, OR 97331 USA;
3.Oregon State Univ, Sch Mech Ind & Mfg Engn, Corvallis, OR USA
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GB/T 7714
Choi, Chang-Ho,David, Michele,Gao, Zhongwei,et al. Large-scale Generation of Patterned Bubble Arrays on Printed Bi-functional Boiling Surfaces[J],2016,6.
APA Choi, Chang-Ho.,David, Michele.,Gao, Zhongwei.,Chang, Alvin.,Allen, Marshall.,...&Chang, Chih-hung.(2016).Large-scale Generation of Patterned Bubble Arrays on Printed Bi-functional Boiling Surfaces.SCIENTIFIC REPORTS,6.
MLA Choi, Chang-Ho,et al."Large-scale Generation of Patterned Bubble Arrays on Printed Bi-functional Boiling Surfaces".SCIENTIFIC REPORTS 6(2016).
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