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Surface Nanobubbles Nucleate Liquid Boiling
Zou JT; Zhang HG; Guo ZJ; Liu YW; Wei JC(韦佳辰); Huang Y; Zhang XR
发表期刊LANGMUIR
2018-11-20
卷号34期号:46页码:14096-14101
ISSN0743-7463
摘要Surface nanobubbles have been presumed to lead to the experimental observation that liquid boiling often occurs at a much lower supersaturation than expected, yet no qualitative theory exists to explain how they participate in the process. Here, we report through a simple theoretical analysis on how the metastable nanobubbles nucleate the liquid-to-vapor transition by serving as an intermediate phase. The appearance of metastable nanobubbles inhibits the shrink of the bubble nucleus and changes bubble nucleation into a multistep process. We show three possible mechanisms for heterogeneous nucleation starting from metastable surface nanobubbles: nucleation from pinned nanobubbles, nucleation via nanobubble depinning, and nucleation through nanobubble coalescence, each predicting a significant reduction in a nucleation barrier. The occurrence of a specific nucleation pathway of bubble nucleation depends on the detailed geometry of local substrate roughness. These results give insight into how the appearance of surface nanobubbles changes the nucleation mechanisms of liquid boiling.
DOI10.1021/acs.langmuir.8b03290
URL查看原文
收录类别SCI ; EI
语种英语
WOS记录号WOS:000451245800032
关键词[WOS]HYDROPHOBIC SURFACES ; WATER ; CAVITATION ; FORCE ; BUBBLES ; GROWTH ; ONSET
WOS研究方向Chemistry, Multidisciplinary ; Chemistry, Physical ; Materials Science, Multidisciplinary
WOS类目Chemistry ; Materials Science
项目资助者National Natural Science Foundation of China [91434204]
论文分区二类/Q1
力学所作者排名5
引用统计
文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/78143
专题非线性力学国家重点实验室
作者单位1.Beijing Univ Chem Technol, State Key Lab Organ Inorgan Composites, Beijing 100029, Peoples R China
2.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, 15 Beisihuanxi Rd, Beijing 100190, Peoples R China
3.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China
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Zou JT,Zhang HG,Guo ZJ,et al. Surface Nanobubbles Nucleate Liquid Boiling[J]. LANGMUIR,2018,34(46):14096-14101.
APA Zou JT.,Zhang HG.,Guo ZJ.,Liu YW.,韦佳辰.,...&Zhang XR.(2018).Surface Nanobubbles Nucleate Liquid Boiling.LANGMUIR,34(46),14096-14101.
MLA Zou JT,et al."Surface Nanobubbles Nucleate Liquid Boiling".LANGMUIR 34.46(2018):14096-14101.
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