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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
Source PublicationLANGMUIR
AbstractSurface 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.
Indexed BySCI ; EI
WOS IDWOS:000451245800032
WOS Research AreaChemistry, Multidisciplinary ; Chemistry, Physical ; Materials Science, Multidisciplinary
WOS SubjectChemistry ; Materials Science
Funding OrganizationNational Natural Science Foundation of China [91434204]
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Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.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
Recommended Citation
GB/T 7714
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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