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240201s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.3c03758
|2 doi
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|a eng
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|a Wang, Dan-Qi
|e verfasserin
|4 aut
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|a Coalescence-Induced Jumping of Nanodroplets in a Perpendicular Electric Field
|b A Molecular Dynamics Study
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|c 2024
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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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|a Date Revised 13.02.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Coalescence-induced jumping has promised a substantial reduction in the droplet detachment size and consequently shows great potential for heat-transfer enhancement in dropwise condensation. In this work, using molecular dynamics simulations, the evolution dynamics of the liquid bridge and the jumping velocity during coalescence-induced nanodroplet jumping under a perpendicular electric field are studied for the first time to further promote jumping. It is found that using a constant electric field, the jumping performance at the small intensity is weakened owing to the continuously decreased interfacial tension. There is a critical intensity above which the electric field can considerably enhance the stretching effect with a stronger liquid-bridge impact and, hence, improve the jumping performance. For canceling the inhibition effect of the interfacial tension under the condition of the weak electric field, a square-pulsed electric field with a paused electrical effect at the expansion stage of the liquid bridge is proposed and presents an efficient nanodroplet jumping even using the weak electric field
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|a Journal Article
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| 700 |
1 |
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|a Wang, Zi-Jie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Shao-Yu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Yan-Ru
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zheng, Shao-Fei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lee, Duu-Jong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Xiao-Dong
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 40(2024), 6 vom: 13. Feb., Seite 3248-3259
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:40
|g year:2024
|g number:6
|g day:13
|g month:02
|g pages:3248-3259
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|u http://dx.doi.org/10.1021/acs.langmuir.3c03758
|3 Volltext
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