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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.8b02651
|2 doi
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|a eng
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| 100 |
1 |
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|a Huang, Jun-Jie
|e verfasserin
|4 aut
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| 245 |
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|a Numerical Investigation of Coalescence-Induced Droplet Jumping from a Hydrophobic Fiber
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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| 500 |
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|a Date Completed 28.01.2019
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|a Date Revised 28.01.2019
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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 droplet jumping from a round hydrophobic fiber was studied by phase-field-based hybrid lattice-Boltzmann finite-difference simulations in which the interface dynamics is handled by the finite-difference solution of the Cahn-Hilliard equation and the hydrodynamics is handled by the lattice-Boltzmann method. It was found that at a small Ohnesorge number of O(0.01), several different outcomes, including normal jumping at a positive velocity, jumping with a negative velocity, jumping after wrapping the fiber, and oscillating on the fiber, may occur after droplet coalescence, depending on the wettability of the fiber and the droplet-to-fiber radius ratio. In accordance with previous reports, normal droplet jumping from the fiber happens only when the radius ratio exceeds some critical value for a given contact angle. The critical radius ratio decreases as the fiber becomes more hydrophobic. For a given contact angle and radius ratio, it was observed that there exists an Ohnesorge number at which the jumping speed achieves a maximum value
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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1 |
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|a Xiao, Xu-Bin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Yu-Jie
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 34(2018), 47 vom: 27. Nov., Seite 14186-14195
|w (DE-627)NLM098181009
|x 1520-5827
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|g volume:34
|g year:2018
|g number:47
|g day:27
|g month:11
|g pages:14186-14195
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|u http://dx.doi.org/10.1021/acs.langmuir.8b02651
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