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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.1c02488
|2 doi
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|a eng
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| 100 |
1 |
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|a Li, Tao
|e verfasserin
|4 aut
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| 245 |
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|a Impact Dynamics of Nanodroplets on V-Shaped Substrates
|b Asymmetrical Behavior and Fast-Rebound Dynamics
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|c 2021
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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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|a Date Revised 09.11.2021
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Controlling the drop impact behaviors plays an important role in both designing surface functional materials and improving industrial techniques. Here, the impact dynamics of nanodroplets on "V-shaped" substrates is studied, which is manifested as asymmetrical spreading and retraction behaviors that could be weakened by increasing the angles of the "V" shape, accompanied by the evolution of the shape from leaf-like, stripe-like, to dumbbell-like at v = 20 Å/ps. When v increases to 40 Å/ps, the previously deposited nanodroplets could be transformed to a rebound one at α = 60 and 90°, which is ascribed to the combined effect of the confinement conditions and the extrusion force. Furthermore, an impact behavior map as a function of impact velocity and angle is depicted, which suggests that a decrease in angles or an increase in the impact velocity is likely to cause the nanodroplets to rebound. More importantly, the results give visible evidence that compared to the flat substrates, the V-shaped structure is advantageous for achieving a fast-rebound behavior even at a low speed of impact, which should be good news for practical applications in many multidisciplinary fields, such as self-cleaning, anti-icing/fogging, pollution prevention, energy storage, and so forth
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|a Journal Article
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| 700 |
1 |
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|a Wu, Yan
|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 37(2021), 44 vom: 09. Nov., Seite 13170-13178
|w (DE-627)NLM098181009
|x 1520-5827
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|g volume:37
|g year:2021
|g number:44
|g day:09
|g month:11
|g pages:13170-13178
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|u http://dx.doi.org/10.1021/acs.langmuir.1c02488
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