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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.9b02274
|2 doi
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|a pubmed24n1008.xml
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|a (DE-627)NLM302492925
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|a (NLM)31644302
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Motaghian, M
|e verfasserin
|4 aut
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|a Rapid Spreading of a Droplet on a Thin Soap Film
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|c 2019
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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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|2 rdacarrier
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|a Date Revised 04.03.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a We study the spreading of a droplet of surfactant solution on a thin suspended soap film as a function of dynamic surface tension and volume of the droplet. Radial growth of the leading edge (R) shows power-law dependence on time with exponents ranging roughly from 0.1 to 1 for different surface tension differences (Δσ) between the film and the droplet. When the surface tension of the droplet is lower than the surface tension of the film (Δσ > 0), we observe rapid spreading of the droplet with R ≈ tα, where α (0.4 < α < 1) is highly dependent on Δσ. Balance arguments assuming the spreading process is driven by Marangoni stresses versus inertial stresses yield α = 2/3. When the surface tension difference does not favor spreading (Δσ < 0), spreading still occurs but is slow with 0.1 < α < 0.2. This phenomenon could be used for stretching droplets in 2D and modifying thin suspended films
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|a Journal Article
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|a Shirsavar, R
|e verfasserin
|4 aut
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|a Erfanifam, M
|e verfasserin
|4 aut
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|a Sabouhi, M
|e verfasserin
|4 aut
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|a van der Linden, E
|e verfasserin
|4 aut
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|a Stone, H A
|e verfasserin
|4 aut
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|a Bonn, D
|e verfasserin
|4 aut
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|a Habibi, Mehdi
|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 1999
|g 35(2019), 46 vom: 19. Nov., Seite 14855-14860
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:35
|g year:2019
|g number:46
|g day:19
|g month:11
|g pages:14855-14860
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|u http://dx.doi.org/10.1021/acs.langmuir.9b02274
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