Chemical Physics Letters 695 (2018) 112–118 Contents lists available at ScienceDirect Chemical Physics Letters journal homepage: www.elsevier.com/locate/cplett Research paper Molecular dynamics simulation of wetting and evaporation characteristics for sessile nanoﬂuid nanodroplets a a,⇑ a b Weili Qiang , Baohe Wang , Qun Li , Wei Wang State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian, PR China School of Chemical Machinery and Safety, Dalian University of Technology, Dalian, PR China ar ti c l e i nf o ab stra ct Article history: Wetting and evaporation characteristics of sessile nanoﬂuid nanodroplet (SNFND) were investigated by Received 21 November 2017 molecular dynamics simulation. Results show that for lyophilic surface, with the increase of nanoparticle In ﬁnal form 1 February 2018 energy coefﬁcient, contact angle of SNFND increases and total evaporation decreases. Effects of nanopar- Available online 2 February 2018 ticle volume percentage on the wetting and evaporation behaviors of SNFND are related to surface wet- tability. For lyophilic surface, the greater the nanoparticle volume percentage, the greater the contact Keywords: angle, and the slower the evaporation. For neutral and lyophobic surfaces, nanoparticle volume percent- Molecular dynamics simulation age has obviously strengthening effect on evaporation, and the strengthening effect
Chemical Physics Letters – Elsevier
Published: Mar 1, 2018
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