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Evolution of the interfacial shape in dissolutive wetting: Coupling of wetting and dissolution
Yang JH; Yuan QZ(袁泉子); Zhao YP(赵亚溥)
2018-03-01
发表期刊INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
卷号118页码:201-207
ISSN0017-9310
摘要Interface evolution of a droplet on a dissolvable substrate is controlled by coupling of wetting and dissolution, which makes dissolutive wetting more complicated than wetting on inert substrate. In our experiments, xylene and polystyrene are used as solvent and solute, respectively. We record the continuous evolution of interfacial shape and measure change of geometrical parameters. Then, a model is built based on the Noyes-Whitney equation. The evolution mechanisms of interface and solute concentration under the combined actions of wetting and dissolution are analyzed. There are two stages in dissolutive wetting. The two stages are identified by the speed ratio of wetting and dissolution, which reflects the coupling between wetting and dissolution. The model can recover the evolution of the interfacial shape observed in the experiment. Our work may help to predict change of interfacial shape in dissolutive wetting, and the results provide a better understanding of dissolutive wetting which is a process that occurs in many important application areas. (C) 2017 Elsevier Ltd. All rights reserved.
关键词Dissolutive wetting Droplet Contact line Moving interface
DOI10.1016/j.ijheatmasstransfer.2017.10.109
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收录类别SCI ; EI
语种英语
WOS记录号WOS:000423647700018
关键词[WOS]BI-SN SYSTEM ; DIFFUSION-COEFFICIENTS ; MOLECULAR-DYNAMICS ; SIMULATION ; SURFACES ; DROPLET ; CORROSION ; DRUGS ; GLASS ; FILM
WOS研究方向Thermodynamics ; Engineering, Mechanical ; Mechanics
WOS类目Thermodynamics ; Engineering ; Mechanics
项目资助者National Natural Science Foundation of China (NSFC) [11722223, 11672300, 11611130166, U1562105] ; Royal Society-Newton Mobility Grant [1E150674] ; CAS Key Research Program of Frontier Sciences [QYZDJ-SSW-JSC019] ; Strategic Priority Research Program of the Chinese Academy of Sciences [XDB22040401] ; Young Elite Scientists Sponsorship Program by CAST [2015QNRC001]
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力学所作者排名1
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文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/77913
专题高温气体动力学国家重点实验室
作者单位1.[Yuan, Quanzi
2.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China
3.[Yuan, Quanzi
4.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China
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Yang JH,Yuan QZ,Zhao YP. Evolution of the interfacial shape in dissolutive wetting: Coupling of wetting and dissolution[J]. INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER,2018,118:201-207.
APA Yang JH,袁泉子,&赵亚溥.(2018).Evolution of the interfacial shape in dissolutive wetting: Coupling of wetting and dissolution.INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER,118,201-207.
MLA Yang JH,et al."Evolution of the interfacial shape in dissolutive wetting: Coupling of wetting and dissolution".INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER 118(2018):201-207.
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