IMECH-IR  > 高温气体动力学国家重点实验室
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)
Source PublicationINTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
2018-03-01
Volume118Pages:201-207
ISSN0017-9310
AbstractInterface 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.
KeywordDissolutive wetting Droplet Contact line Moving interface
DOI10.1016/j.ijheatmasstransfer.2017.10.109
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Indexed BySCI ; EI
Language英语
WOS IDWOS:000423647700018
WOS KeywordBI-SN SYSTEM ; DIFFUSION-COEFFICIENTS ; MOLECULAR-DYNAMICS ; SIMULATION ; SURFACES ; DROPLET ; CORROSION ; DRUGS ; GLASS ; FILM
WOS Research AreaThermodynamics ; Engineering, Mechanical ; Mechanics
WOS SubjectThermodynamics ; Engineering ; Mechanics
Funding OrganizationNational 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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Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/78519
Collection高温气体动力学国家重点实验室
Affiliation1.[Yuan, Quanzi
2.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China
3.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
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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