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| Content Provider | IET Digital Library |
|---|---|
| Author | Hasan, Mohammad Nasim Shavik, Sheikh Mohammad Mukut, Khaled Mosharraf Rabbi, Kazi Fazle Faisal, A H M |
| Abstract | In the present study, non-equilibrium molecular dynamics (MD) simulations have been performed to reveal the effect of solid–liquid interfacial wettability on the evaporation characteristics of thin liquid argon film placed over the flat solid surface. The atomistic model considered herein comprises of a three-phase simulation domain having a solid wall over which liquid argon and argon vapour co-exist. Initially, the system is thermally equilibrated at 90 K for a while after which rapid increase in the solid wall temperature induces a phase change process, i.e. evaporation. Both hydrophilic and hydrophobic wetting conditions of the solid surface have been considered at an evaporation temperature of 130 K for three different surface materials such as platinum, silver, and aluminium. The simulation results show that both the surface wettability and surface material have a significant role in phase transition phenomena of thin liquid film, particularly the surface wettability for the present system configuration. The thermal transport phenomena between the wall and liquid thin film have been studied thoroughly and discussed in terms of wall heat flux, evaporative mass flux, upper bound of maximum possible heat flux etc. The results obtained in the present MD simulation study are compared with the macroscopic predictions based on classical thermodynamics. Interestingly, a very good agreement has been found indicating that macroscopic thermodynamics approach can predict the characteristic of phase change phenomena of nanoscale thin liquid film. |
| Starting Page | 351 |
| Ending Page | 356 |
| Page Count | 6 |
| Volume Number | 13 |
| e-ISSN | 17500443 |
| Issue Number | Issue 3, Mar (2018) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/mnl/13/3 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/mnl.2017.0198 |
| Journal | Micro & Nano Letters |
| Publisher Date | 2018-03-01 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Aluminium Argon Atomistic Modelling Computer Simulation of Static And Dynamic Liquid Behaviour Epitaxy Evaporation Characteristic Evaporative Mass Flux Flat Solid Surface Heat Flux Hydrophilic Wetting Hydrophobic Wetting Hydrophobicity Macroscopic Thermodynamics Molecular Dynamics Method Nonequilibrium Molecular Dynamics Simulations Phase Transition Platinum Silver Compound Solid–liquid Interfacial Wettability Structure Surface Wettability Temperature 90 K Thermal Equilibration Thermal Transport Property Thermodynamic Property Thermodynamic Property And Entropy Thin Film Thin Film Argon Evaporation Thin Film Growth Three-phase Simulation Vacuum Deposition Wetting |
| Content Type | Text |
| Resource Type | Article |
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