Molecular Dynamics Simulation of Behaviours of Non-Polar Droplets Merging and Interactions with Hydrophobic Surfaces-中国期刊网

摘要 Thispaperpresentsamoleculardynamicssimulationofthebehavioursofnon-polardropletsmergingandalsothefluidmoleculesinteractingwithahydrophobicsurface.Suchbehavioursandtransportphenomenaarepopularingeneralmicro-channelflowboilingandtwo-phaseflow.ThedropletsareassumedtobecomposedofLennards-Jonestypemolecules.Periodicboundaryconditionsareappliedinthreecoordinatedirectionsofa3-Dsystem,wherethereexisttwoliquiddropletsandtheirvapour.Thetwodropletsmergewhentheycomewithintheprescribedsmalldistance.Themergingoftwodropletsapartfromeachotheratdifferentinitialdistancesistestedandthepossiblelarger(orcritical)non-dimensionaldistance,inwhichdropletsmergingcanoccur,isdiscussed.TheevolutionofthemergingprocessissimulatednumericallybyemployingtheMolecularDynamics(MD)method.Forinteractionswithhydrophobicsolidwall,asystemwithfluidconfinedbetweentwowallsisusedtostudythewettingphenomenaoffluidandsolidwall.Theresultsarecomparedwiththoseofhydrophilicwalltoshowtheuniquecharacteristicsofhydrophobicinteractionsbymicroscopicmethods.

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Molecular Dynamics Simulation of Behaviours of Non-Polar Droplets Merging and Interactions with Hydrophobic Surfaces

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Molecular Dynamics Simulation of Behaviours of Non-Polar Droplets Merging and Interactions with Hydrophobic Surfaces

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