scholarly journals Molecular dynamics simulation of droplet nucleation and growth on a rough surface: revealing the microscopic mechanism of the flooding mode

RSC Advances ◽  
2018 ◽  
Vol 8 (43) ◽  
pp. 24517-24524 ◽  
Author(s):  
Dong Niu ◽  
GuiHua Tang
Keyword(s):  
Heat Transfer ◽  
Molecular Dynamics ◽  
Molecular Dynamics Simulation ◽  
Rough Surface ◽  
Significant Influence ◽  
Nucleation And Growth ◽  
Dynamics Simulation ◽  
Dropwise Condensation ◽  
Microscopic Mechanism ◽  
Droplet Nucleation

Droplet nucleation and growth have a significant influence on dropwise condensation heat transfer.

Molecular dynamics simulation of microscopic friction mechanisms of amorphous polyethylene

Soft Matter ◽  
2019 ◽  
Vol 15 (43) ◽  
pp. 8827-8839 ◽  
Author(s):  
Shengpeng Zhan ◽  
Haiping Xu ◽  
Haitao Duan ◽  
Lin Pan ◽  
Dan Jia ◽  
...  
Keyword(s):  
Molecular Dynamics ◽  
Molecular Dynamics Simulation ◽  
Experimental Method ◽  
Molecular Simulation ◽  
Friction And Wear ◽  
Friction Mechanisms ◽  
Dynamics Simulation ◽  
Simulation Technology ◽  
Microscopic Mechanism

Determining the nature of microscopic mechanism of friction and wear by experimental method is a challenge. Molecular simulation technology is an effective method for exploring microscopic friction mechanisms of polymers.

Molecular Dynamics Simulation of Heat Transfer from a Gold Nanoparticle to a Water Pool

2014 ◽  
Vol 118 (2) ◽  
pp. 1285-1293 ◽  
Author(s):  
Xiaoling Chen ◽  
Antonio Munjiza ◽  
Kai Zhang ◽  
Dongsheng Wen
Keyword(s):  
Heat Transfer ◽  
Molecular Dynamics ◽  
Molecular Dynamics Simulation ◽  
Gold Nanoparticle ◽  
Dynamics Simulation ◽  
Water Pool

Molecular Dynamics Simulation on the Effect of Micro-Motions of Nanoparticles in Heat Transfer Enhancement of Nanofluids

2016 ◽  
Author(s):  
Chengzhi Hu ◽  
Minli Bai ◽  
Jizu Lv ◽  
Yuyan Wang
Keyword(s):  
Heat Transfer ◽  
Molecular Dynamics ◽  
Molecular Dynamics Simulation ◽  
Shear Flow ◽  
Flow Field ◽  
Heat Transfer Enhancement ◽  
Base Fluid ◽  
Dynamics Simulation ◽  
Wall Region ◽  
Transfer Enhancement

The flow and heat transfer characteristics of nanofluids in the near-wall region were studied by non-equilibrium molecular dynamics simulation. The nanofluid model consisted of one spherical copper nanoparticle and argon atoms as base liquid. The effective thermal conductivity (ETC) of nanofluids and base fluid in shear flow fields were obtained. The ETC was increased with the increasing of shear velocity for both base fluid and nanofluids. The heat transfer enhancement of nanofluids in the shear flow field (v≠0) is better than that in the zero-shear flow field (v=0). By analyzing the flow characteristics we proved that the micro-motions of nanoparticles were another mechanism responsible for the heat transfer enhancement of nanofluids in the flow field. Based on the model built in the paper, we found that the thermal properties accounted for 52%–65% heat transfer enhancement and the contribution of micro-motions is 35%–48%.

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