A flow wall collision model between two parallel plane walls was established for argon fluid through a microchannel under the condition of action of periodical external force. Based on this model, two kinds of wall (hydrophilic and hydrophobic) were applied on the flow simulations from non-equilibrium molecular dynamics (NEMD). There are 864 fluid particles and wall particles separately in the simulated system. The non-dimension height of microchannel is 9.667. The velocity profile and temperature profile of argon fluid in hydrophilic microchannel predicted by molecular dynamics simulation are in good agreement with the analytical solution based on the Navier–Stokes and energy equations. The velocity profile and the temperature profile experience a large jump in the layers close to the hydrophobic wall.
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ASME 2008 First International Conference on Micro/Nanoscale Heat Transfer
June 6–9, 2008
Tainan, Taiwan
Conference Sponsors:
- Nanotechnology Institute
ISBN:
0-7918-4292-4
PROCEEDINGS PAPER
Study of Molecular Dynamic Simulation of Poiseuille Flow in a Microchannel
Chao Liu
,
Chao Liu
Chongqing University, Chongqing, China
Search for other works by this author on:
Binwu Liu
,
Binwu Liu
Chongqing University, Chongqing, China
Search for other works by this author on:
Hualing Zhang
Hualing Zhang
Chongqing University, Chongqing, China
Search for other works by this author on:
Chao Liu
Chongqing University, Chongqing, China
Binwu Liu
Chongqing University, Chongqing, China
Hualing Zhang
Chongqing University, Chongqing, China
Paper No:
MNHT2008-52030, pp. 649-654; 6 pages
Published Online:
June 22, 2009
Citation
Liu, C, Liu, B, & Zhang, H. "Study of Molecular Dynamic Simulation of Poiseuille Flow in a Microchannel." Proceedings of the ASME 2008 First International Conference on Micro/Nanoscale Heat Transfer. ASME 2008 First International Conference on Micro/Nanoscale Heat Transfer, Parts A and B. Tainan, Taiwan. June 6–9, 2008. pp. 649-654. ASME. https://doi.org/10.1115/MNHT2008-52030
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