Friction law for water flowing in carbon nanotubes

Ming Ma, Luming Shen, John Sheridan, Zhe Liu, Chao Chen, Quanshui Zheng

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearchpeer-review

Abstract

Previous molecular dynamics (MD) studies have suggested relationships that fail to predict the measurements of water flow through membranes of carbon nanotubes (CNTs). Through MD simulations of water transport over a flow rate range much wider than ever reported (0.002-1,400m/s) and use of flexible boundary condition, we discover a universal phenomenological logarithmic relationship between the CNT-water friction stress and flow rate, which is independent on tube chiralities, size and wetting properties. This logarithmic relationship is quantitatively in good agreement with the experimental observations. It thus provides a new basis for understanding the mechanisms of liquid slip at atomically smooth surfaces.

Original languageEnglish
Title of host publicationICONN 2010 - Proceedings of the 2010 International Conference on Nanoscience and Nanotechnology
Pages392-395
Number of pages4
DOIs
Publication statusPublished - 2010
Event3rd International Conference on Nanoscience and Nanotechnology - Sydney, Australia
Duration: 22 Feb 201026 Feb 2010
Conference number: 3

Conference

Conference3rd International Conference on Nanoscience and Nanotechnology
Abbreviated titleICONN 2010
CountryAustralia
CitySydney
Period22/02/1026/02/10

Keywords

  • Carbon nanotubes
  • Molecular dynamics simulation
  • Water transportation

Cite this

Ma, M., Shen, L., Sheridan, J., Liu, Z., Chen, C., & Zheng, Q. (2010). Friction law for water flowing in carbon nanotubes. In ICONN 2010 - Proceedings of the 2010 International Conference on Nanoscience and Nanotechnology (pp. 392-395). [6045251] https://doi.org/10.1109/ICONN.2010.6045251
Ma, Ming ; Shen, Luming ; Sheridan, John ; Liu, Zhe ; Chen, Chao ; Zheng, Quanshui. / Friction law for water flowing in carbon nanotubes. ICONN 2010 - Proceedings of the 2010 International Conference on Nanoscience and Nanotechnology. 2010. pp. 392-395
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Ma, M, Shen, L, Sheridan, J, Liu, Z, Chen, C & Zheng, Q 2010, Friction law for water flowing in carbon nanotubes. in ICONN 2010 - Proceedings of the 2010 International Conference on Nanoscience and Nanotechnology., 6045251, pp. 392-395, 3rd International Conference on Nanoscience and Nanotechnology, Sydney, Australia, 22/02/10. https://doi.org/10.1109/ICONN.2010.6045251

Friction law for water flowing in carbon nanotubes. / Ma, Ming; Shen, Luming; Sheridan, John; Liu, Zhe; Chen, Chao; Zheng, Quanshui.

ICONN 2010 - Proceedings of the 2010 International Conference on Nanoscience and Nanotechnology. 2010. p. 392-395 6045251.

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearchpeer-review

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AB - Previous molecular dynamics (MD) studies have suggested relationships that fail to predict the measurements of water flow through membranes of carbon nanotubes (CNTs). Through MD simulations of water transport over a flow rate range much wider than ever reported (0.002-1,400m/s) and use of flexible boundary condition, we discover a universal phenomenological logarithmic relationship between the CNT-water friction stress and flow rate, which is independent on tube chiralities, size and wetting properties. This logarithmic relationship is quantitatively in good agreement with the experimental observations. It thus provides a new basis for understanding the mechanisms of liquid slip at atomically smooth surfaces.

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Ma M, Shen L, Sheridan J, Liu Z, Chen C, Zheng Q. Friction law for water flowing in carbon nanotubes. In ICONN 2010 - Proceedings of the 2010 International Conference on Nanoscience and Nanotechnology. 2010. p. 392-395. 6045251 https://doi.org/10.1109/ICONN.2010.6045251