Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/163623
Title: Thermally induced continuous water flow in long nanotube channels
Authors: Leng, Jiantao
Ying, Tianquan
Guo, Zhengrong
Zhang, Yingyan
Chang, Tienchong
Guo, Wanlin
Gao, Huajian
Keywords: Engineering::Mechanical engineering
Issue Date: 2022
Source: Leng, J., Ying, T., Guo, Z., Zhang, Y., Chang, T., Guo, W. & Gao, H. (2022). Thermally induced continuous water flow in long nanotube channels. Carbon, 191, 175-182. https://dx.doi.org/10.1016/j.carbon.2022.01.049
Project: 002479-00001 
Journal: Carbon
Abstract: Despite its importance for nanofluidic systems, achieving continuous water flow in long nanochannels remains a major challenge. Here, we propose a general principle to overcome this challenge by introducing a method that involves the building of a series of cascadable driving units, each unit carrying a net thermal gradient force, to maintain continuous water flow in an arbitrarily long nanochannel. Using molecular dynamics simulations and analytical modeling, we show that, within a single driving unit, the net thermal gradient force can be achieved through a multitude of strategies, including geometrical (e.g., a localized confinement), mechanical (e.g., a localized pinch), electrical (e.g., a point electric charge) and chemical (e.g., a point functionalization). The proposed method has fundamental significance for nanofluidic systems and potential applications in nanoscale mass transport and energy conversion devices.
URI: https://hdl.handle.net/10356/163623
ISSN: 0008-6223
DOI: 10.1016/j.carbon.2022.01.049
Rights: © 2022 Elsevier Ltd. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:MAE Journal Articles

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