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Low dimensional heat and mass transport in carbon nanotubes
University of Tokyo, Tokyo, Japan.
KTH.
KTH.
Vise andre og tillknytning
2010 (engelsk)Inngår i: Proceedings of the ASME Micro/Nanoscale Heat and Mass Transfer International Conference 2009, MNHMT2009, 2010, s. 337-346Konferansepaper, Publicerat paper (Fagfellevurdert)
Resurstyp
Text
Abstract [en]

This report covers various issues related to heat and mass transport in carbon nanotubes. Heat and mass transport under quasi-one-dimensional confinement has been investigated using molecular dynamics simulations. It is shown that the quasi-ballistic heat conduction manifests in the length and diameter dependences of carbon nanotube thermal conductance. Such quasi-ballistic nature of carbon nanotube heat conduction also influences the thermal boundary conductance between carbon nanotubes and the surrounding materials. The quasi-one-dimensional structure also influences the mass transport of water through carbon nanotubes. The confinement gives rise to strongly directional dynamic properties of water. Here, it is demonstrated that the confined water can be efficiently transported by using the temperature gradient. Furthermore, the simulations reveal the diameter-dependent anisotropic dielectric properties, which could be used to identify intrusion of water into carbon nanotubes.

sted, utgiver, år, opplag, sider
2010. s. 337-346
Emneord [en]
Anisotropic dielectrics, Confined water, Dynamic property, Low dimensional, Mass transport, Molecular dynamics simulations, Quasi-ballistic, Quasi-one-dimensional, Temperature gradient, Thermal boundary conductance, Thermal conductance
HSV kategori
Identifikatorer
URN: urn:nbn:se:sh:diva-30168DOI: 10.1115/MNHMT2009-18541ISI: 000290920600048Scopus ID: 2-s2.0-77954321830ISBN: 978-079184389-5 (tryckt)OAI: oai:DiVA.org:sh-30168DiVA, id: diva2:933867
Konferanse
ASME 2009 Micro/Nanoscale Heat and Mass Transfer International Conference 2009, MNHMT2009; Shanghai; China; 18 December 2009 through 21 December 2009
Tilgjengelig fra: 2011-11-27 Laget: 2016-06-01 Sist oppdatert: 2016-06-07bibliografisk kontrollert

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Amberg, Gustav

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