Pressure dependence of the instability of multiwalled carbon nanotubes conveying fluids

He, X. Q., Wang, C. M., Yan, Y., Zhang, L. X. and Nie, G. H. (2008) Pressure dependence of the instability of multiwalled carbon nanotubes conveying fluids. Archive of Applied Mechanics, 78 8: 637-648. doi:10.1007/s00419-007-0184-3


Author He, X. Q.
Wang, C. M.
Yan, Y.
Zhang, L. X.
Nie, G. H.
Title Pressure dependence of the instability of multiwalled carbon nanotubes conveying fluids
Journal name Archive of Applied Mechanics   Check publisher's open access policy
ISSN 0939-1533
1432-0681
Publication date 2008-08-01
Year available 2007
Sub-type Article (original research)
DOI 10.1007/s00419-007-0184-3
Open Access Status Not yet assessed
Volume 78
Issue 8
Start page 637
End page 648
Total pages 12
Place of publication Heidelberg, Germany
Publisher Springer
Language eng
Abstract Based on an elastic beam model, the instability of multiwalled carbon nanotubes (MWCNTs) induced by the moving fluid inside is investigated. At critical flow velocities, the MWCNTs become unstable and undergo pitchfork bifurcation and subsequently Hopf bifurcation. These critical velocities are found to increase very quickly with respect to decreasing inner radius and are inversely proportional to the length-to-outer-radius ratio. The effect of the van der Waals (vdW) interaction between tubes is investigated and it is found that the vdW interaction can enhance the stability of MWCNTs in general, but the vdW interaction reduces the stability capacity of MWCNTs with very small inner radius.
Keyword Critical flow velocities
Elastic beam model
Instability
Multiwalled carbon nanotubes
vdW interaction
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Civil Engineering Publications
 
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