Please use this identifier to cite or link to this item: https://doi.org/10.1007/s00419-007-0184-3
Title: Pressure dependence of the instability of multiwalled carbon nanotubes conveying fluids
Authors: He, X.Q.
Wang, C.M. 
Yan, Y.
Zhang, L.X.
Nie, G.H.
Keywords: Critical flow velocities
Elastic beam model
Instability
Multiwalled carbon nanotubes
vdW interaction
Issue Date: Aug-2008
Source: He, X.Q., Wang, C.M., Yan, Y., Zhang, L.X., Nie, G.H. (2008-08). Pressure dependence of the instability of multiwalled carbon nanotubes conveying fluids. Archive of Applied Mechanics 78 (8) : 637-648. ScholarBank@NUS Repository. https://doi.org/10.1007/s00419-007-0184-3
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. © 2007 Springer-Verlag.
Source Title: Archive of Applied Mechanics
URI: http://scholarbank.nus.edu.sg/handle/10635/66023
ISSN: 09391533
DOI: 10.1007/s00419-007-0184-3
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