Paper Title:
Dynamical Stability Behaviors of Fluid-Conveyed Double-Walled Carbon Nanotubes
  Abstract

Based on an elastic beam model, potential flow theory and N-mode Galerkin discretization technique, the dynamical stability behaviors of fluid-conveyed double-walled carbon nanotubes (DWCNTs) considering geometry nonlinearity relating to the time as variation of the flow velocity are studied. The results show that the bifurcations happen in turn of pitchfork and Hopf types as the flow velocity increases. The vdW forces do not change the bifurcation types but make the critical velocities increase sharply. Furthermore, the vdW forces play a critical role in keeping the synchronization of the time histories of the amplitudes or the velocities of different layers of the CNTs-fluid system.

  Info
Periodical
Advanced Materials Research (Volumes 268-270)
Edited by
Feng Xiong
Pages
138-142
DOI
10.4028/www.scientific.net/AMR.268-270.138
Citation
Y. Yan, W. Q. Wang, "Dynamical Stability Behaviors of Fluid-Conveyed Double-Walled Carbon Nanotubes", Advanced Materials Research, Vols. 268-270, pp. 138-142, 2011
Online since
July 2011
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