Vibration and instability of carbon nanotubes conveying fluid

Vibration and instability of carbon nanotubes conveying fluid

Carbon nanotubes may find significant application in nanotechnology as nanopipes conveying fluid. This paper studies the influence of internal moving fluid on free vibration and flow-induced structural instability of carbon nanotubes. Detailed results are demonstrated for the dependence of resonant...

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Veröffentlicht in:Composites science and technology 2005-07, Vol.65 (9), p.1326-1336
Hauptverfasser: Yoon, J., Ru, C.Q., Mioduchowski, A.
Format: Artikel
Sprache:eng
Schlagworte:
A. Nanostructures
B. Vibration
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Physics
Solid mechanics
Structural and continuum mechanics
Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...)
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container_end_page 1336
container_issue 9
container_start_page 1326
container_title Composites science and technology
container_volume 65
creator Yoon, J.
Ru, C.Q.
Mioduchowski, A.
description Carbon nanotubes may find significant application in nanotechnology as nanopipes conveying fluid. This paper studies the influence of internal moving fluid on free vibration and flow-induced structural instability of carbon nanotubes. Detailed results are demonstrated for the dependence of resonant frequencies on the flow velocity, and the critical flow velocity at which structural instability of carbon nanotubes emerges is calculated. The results indicate that internal moving fluid could substantially affect resonant frequencies especially for suspended longer carbon nanotubes of larger innermost radius at higher flow velocity, and the critical flow velocity for structural instability in some cases could fall within the range of practical significance. On the other hand, even a compliant surrounding elastic medium (such as polymer matrix) can significantly reduce the effect of internal moving fluid on resonant frequencies, and suppress or eliminate structural instability within the practical range of flow velocity.
doi_str_mv 10.1016/j.compscitech.2004.12.002
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This paper studies the influence of internal moving fluid on free vibration and flow-induced structural instability of carbon nanotubes. Detailed results are demonstrated for the dependence of resonant frequencies on the flow velocity, and the critical flow velocity at which structural instability of carbon nanotubes emerges is calculated. The results indicate that internal moving fluid could substantially affect resonant frequencies especially for suspended longer carbon nanotubes of larger innermost radius at higher flow velocity, and the critical flow velocity for structural instability in some cases could fall within the range of practical significance. 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subjects A. Nanostructures
B. Vibration
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Physics
Solid mechanics
Structural and continuum mechanics
Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...)
title Vibration and instability of carbon nanotubes conveying fluid
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