Pulsatile vibrations of viscoelastic microtubes conveying fluid

Ghayesh, Mergen H., Farokhi, Hamed and Farajpour, Ali (2019) Pulsatile vibrations of viscoelastic microtubes conveying fluid. Microsystem Technologies, 25 (9). pp. 3609-3623. ISSN 0946-7076

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Official URL: https://doi.org/10.1007/s00542-019-04381-8


In this paper, the pulsatile coupled vibrations of a viscoelastic microtube conveying pulsatile fluid is examined for the first time. The problem is grouped into the class of parametrically excited, internally damped, gyroscopic where both Coriolis and parametric forces are present in the presence of viscosity. The Kelvin–Voigt approach of the viscosity, the Euler–Bernoulli for the deformation, the modified couple stress theory for the small size, and Hamilton’s principle for deriving differential equations are used. Parametric frequency–response curves are obtained in the vicinity of the parametric resonance near the critical speed for both subcritical and supercritical regimes. The effect of the flow pulsation on the oscillations is investigated.

Item Type: Article
Subjects: F200 Materials Science
G400 Computer Science
H600 Electronic and Electrical Engineering
Department: Faculties > Engineering and Environment > Mechanical and Construction Engineering
Depositing User: Elena Carlaw
Date Deposited: 09 May 2019 09:59
Last Modified: 10 Oct 2019 16:04
URI: http://nrl.northumbria.ac.uk/id/eprint/39235

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