Ghorbanpour Arani, A., Haghparast, E., Amir, S. (2012). Nonlinear Vibration of Smart Micro-Tube Conveying Fluid Under Electro-Thermal Fields. Journal of Solid Mechanics, 4(1), 1-14.

A Ghorbanpour Arani; E Haghparast; S Amir. "Nonlinear Vibration of Smart Micro-Tube Conveying Fluid Under Electro-Thermal Fields". Journal of Solid Mechanics, 4, 1, 2012, 1-14.

Ghorbanpour Arani, A., Haghparast, E., Amir, S. (2012). 'Nonlinear Vibration of Smart Micro-Tube Conveying Fluid Under Electro-Thermal Fields', Journal of Solid Mechanics, 4(1), pp. 1-14.

Ghorbanpour Arani, A., Haghparast, E., Amir, S. Nonlinear Vibration of Smart Micro-Tube Conveying Fluid Under Electro-Thermal Fields. Journal of Solid Mechanics, 2012; 4(1): 1-14.

Nonlinear Vibration of Smart Micro-Tube Conveying Fluid Under Electro-Thermal Fields

^{1}Faculty of Mechanical Engineering, University of Kashan---- Institute of Nanoscience & Nanotechnology, University of Kashan

^{2}Faculty of Mechanical Engineering, University of Kashan

Abstract

In this study, electro-thermo-mechanical nonlinear vibration and instability of embedded piezoelectric micro-tube is carried out based on nonlocal theory and nonlinear Donnell's shell model. The smart micro-tube made of Poly-vinylidene fluoride (PVDF) is conveying an isentropic, incompressible fluid. The detailed parametric study is conducted, focusing on the remarkable effects of mean flow velocity, fluid viscosity, elastic medium modulus, temperature change, imposed electric potential, small scale and aspect ratio on the vibration behavior of the micro-tube. It has been found that stability of the system is strongly dependent on the imposed electric potential. Results of this investigation could be applied for optimum design of sensors and actuators in the sensitive applications.

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