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Research Paper | Mechanical Engineering | Iraq | Volume 4 Issue 12, December 2015
Dynamic Analysis of Pipes Conveying Fluid Using Analytical, Numerical and Experimental Verification with the Aid of Smart Materials
Dr. Muhsin J. Jweeg | Thaier J. Ntayeesh
Abstract: Pipes conveying fluid have significant applications in a wide range of industrial and engineering applications. Recently, this topic has been crystallized into a dynamical model for analyzing the fluid-structure-interaction (FSI) which has vast applications in aerospace, aerodynamics, ship motion, medical engineering. . etc. In order to provide an alternative analysis of the dynamical behavior and stability of pipes conveying fluid, analytical solution was attempted. The attempted solutions are based on Galerkins methods to finding the natural frequency at different boundary conditions and velocities. Experimental work was carried out by built a rig which was mainly composed of a different boundary conditions of pipes conveying fluid and provided with the necessary measurement equipments to fulfill the required investigations. Results presented in this study compared with the results performed by using analytical solution for equation of motion. Also, compared with the results performed by using ANSYS CFX program, this analysis based on the numerical solution, using Finite element method to formulate both the structure and fluid flow equations. The experimental results show satisfactory agreement with the theory many aspects of the dynamical behaviour of pipe conveying fluid were observed experimentally such as the decrease in natural frequencies with increasing of the fluid velocity. Very little effect was observed for the velocity ranges used.
Keywords: Pipe conveying fluid, Natural frequency, Smart materials
Edition: Volume 4 Issue 12, December 2015,
Pages: 1594 - 1605
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