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Free vibration analysis of oil pipes embedded in viscous fluid

Credit to Download: 1 | Page Numbers 8 | Abstract Views: 1027
Year: 2012
COI code: ISAV02_074
Paper Language: English

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Authors Free vibration analysis of oil pipes embedded in viscous fluid

Hasan Rahimipour - Pars Oil and Gas Co, Iran


The free vibration of oil pipes embedded in viscous fluid is investigated based on Euler-Bernoulli beam model. The governing equations are developed by Hamilton’s principle, including the effects ofexternal viscous fluid, temperature change and length. The effect of the external viscous fluid is simulatedas an external force. Applying DQ approach, the resulting equations are transformed into a set of eigenvalue equations. The vibration characteristics of the embedded oil pipes are described and the effectsof the design parameters and mode numbers on the frequencies are also examined. Most resultspresented in the present investigation have been absent from the literature for the vibration of the embedded oil pipes. It is shown that the effect of aspect ratio on frequency is significant for the oil pipes with higher aspect ratio. Finally, it is hoped that the results proposed in this investigation would be helpful for the design of the oil pipes.


Free vibration; Oil pipes; Viscous fluid; Euler-Bernoulli beam

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COI code: ISAV02_074

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Rahimipour, Hasan, 2012, Free vibration analysis of oil pipes embedded in viscous fluid, 2nd International Conference on Acoustics and Vibration, تهران, دانشگاه صنعتي شريف, the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
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