A note on flexural vibrations of a pipeline containing flowing fluid
โ Scribed by P.A.A. Laura; G.M. Ficcadenti de Iglesias; P.L. Verniere de Irassar
- Publisher
- Elsevier Science
- Year
- 1987
- Tongue
- English
- Weight
- 211 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0003-682X
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โฆ Synopsis
This paper deals with the determination of natural frequencies of transverse vibration of a simply supported pipeline containing flowing fluid. No claim of originality is made but the results may be of some interest since, apparently, there is an algebraic error in the determination of the series solution of the governing differential system that affects the values of the natural frequencies already available in the technical literature. The effect is considerable for ratios of the parameter fluid mass/total mass of the system approaching unity.
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The non-linear equations of motion of a #exible pipe conveying unsteadily #owing #uid are derived from the continuity and momentum equations of unsteady #ow. These partial di!erential equations are fully coupled through equilibrium of contact forces, the normal compatibility of velocity at the #uid}
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