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Pipeline VIV: Analytical Solution, Experiments and Parameter Identification

[+] Author Affiliations
Sergio B. Cunha

Petrobras - Transpetro, Rio de Janeiro, RJ, Brazil

Cyntia G. C. Matt, Ricardo Franciss

Petrobras - Research Center, Rio de Janeiro, RJ, Brazil

Celso K. Morooka, Raphael I. Tsukada

University of Campinas, Campinas, SP, Brazil

Paper No. OMAE2009-79756, pp. 683-693; 11 pages
doi:10.1115/OMAE2009-79756
From:
  • ASME 2009 28th International Conference on Ocean, Offshore and Arctic Engineering
  • Volume 5: Polar and Arctic Sciences and Technology; CFD and VIV
  • Honolulu, Hawaii, USA, May 31–June 5, 2009
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 978-0-7918-4345-1 | eISBN: 978-0-7918-3844-0
  • Copyright © 2009 by ASME

abstract

The study presents a closed-form solution for the vibration of a simply-supported beam due to vortex shedding, assuming linear elasticity and considering fluid damping. The in-line and cross-flow fluid forces are coupled to the beam equation as harmonic nonhomogeneous terms. Experimental results of 2 DOF VIV of a flexible small scale pipe in a uniform stream are presented for perpendicular an oblique (at 60 degrees of the translation direction) pipe. The range of relative velocity is from 1 to 10. The performance of two fluid damping models (Venugopal, 1996; Blevins – modified, 1990) is evaluated by comparing their predictions to the measurements of the in-line and cross-flow oscillations. Finally, ranges for in-line and cross-flow force coefficients are proposed and compared to the literature.

Copyright © 2009 by ASME

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