Investigation of steady flow through a normal triangular tube bundle is carried out numerically using a 2D Reynolds Averaged Navier-Stokes solver. Pitch to diameter ratios of 1.25 and 1.32 are simulated with a single tube displaced and the resulting force coefficients measured. Comparison of pressure coefficient with experimental data indicates simulations provide a reliable indication of Reynolds number dependence. These fluid force coefficients are then used as input into the quasi-unsteady model in order to predict the critical velocity of damping controlled fluidelastic instability for a single degree of freedom tube within an array. The predicted critical velocities are in the range of empirical data from the literature. The predicted critical velocities for the pitch ratio of 1.25 are within 30% of the experimental values previously reported.
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ASME 2009 Pressure Vessels and Piping Conference
July 26–30, 2009
Prague, Czech Republic
Conference Sponsors:
- Pressure Vessels and Piping
ISBN:
978-0-7918-4367-3
PROCEEDINGS PAPER
Numerical Analysis of Fluidelastic Instability in a Normal Triangular Tube Array Available to Purchase
Stephen Gillen,
Stephen Gillen
Trinity College Dublin, Dublin, Ireland
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Craig Meskell
Craig Meskell
Trinity College Dublin, Dublin, Ireland
Search for other works by this author on:
Stephen Gillen
Trinity College Dublin, Dublin, Ireland
Craig Meskell
Trinity College Dublin, Dublin, Ireland
Paper No:
PVP2009-77806, pp. 447-455; 9 pages
Published Online:
July 9, 2010
Citation
Gillen, S, & Meskell, C. "Numerical Analysis of Fluidelastic Instability in a Normal Triangular Tube Array." Proceedings of the ASME 2009 Pressure Vessels and Piping Conference. Volume 4: Fluid-Structure Interaction. Prague, Czech Republic. July 26–30, 2009. pp. 447-455. ASME. https://doi.org/10.1115/PVP2009-77806
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