Comments on Cross‐Flow Principle and Morison's Equation
Publication: Journal of Waterway, Port, Coastal, and Ocean Engineering
Volume 111, Issue 6
Abstract
Some of the recent test results on steady and oscillatory flow past inclined circular cylinders are discussed. More specifically, the experimental error in results presented by Sarpkaya, et al, for oscillatory flow is described and the formula for the necessary correction factor is given. Contrary to earlier conclusions based on such erroneous results, the corrected results support the cross-flow principle very well, in general, in the case of the inertia coeeficient and at the larger Reynolds number and Keulegan-Carpenter number in the case of the drag coefficient.
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References
1.
Cotter, D. C., and Chakrabarti, S. K., “Wave Force Tests on Vertical and Inclined Cylinders,” Journal of Waterways, Port, Coastal, and Ocean Engineering, ASCE, Vol. 110, No. 1, Feb., 1984, pp. 1–14.
2.
Garrison, C. J., “Forces on Semi‐Submerged Structures,” Proceedings of the Ocean Structural Dynamics Symposium, Oregon State University, Corvallis, Oreg., 1982.
3.
Hoerner, S. F., “Fluid Dynamic Drag,” Hoerner Fluid Dynamics, 1964.
4.
Horton, D. J., Heidman, J. C., and Mallard, W. W., “Wind Tunnel Tests of Inclined Circular Cylinders,” Offshore Technology Conference, Paper No. OTC 4122, Vol. 4, 1981, pp. 67–76.
5.
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6.
Ramberg, S. E., “The Effects of Yaw and Finite Length upon the Vortex Wakes of Cylinders,” Journal of Fluid Mechanics, Vol. 128, 1983, pp. 81–107.
7.
Sarpkaya, T. S., Raines, T. S., and Trytten, D. O., “Wave Forces on Inclined Smooth and Rough Circular Cylinders,” Offshore Technology Conference, Paper No. OTC 4227, Vol. 1, 1982, pp. 731–736.
8.
Trytten, D. O., “Sinusoidal‐Oscillating Flow About Yawed Cylinders,” thesis presented to the Naval Postgraduate School, at Monterey, Calif., in 1982, in partial fulfillment of the requirements for the degree of Master of Science.
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Published In
Journal of Waterway, Port, Coastal, and Ocean Engineering
Volume 111 • Issue 6 • November 1985
Pages: 1075 - 1079
Copyright
Copyright © 1985 ASCE.
History
Published online: Nov 1, 1985
Published in print: Nov 1985
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