VIV model test results are presented for a bundle of three parallel pipes all lying in the same plane, similar to a riser with large kill and choke lines. The rigid model was attached to a spring-mounted frame in the MIT towing tank. The horizontal model was towed in the tank and allowed to respond in free vibration to vortex-induced vibration in the cross-flow direction. The angle of attack of the model was varied from 0 to 90 degrees. The model was tested with and without helical strakes. Without strakes the model exhibited significant vibration at 0 and 90 degrees angle of attack. Strakes suppressed VIV at all angles of attack.
- Ocean, Offshore and Arctic Engineering Division
An Experimental Evaluation of Vortex-Induced Vibration of a Riser Bundle With Gaps
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Vandiver, JK, Cheng, Y, Jaiswal, V, Sheshadri, A, & Yu, A. "An Experimental Evaluation of Vortex-Induced Vibration of a Riser Bundle With Gaps." Proceedings of the 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. pp. 695-705. ASME. https://doi.org/10.1115/OMAE2009-79757
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