Wave Generation in Open Channels by Vortex Shedding from Channel Obstructions
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Volume 128, Issue 6
Abstract
Transverse surface waves were produced in a rectangular open channel in the region where the otherwise steady, uniform, flow passed through a cluster of vertical circular cylinders. The cylinders could represent either naturally occurring obstacles such as vegetation or man-made structures such as a group of piles driven into the bed of a river. The waves were produced from the periodic forces created by the vortex shedding from the cylinders. These forces generated and then amplified transverse waves in the channel. In some experiments the waves had amplitudes of 35% of the mean flow depth. These resonance-generated waves produce a seiching that can occur in hydraulic models as well as prototype systems. Both laboratory experiments and a theory-based analysis were used to determine the relationship between the amplitude of the vortex-generated wave, average velocity of the approach flow, viscosity of the fluid, width of the rectangular channel, depth of flow, cylinder diameter, and cylinder placement configuration.
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References
Blevins, R. D. (1977). Flow-induced vibrations, Van Nostrand Reinhold, New York.
Blevins, R. D., and Bressler, M. M.(1993). “Experiments on acoustic resonance in heat exchanger tube bundels.” J. Sound Vib., 163, 503–533.
Cumpsty, N. A., and Whitehead, D. S.(1971). “The excitation of acoustic resonances by vortex shedding.” J. Sound Vib., 18, 353–367.
Dean G. D., and Dalrymple R. A. (1984). Water wave mechanics for engineers and scientists, World Scientific, London.
Fitz-hugh, J. S. (1973). “Flow induced vibration in heat exchangers.” Rep. No. RS57, (AERE-P7238), Oxford Univ. Press, New York.
Koopman, G. H.(1967). “The vortex wakes of vibrating cylinders at low Reynolds numbers.” J. Fluid Mech., 28, 501–512.
Lighthill, M. J.(1952). “On sound generated aerodynamically, I: General Theory,” Proc. R. Soc. London, Ser. A, 211, 564–587.
Rouse, H. (1959). Advanced mechanics of fluids, Wiley, New York.
Stone, B. M. (1997). “Hydraulics of flow in vegetated channels.” MSc thesis, Clarkson Univ., Potsdam, N.Y.
Stone, B. M., and Shen, H. T. (1999). “Hydraulics of flow in vegetated channels.” Proc., Water Resources Engineering, ASCE, Seattle.
Tsujimoto, T. (1992). “Spectral analysis of velocity and water-surface fluctuations appearing in an open channel with vegetated and nonvegetated regions in a cross-section.” Proc., 6th IAHR Int. Symposium on Stochastic Hydraulics, Taipei, Taiwan, 361–368.
Tsujimoto, T., and Kitamura, T.(1992). “Transverse mixing associated with surface wave in open-channel flow with longitudinal zone of vegetation.” Proc. Hydraulic Engineering, JSCE, 36, 273–280.
Walsh, M. L.et al. (1990). “Acoustics and experimental methods: the influence of sound on flow and heat transfer.” Exp. Therm. Fluid Sci., 3, 138–152.
White, F. M., (1979). Fluid mechanics, McGraw-Hill, New York.
Yokoi, Y., and Kamemoto, K.(1994). “Vortex shedding from an oscillating circular-cylinderin a uniform-flow.” Exp. Therm. Fluid Sci., 8(2), 121–127.
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Information
Published In
Journal of Hydraulic Engineering
Volume 128 • Issue 6 • June 2002
Pages: 596 - 603
Copyright
Copyright © 2002 American Society of Civil Engineers.
History
Received: Jul 24, 2000
Accepted: Dec 7, 2001
Published online: May 15, 2002
Published in print: Jun 2002
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