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Bow Wave Dynamics

Waniewski, T. A. and Brennen, C. E. and Raichlen, F. (2002) Bow Wave Dynamics. Journal of Ship Research, 46 (1). pp. 1-15. ISSN 0022-4502.

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Experimental studies of air entrainment by breaking waves are essential for advancing the understanding of these flows and creating valid models. The present study used experimental simulations of a ship bow wave to examine its dynamics and air entrainment processes. The simulated waves were created by a deflecting plate mounted at an angle in a supercritical free-surface flow in a flume. Measurements of the bow wave geometry at two scales and also for a bow wave created by a wedge in a towing tank are presented. Contact line and bow wave profile measurements from the different experiments are compared and demonstrate the similarity of the flume simulations to the towing tank experiments. The bow wave profile data from the towing tank experiments were used to investigate the scaling of the wave with the flow and the dependence on geometric parameters. In addition, surface disturbances observed on the plunging wave are documented herein because of the role they play in air entrainment. The air entrainment itself is explored in Waniewski et al (2001).

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Additional Information:Manuscript received at SNAME headquarters August 5, 1999; revised manuscript received August 14, 2001.
Issue or Number:1
Record Number:CaltechAUTHORS:WANjsr02
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:11
Deposited By: Christopher Brennen
Deposited On:13 Aug 2004
Last Modified:02 Oct 2019 22:15

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