Gregorio, S. O. (Sandy O.), Thomas, P. J. (Peter J.), Brend, M. A., Ellingsen, I. H. and Linden, P. F. (2008) Oceanographic coastal currents over bottom slopes. In: The 7th EUROMECH Fluid Mechanics Conference, University of Manchester, Manchester, U.K., Sep 14-18, 2008. Published in: EFMC7 Book of Abstracts p. 124.

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Abstract

Laboratory experiments simulating gravity-driven oceanographic coastal surface currents are described. Results from three complementing studies are discussed and compared to a new geostrophic model. The first study was conducted in a small-scale (1m diameter) water-filled rotating tank. The other two studies were carried out at
the large-scale Coriolis turntables at Grenoble (13m tank diameter) and Trondheim (5m tank diameter). The height, the width and the length of the currents are studied
as a function of the relevant independent experimental parameters. The small-scale experiments and the Grenoble study focused on currents flowing along a vertical coastline in an effectively infinitely deep ocean. The Trondheim study generalized these results by investigating how the dynamics are affected when the currents flow along inclined coastlines with different bottom slopes. The data for vertical-wall and inclined-wall currents are compared to each other. Preliminary results obtained from computational simulations of the currents employing the SINMOD model developed at SINTEF are presented. A typical current as observed in a small-scale experiment is shown in Figure 1 and a simulated current is displayed in Figure 2. It can be seen that experiment and computation are already in good qualitative agreement.

Item Type:	Conference Item (Speech)
Subjects:	T Technology > TA Engineering (General). Civil engineering (General) T Technology > TC Hydraulic engineering. Ocean engineering
Divisions:	Faculty of Science, Engineering and Medicine > Engineering > Engineering
Journal or Publication Title:	EFMC7 Book of Abstracts
Publisher:	European Mechanics Society
Official Date:	16 September 2008
Dates:	Date Event 16 September 2008 Published
Page Range:	p. 124
Status:	Not Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Open Access (Creative Commons)
Conference Paper Type:	Speech
Title of Event:	The 7th EUROMECH Fluid Mechanics Conference
Type of Event:	Conference
Location of Event:	University of Manchester, Manchester, U.K.
Date(s) of Event:	Sep 14-18, 2008

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