Making water flow: a comparison of the hydrodynamic characteristics of 12 different benthic biological flumes

Type Article
Date 2006-12
Language English
Author(s) Jonsson Per R.2, Van Duren Luca A.1, Amielh Muriel3, Asmus Ragnhild4, Aspden Rebecca J.5, Daunys Darius6, Friedrichs Michael7, Friend Patrick L.8, Olivier Frédéric9, Pope Nick10, Precht Elimar11, Sauriau Pierre-Guy12, 14, Schaaff Estelle13
Affiliation(s) 1 : Netherlands Inst Ecol, NL-4400 AC Yerseke, Netherlands.
2 : Univ Gothenburg, Dept Marine Ecol, Tjarno Marine Biol Lab, SE-45296 Stromstad, Sweden.
3 : Inst Rech Phenomenes Hors Equilibre, F-13003 Marseille, France.
4 : Alfred Wegener Inst Polar & Marine Res, D-25992 List Auf Sylt, Germany.
5 : Univ St Andrews, Gatty Marine Lab, St Andrews KY16 8LB, Fife, Scotland.
6 : Klaipeda Univ, Coastal Res & Planning Inst, LT-5808 Klaipeda, Lithuania.
7 : Univ Rostock, Dept Marine Biol, D-18051 Rostock, Germany.
8 : Univ Southampton, Sch Ocean & Earth Sci, Oceanog Ctr, Southampton SO14 3ZH, Hants, England.
9 : Museum Natl Hist Nat, Stn Marine Dinard, F-35801 Dinard, France.
10 : Plymouth Marine Lab, Plymouth PL1 3DH, Devon, England.
11 : Max Planck Inst Marine Mikrobiol, D-28359 Bremen, Germany.
12 : CNRS, IFREMER, UMR 10, CREMA, F-17137 Houmeau, France.
13 : Ctr Oceanol Marseille, Marine Endoume Stn, F-13007 Marseille, France.
Source Aquatic Ecology (1386-2588) (Springer), 2006-12 , Vol. 40 , N. 4 , P. 409-438
DOI 10.1007/s10452-006-9049-z
WOS© Times Cited 35
Keyword(s) Methods, Hydrodynamics, Flume tanks, Biological physical interaction, Benthic boundary layer
Abstract Flume tanks are becoming increasingly important research tools in aquatic ecology, to link biological to hydrodynamical processes. There is no such thing as a "standard flume tank", and no flume tank is suitable for every type of research question. A series of experiments has been carried out to characterise and compare the hydrodynamic characteristics of 12 different flume tanks that are designed specifically for biological research. These facilities are part of the EU network BioFlow. The flumes could be divided into four basic design types: straight, racetrack, annular and field flumes. In each facility, two vertical velocity profiles were measured: one at 0.05 m s(-1) and one at 0.25 m s(-1). In those flumes equipped with Acoustic Doppler Velocimeters (ADV), time series were also recorded for each velocity at two heights above the bottom: 0.05 m and 20% of the water depth. From these measurements turbulence characteristics, such as TKE and Reynolds stress, were derived, and autocorrelation spectra of the horizontal along-stream velocity component were plotted. The flume measurements were compared to two sets of velocity profiles measured in the field. Despite the fact that some flumes were relatively small, turbulence was fully developed in all channels. Straight and racetrack flumes generally produced boundary layers with a clearly definable logarithmic layer, similar to measurements in the field taken under steady flow conditions. The two annular flumes produced relatively thin boundary layers, presumably due to secondary flows developing in the curved channels. The profiles in the field flumes also differed considerably from the expected log profile. This may either have been due the construction of the flume, or due to unsteady conditions during measurement. Constraints imposed by the different flume designs on the suitability for different types of boundary layer research, as well as scaling issues are discussed.
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Jonsson Per R., Van Duren Luca A., Amielh Muriel, Asmus Ragnhild, Aspden Rebecca J., Daunys Darius, Friedrichs Michael, Friend Patrick L., Olivier Frédéric, Pope Nick, Precht Elimar, Sauriau Pierre-Guy, Schaaff Estelle (2006). Making water flow: a comparison of the hydrodynamic characteristics of 12 different benthic biological flumes. Aquatic Ecology, 40(4), 409-438. Publisher's official version : , Open Access version :