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Turbulence generation and measurement: application to studies on plankton

AuthorsPeters, Francesc CSIC ORCID ; Redondo, José M.
KeywordsSmall-scale turbulence
Laboratory generated vs. oceanic turbulence
Kolmogorov microscales
Laboratory experiments
Grid-generated turbulence
Couette cylinders
Energy dissipation rate
Spectral density
Integral length
Hot-wire anemometry
Doppler anemometry
Imaging methods
Issue DateMar-1997
PublisherConsejo Superior de Investigaciones Científicas (España)
CitationScientia Marina 61(S1): 205-228 (1997)
AbstractInterest in the effects of small-scale turbulence on aquatic organisms has increased tremendously in recent years. Since the complete understanding of turbulence is still one of the last frontiers in physics, a study of its effects on organisms needs a multidisciplinary approach. With this in mind, and as an outgrowth of the EC MAST course Ocean turbulence: a basic environmental property for plankton, we review methods to generate turbulence in the laboratory and techniques to measure such turbulence in relation to their applicability to experiments with aquatic organisms. First we introduce several basic concepts to build a common ground for readers with a variety of backgrounds and interests. Then we discuss several methods to generate turbulence in the laboratory and mention the characteristics of the generated flows. We follow by describing different ways to estimate turbulence and we finish the chapter discussing a few topics that should be of interest to readers planning on doing experiments with organisms under turbulence. We will have fulfilled our objectives if this chapter is read by physicists and biologists alike and its reading develops into highly needed multidisciplinary research
Description24 páginas, 10 figuras, 2 tablas.-- Contribución a "Lectures on Plankton and Turbulence" (C. Marrasé, E. Saiz and J.M. Redondo, eds)
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