Author： Warnaars T. Hondzo M. Carper M.
Publisher： Springer Publishing Company
ISSN： 0018-8158
Source： Hydrobiologia, Vol.563, Iss.1, 2006-06, pp. : 431-443
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Abstract
Low levels of kinetic energy dissipation were successfully generated in a reactor using two submersible speakers. A software programme controlled the amplitude and frequency of the signal fed to each speaker and achieved good repeatability of flow conditions. The flow reactor had a near isotropic flow regime with a low mean flow, values were calculated from particle image velocimetry measurements. The flow characteristics compared well with grid turbulence reactors, though as no moving parts are present in this reactor design the strain rates were lower compared to oscillating grid set-ups. The low range of Reynolds numbers based on Taylor microscales (
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