Abstract
Turbulence can be generated by oscillating a grid in a volume of water. The turbulent flow thus created has minimal mean shear and mean flow. We have studied the motion of small floating particles on the surface of such a turbulent fluid, as well as the velocity fluctuation in the volume of the fluid. For the surface motion, the standard deviation of the velocity difference of a pair of particles separated by a distance R can be fitted by log(R/R 0). That is in contrast to the volume measurements where the data are fitted by a power law. Nevertheless, our result is not explainable by present theories.
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© 1997 Springer Science+Business Media Dordrecht
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Goldburg, W.I., Cheung, C. (1997). Tempest in a Teapot - Surface and Volume Turbulence in a Closed System. In: Pike, E.R., Abbiss, J.B. (eds) Light Scattering and Photon Correlation Spectroscopy. NATO ASI Series, vol 40. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-5586-1_25
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DOI: https://doi.org/10.1007/978-94-011-5586-1_25
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-010-6355-5
Online ISBN: 978-94-011-5586-1
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