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Title: On a fractal and an experimental approach to turbulence
Authors: Peinke, J ×
Castaing, B
Chabaud, B
Chilla, F
Hebral, B
Naert, Antoon #
Issue Date: 1994
Publisher: Elsevier science publ b v
Series Title: Fractals in the natural and applied sciences vol:41 pages:295-304
Abstract: A fractal function deduced from a recently proposed generic model for fractal basin boundaries and a time series of velocities obtained from developed turbulence (Re = 58000) in an axi-symmetric jet of gaseous He-4 at low temperatures are compared on the background of their statistical features. For both data sets strong intermittency effects are shown. Evidence is presented that for a finite set of data points, intermittency can not be properely evaluated by means of multiaffinity or structure function exponents. As an alternative we present a direct evaluation of the probability densities which leads to an intermittency parameter. For the data of the fractal function we find Kolmogorov's refined scaling, whereas the experimental data display a different scaling behavior of the variational model.
URI: 
ISSN: 0926-5473
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Archaeology, Leuven
× corresponding author
# (joint) last author

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