Abstract:
We analyse experimental velocity measurements on the axis of a low temperature gaseous helium jet. From independent increments arguments, we reproduce the behaviour of structure functions. We show where this approach fails and how the intermittency phenomenon is a small correction. The physical arguments under the multiplicative cascade models for this intermittency imply an acceleration of this cascade close to the dissipative range, which we are able to evidence. This acceleration could be responsible of the apparent Extended Self Similarity between structure functions of various orders.
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Received 13 October 1999 and Received in final form 19 May 2000
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Chanal, O., Chabaud, B., Castaing, B. et al. Intermittency in a turbulent low temperature gaseous helium jet. Eur. Phys. J. B 17, 309–317 (2000). https://doi.org/10.1007/s100510070146
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DOI: https://doi.org/10.1007/s100510070146