Enhanced dispersion by elastic turbulence in porous media

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SCHOLZ, Christian, Frank WIRNER, Juan Ruben GOMEZ-SOLANO, Clemens BECHINGER, 2014. Enhanced dispersion by elastic turbulence in porous media. In: EPL (Europhysics Letters). 107(5), 54003. ISSN 0295-5075. eISSN 1286-4854. Available under: doi: 10.1209/0295-5075/107/54003

@article{Scholz2014-09-01Enhan-39275, title={Enhanced dispersion by elastic turbulence in porous media}, year={2014}, doi={10.1209/0295-5075/107/54003}, number={5}, volume={107}, issn={0295-5075}, journal={EPL (Europhysics Letters)}, author={Scholz, Christian and Wirner, Frank and Gomez-Solano, Juan Ruben and Bechinger, Clemens}, note={Article Number: 54003} }

Gomez-Solano, Juan Ruben eng 2014-09-01 Gomez-Solano, Juan Ruben Wirner, Frank Wirner, Frank Bechinger, Clemens Scholz, Christian 2017-06-14T08:45:38Z Bechinger, Clemens We experimentally investigate hydrodynamic dispersion in elastic turbulent flows of a semi-dilute aqueous polymer solution within a periodic porous structure at ultra-low Reynolds numbers <10<sup>-3</sup> by particle tracking velocimetry. Our results indicate that elastic turbulence can be characterized by an effective dispersion coefficient which exceeds that of Newtonian liquids by several orders of magnitude and grows non-linearly with the Weissenberg number Wi. Contrary to laminar flow conditions, the velocity field, and thus the shear rate, is not proportional to the flow rate and becomes asymmetric at high Wi. Scholz, Christian Enhanced dispersion by elastic turbulence in porous media 2017-06-14T08:45:38Z

Dateiabrufe seit 14.06.2017 (Informationen über die Zugriffsstatistik)

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