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Topology and transport: Difference between revisions
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The aim of this page is to introduce and report progress on the activities included in the research project ''Influence of global flows and their topology on transport in turbulent plasmas'', funded by the Spanish Ministry of Science and Innovation through the grant ENE2009-07247. The members of the research team are: | The aim of this page is to introduce and report progress on the activities included in the research project ''Influence of global flows and their topology on transport in turbulent plasmas'', funded by the Spanish [http://www.micinn.es Ministry of Science and Innovation] through the grant ENE2009-07247. The members of the research team are: | ||
* Iván Calvo (Principal Investigator), Laboratorio Nacional de Fusión, Asociación EURATOM-CIEMAT, Madrid, | * Iván Calvo (Principal Investigator), [[Laboratorio Nacional de Fusión]], Asociación EURATOM-CIEMAT, Madrid, | ||
* Benjamín Carreras, BACV Solutions Inc., Oak Ridge, Tennessee & University of Alaska, | * Benjamín Carreras, BACV Solutions Inc., Oak Ridge, Tennessee & University of Alaska, | ||
* Irene Llerena, Universidad de Barcelona, | * Irene Llerena, Universidad de Barcelona, | ||
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Recent experimental results in the TJ-II stellarator prove the existence of long-distance correlations | Recent experimental results in the TJ-II stellarator prove the existence of long-distance correlations | ||
in the electrostatic potential around the bifurcation point for the emergence of the plasma edge sheared | in the electrostatic potential around the bifurcation point for the emergence of the plasma edge sheared | ||
flow layer <ref>[http://prl.aps.org/abstract/PRL/v100/i21/e215003 M. A. Pedrosa et al., Phys. Rev. Lett. '''100''', 215003 (2008)]</ref>. Trying | flow layer <ref>[http://prl.aps.org/abstract/PRL/v100/i21/e215003 M.A. Pedrosa et al., Phys. Rev. Lett. '''100''', 215003 (2008)]</ref>. Trying | ||
to understand these results from a theoretical point of view, | to understand these results from a theoretical point of view, we have formulated a phenomenological model | ||
<ref>[http://www.iop.org/EJ/abstract/-search=68892777.7/0741-3335/51/6/065007 I. Calvo et al., Plasma Phys. Control. Fusion '''51''' 065007 (2009)]</ref> based on the | <ref>[http://www.iop.org/EJ/abstract/-search=68892777.7/0741-3335/51/6/065007 I. Calvo et al., Plasma Phys. Control. Fusion '''51''', 065007 (2009)]</ref> based on the | ||
paradigm of flow shear generation by Reynolds stress and turbulence | paradigm of flow shear generation by Reynolds stress and turbulence suppression by | ||
shear. We suggest that the experimental results might be an indirect evidence of the development of poloidally asymmetric zonal flows. | shear. We suggest that the experimental results might be an indirect evidence of the development of poloidally asymmetric zonal flows. | ||
== References == | == References == | ||
<references /> | <references /> | ||