@prefix dcat: <http://www.w3.org/ns/dcat#> .
@prefix dct: <http://purl.org/dc/terms/> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix vcard: <http://www.w3.org/2006/vcard/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

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    dct:description """
              This dissertation tries a novel approach of statistical mechanics (at and out of equilibrium) to understand the behaviour of a fully turbulent confined flow --- von Kármán flow --- stirred by two counter-rotating impellers in a cylinder vessel. First, experimental results from speed control are extended using new PIV observations: the susceptibility divergence of the flow is studied similarly to a mean-field Ising model, for which the spatial correlations and the fluctuation-dissipation theorem are examined. Second, additional experimental results obtained in torque control are also detailed, revealing negative differential responses allowing an analogy with other out-of-equilibrium experiments such as electrical dipoles or complex fluids. These results are understood in the framework of ensemble inequivalence, typical of long-range interacting systems. In addition, escape times from attracting states in multi-stable experiments display a Kramers-like simple dynamics, as do systems with few degrees of freedom. Finally, preliminary results from the SHREK experiment are shown: torques measured in normal and superfluid liquid helium exhibit similar results. Moreover, the Reynolds number range achieved in this experiment allows a more thorough study of the evolution of the hysteresis cycle already studied for lower Reynolds numbers.
            """ ;
    dct:identifier "tel-00911544" ;
    dct:issued "2026-05-08T00:49:22.552435"^^xsd:dateTime ;
    dct:language "fr" ;
    dct:modified "2026-05-08T00:49:22.552439"^^xsd:dateTime ;
    dct:publisher <https://rec.harvest-normandie.data4citizen.com/organization/cce9db95-46d9-4dc2-84b6-764215d0a002> ;
    dct:title "The von Kármán flow as a paradigm for out-of-equilibrium statistical physics" ;
    dcat:contactPoint [ a vcard:Organization ;
            vcard:fn "CCSD" ] ;
    dcat:distribution <https://rec.harvest-normandie.data4citizen.com/dataset/oai-hal-tel-00911544v1/resource/43d70a03-93d1-4375-8a13-fe03fa2b210f> ;
    dcat:keyword "ecoulement-de-von-karman",
        "infoeu-reposemanticsdoctoralthesis",
        "mecanique-statistique-hors-equilibre",
        "physphysphys-flu-dynphysics-physicsphysics-physicsfluid-dynamics-physicsflu-dyn",
        "superfluidite",
        "theses",
        "transitions-de-phase",
        "turbulence" ;
    dcat:landingPage <https://theses.hal.science/tel-00911544> .

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    dct:format "HTML" ;
    dct:issued "2026-05-08T00:49:22.567080"^^xsd:dateTime ;
    dct:modified "2026-05-08T00:49:22.541344"^^xsd:dateTime ;
    dct:title "The von Kármán flow as a paradigm for out-of-equilibrium statistical physics" ;
    dcat:accessURL <https://theses.hal.science/tel-00911544> .

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    foaf:name "test_moissonnage_selune" .

<https://theses.hal.science/tel-00911544> a foaf:Document .