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THE NEW NEUTRON NOISE SOLVER OF THE MONTE CARLO CODE TRIPOLI-4

Am´elie Rouchon,Walid Jarrah and Andrea Zoia


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    "description": "<p>Neutron noise appears as fluctuations of the neutron field induced by vibrations of fuel elements,<br>\ncontrol rods or any other mechanical structures in the core, as well as from global<br>\nor local fluctuations in the flow, density or void fraction of the coolant. Neutron noise<br>\nequations are obtained by assuming small perturbations of macroscopic cross-sections<br>\naround a steady-state neutron field and by subsequently taking the Fourier transform in<br>\nthe frequency domain. Recently, a new Monte Carlo algorithm was proposed in order to<br>\nsolve the transport equation in neutron noise theory with complex-valued weights and a<br>\nmodified collision operator. This paper presents the new neutron noise solver based on<br>\nthese methods and implemented in the reference Monte Carlo code TRIPOLI-4R &nbsp;developed<br>\nat CEA. We illustrate the capabilities of the solver by considering the noise analysis<br>\nof a UOX PWR assembly.</p>", 
    "license": {
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    "title": "THE NEW NEUTRON NOISE SOLVER OF THE MONTE CARLO CODE TRIPOLI-4", 
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    "keywords": [
      "Neutron noise, Monte Carlo, TRIPOLI-4 R  , Frequency domain, Complex statistical weights"
    ], 
    "publication_date": "2019-08-25", 
    "creators": [
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        "affiliation": "CEA (SERMA)", 
        "name": "Am\u00b4elie Rouchon,Walid Jarrah and Andrea Zoia"
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      "acronym": "M&C 2019", 
      "url": "https://www.mc2019.org/", 
      "dates": "25-29 August, 2019", 
      "place": "Portland, Oregon, USA", 
      "title": "Mathematics & Computational Methods Applied to Nuclear Science & Engineering"
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