Conference paper Open Access

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

Am´elie Rouchon,Walid Jarrah and Andrea Zoia


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  <identifier identifierType="DOI">10.5281/zenodo.3567587</identifier>
  <creators>
    <creator>
      <creatorName>Am´elie Rouchon,Walid Jarrah and Andrea Zoia</creatorName>
      <givenName>Walid Jarrah and Andrea Zoia</givenName>
      <familyName>Am´elie Rouchon</familyName>
      <affiliation>CEA (SERMA)</affiliation>
    </creator>
  </creators>
  <titles>
    <title>THE NEW NEUTRON NOISE SOLVER OF THE MONTE CARLO CODE TRIPOLI-4</title>
  </titles>
  <publisher>Zenodo</publisher>
  <publicationYear>2019</publicationYear>
  <subjects>
    <subject>Neutron noise, Monte Carlo, TRIPOLI-4 R  , Frequency domain, Complex statistical weights</subject>
  </subjects>
  <dates>
    <date dateType="Issued">2019-08-25</date>
  </dates>
  <resourceType resourceTypeGeneral="ConferencePaper"/>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://zenodo.org/record/3567587</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsVersionOf">10.5281/zenodo.3567586</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="https://creativecommons.org/licenses/by/4.0/legalcode">Creative Commons Attribution 4.0 International</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">&lt;p&gt;Neutron noise appears as fluctuations of the neutron field induced by vibrations of fuel elements,&lt;br&gt;
control rods or any other mechanical structures in the core, as well as from global&lt;br&gt;
or local fluctuations in the flow, density or void fraction of the coolant. Neutron noise&lt;br&gt;
equations are obtained by assuming small perturbations of macroscopic cross-sections&lt;br&gt;
around a steady-state neutron field and by subsequently taking the Fourier transform in&lt;br&gt;
the frequency domain. Recently, a new Monte Carlo algorithm was proposed in order to&lt;br&gt;
solve the transport equation in neutron noise theory with complex-valued weights and a&lt;br&gt;
modified collision operator. This paper presents the new neutron noise solver based on&lt;br&gt;
these methods and implemented in the reference Monte Carlo code TRIPOLI-4R &amp;nbsp;developed&lt;br&gt;
at CEA. We illustrate the capabilities of the solver by considering the noise analysis&lt;br&gt;
of a UOX PWR assembly.&lt;/p&gt;</description>
  </descriptions>
  <fundingReferences>
    <fundingReference>
      <funderName>European Commission</funderName>
      <funderIdentifier funderIdentifierType="Crossref Funder ID">10.13039/100010661</funderIdentifier>
      <awardNumber awardURI="info:eu-repo/grantAgreement/EC/H2020/754316/">754316</awardNumber>
      <awardTitle>Core monitoring techniques and experimental validation and demonstration</awardTitle>
    </fundingReference>
  </fundingReferences>
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