A time and frequency domain analysis of the effect of vibrating fuel assemblies on the neutron noise
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A time and frequency domain analysis of the effect of vibrating fuel assemblies on the neutron noise
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| dc.contributor.author | Vidal-Ferràndiz, Antoni
|
es_ES |
| dc.contributor.author | Carreño, Amanda
|
es_ES |
| dc.contributor.author | Ginestar Peiro, Damián
|
es_ES |
| dc.contributor.author | Demazière, C.
|
es_ES |
| dc.contributor.author | Verdú Martín, Gumersindo Jesús
|
es_ES |
| dc.date.accessioned | 2021-04-29T03:32:02Z | |
| dc.date.available | 2021-04-29T03:32:02Z | |
| dc.date.issued | 2020-03 | es_ES |
| dc.identifier.issn | 0306-4549 | es_ES |
| dc.identifier.uri | http://hdl.handle.net/10251/165765 | |
| dc.description.abstract | [EN] The mechanical vibrations of fuel assemblies have been shown to give rise to high levels of neutron noise, triggering in some circumstances the necessity to operate nuclear reactors at a reduced power level. This work analyses the effect in the neutron field of the oscillation of one single fuel assembly. Results show two different effects in the neutron field caused by the fuel assembly vibration. First, a global slow variation of the total reactor power due to a change in the criticality of the system. Second, an oscillation in the neutron flux in-phase with the assembly vibration. This second effect has a strong spatial dependence that can be used to localize the oscillating assembly. This paper shows a comparison between a time-domain and a frequency-domain analysis of the phenomena to calculate the spatial response of the neutron noise. Numerical results show a really close agreement between these two approaches. | es_ES |
| dc.description.sponsorship | This project has received funding from the Euratom research and training programme 2014-2018 under grant agreement No 754316. Also, this work has been partially supported by Spanish Ministerio de Economia y Competitividad under project BES-2015-072901 and financed with the help of a Primeros Proyectos de Investigation (PAID-06-18), Vicerrectorado de Investigacitin, Innovation y Transferencia of the Universitat Politecnica de Valencia (UPV). | es_ES |
| dc.language | Inglés | es_ES |
| dc.publisher | Elsevier | es_ES |
| dc.relation.ispartof | Annals of Nuclear Energy | es_ES |
| dc.rights | Reconocimiento - No comercial - Sin obra derivada (by-nc-nd) | es_ES |
| dc.subject | Neutron noise | es_ES |
| dc.subject | Fuel assembly vibrations | es_ES |
| dc.subject | Neutron diffusion | es_ES |
| dc.subject | Frequency domain | es_ES |
| dc.subject | Time domain | es_ES |
| dc.subject.classification | MATEMATICA APLICADA | es_ES |
| dc.subject.classification | INGENIERIA NUCLEAR | es_ES |
| dc.title | A time and frequency domain analysis of the effect of vibrating fuel assemblies on the neutron noise | es_ES |
| dc.type | Artículo | es_ES |
| dc.identifier.doi | 10.1016/j.anucene.2019.107076 | es_ES |
| dc.relation.projectID | info:eu-repo/grantAgreement/EC/H2020/754316/EU/Core monitoring techniques and experimental validation and demonstration/ | es_ES |
| dc.relation.projectID | info:eu-repo/grantAgreement/UPV//PAID-06-18/ | es_ES |
| dc.relation.projectID | info:eu-repo/grantAgreement/MINECO//BES-2015-072901/ES/BES-2015-072901/ | es_ES |
| dc.relation.projectID | info:eu-repo/grantAgreement/UPV//SP20180095/ | es_ES |
| dc.rights.accessRights | Abierto | es_ES |
| dc.contributor.affiliation | Universitat Politècnica de València. Departamento de Matemática Aplicada - Departament de Matemàtica Aplicada | es_ES |
| dc.contributor.affiliation | Universitat Politècnica de València. Departamento de Ingeniería Química y Nuclear - Departament d'Enginyeria Química i Nuclear | es_ES |
| dc.description.bibliographicCitation | Vidal-Ferràndiz, A.; Carreño, A.; Ginestar Peiro, D.; Demazière, C.; Verdú Martín, GJ. (2020). A time and frequency domain analysis of the effect of vibrating fuel assemblies on the neutron noise. Annals of Nuclear Energy. 137:1-12. https://doi.org/10.1016/j.anucene.2019.107076 | es_ES |
| dc.description.accrualMethod | S | es_ES |
| dc.relation.publisherversion | https://doi.org/10.1016/j.anucene.2019.107076 | es_ES |
| dc.description.upvformatpinicio | 1 | es_ES |
| dc.description.upvformatpfin | 12 | es_ES |
| dc.type.version | info:eu-repo/semantics/publishedVersion | es_ES |
| dc.description.volume | 137 | es_ES |
| dc.relation.pasarela | S\394438 | es_ES |
| dc.contributor.funder | Ministerio de Economía y Empresa | es_ES |
| dc.contributor.funder | European Commission | es_ES |
| dc.contributor.funder | Universitat Politècnica de València | es_ES |
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