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Calculation of Lambda modes of the multi-group neutron transport equation using the discrete ordinates and Finite Difference Method

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Calculation of Lambda modes of the multi-group neutron transport equation using the discrete ordinates and Finite Difference Method

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Nombre: Morató-Rafet;Bern ...
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dc.contributor.author Morató-Rafet, Sergio es_ES
dc.contributor.author Bernal, Á. es_ES
dc.contributor.author Miró Herrero, Rafael es_ES
dc.contributor.author Román Moltó, José Enrique es_ES
dc.contributor.author Verdú Martín, Gumersindo Jesús es_ES
dc.date.accessioned 2021-05-12T03:32:14Z
dc.date.available 2021-05-12T03:32:14Z
dc.date.issued 2020-03 es_ES
dc.identifier.issn 0306-4549 es_ES
dc.identifier.uri http://hdl.handle.net/10251/166215
dc.description.abstract [EN] The method explained in this paper solves the steady-state of the neutron transport equation for 1D and 2D systems modeled with Cartesian geometry, by using the Discrete Ordinates method SN for the angular discretization and the Finite Difference Method for the spatial discretization. The method applies the multi-group approach for any energy discretization, including upscattering terms. The method solves the steady-state equation by solving a generalized eigenvalue problem by means of a Krylov-Schur method. One of the main advantages of the method is the capability to calculate multiple eigenfunctions. The Discrete Ordinates methodology is used for the angular discretization, which uses a simple formulation involving the angles and direction cosines. The spatial discretization with Finite Difference Method is selected for its simplicity. The method is validated with several one-dimensional benchmark problems and four two dimensional benchmark problems. The results show good agreement with respect to the reference results for all the cases studied. es_ES
dc.description.sponsorship This work has been partially supported by the Spanish Agencia Estatal de Investigation [Grant No. BES-2016-076782], Ministerio de Eduacion Cultura y Deporte [Grant No. FPU13/01009] and the Spanish Ministerio de Economia Industria y Competitividad [project ENE2015-68353-P]. 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 transport es_ES
dc.subject Discrete ordinates es_ES
dc.subject Multigroup es_ES
dc.subject Finite Difference Method es_ES
dc.subject Multiple Eigenvalues es_ES
dc.subject Anisotropic es_ES
dc.subject.classification INGENIERIA NUCLEAR es_ES
dc.subject.classification CIENCIAS DE LA COMPUTACION E INTELIGENCIA ARTIFICIAL es_ES
dc.title Calculation of Lambda modes of the multi-group neutron transport equation using the discrete ordinates and Finite Difference Method es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1016/j.anucene.2019.107077 es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MECD//FPU13%2F01009/ES/FPU13%2F01009/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MINECO//ENE2015-68353-P/ES/DESARROLLO DE UN CODIGO DE TRANSPORTE NEUTRONICO MODAL 3D POR EL METODO DE LOS VOLUMENES FINITOS Y ORDENADAS DISCRETAS/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/AEI//BES-2016-076782/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PGC2018-096437-B-I00/ES/APLICACION INTEGRADA DE FISICA DE REACTORES PARA SIMULACIONES A GRAN ESCALA/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Sistemas Informáticos y Computación - Departament de Sistemes Informàtics i Computació 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 Morató-Rafet, S.; Bernal, Á.; Miró Herrero, R.; Román Moltó, JE.; Verdú Martín, GJ. (2020). Calculation of Lambda modes of the multi-group neutron transport equation using the discrete ordinates and Finite Difference Method. Annals of Nuclear Energy. 137:1-15. https://doi.org/10.1016/j.anucene.2019.107077 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.1016/j.anucene.2019.107077 es_ES
dc.description.upvformatpinicio 1 es_ES
dc.description.upvformatpfin 15 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 137 es_ES
dc.relation.pasarela S\396052 es_ES
dc.contributor.funder Agencia Estatal de Investigación es_ES
dc.contributor.funder Ministerio de Economía y Competitividad es_ES
dc.contributor.funder Ministerio de Educación, Cultura y Deporte es_ES
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