Impact of the thermal scattering law of H in H 2 O on the isothermal temperature reactivity coefficients for UOX and MOX fuel lattices in cold operating conditions

Autores
Scotta, Juan Pablo; Noguere, Gilles; Bernard, David; Marquez Damian, Jose Ignacio; Santamarina, Alain
Año de publicación
2016
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The contribution of the thermal scattering law of hydrogen in light water to isothermal temperature reactivity coefficients for UOX and MOX lattices was studied in the frame of the MISTRAL critical experiments carried out in the zero power reactor EOLE of CEA Cadarache (France). The interpretation of the core residual reactivity measured between 6 °C to 80 °C (by step of 5 °C) was performed with the Monte-Carlo code TRIPOLI4®. The nuclear data from the JEFF-3.1.1 library were used in the calculations. Three different thermal scattering laws of hydrogen in light water were tested in order to evaluate their impact on the MISTRAL calculations. The thermal scattering laws of interest were firstly those recommended in JEFF-3.1.1 and ENDF/B-VII.1 and also that recently produced at the atomic center of Bariloche (CAB, Argentina) with molecular dynamic simulations. The present work indicates that the calculation-to-experimpental bias is −0.4 ± 0.3 pcm/°C in the UOX core and −1.0 ± 0.3 pcm/°C in the MOX cores, when the JEFF-3.1.1 library is used. An improvement is observed over the whole temperature range with the CAB model. The calculation-to-experimpental bias vanishes for the UOX core (−0.02 pcm/°C) and becomes close to −0.7 pcm/°C for the MOX cores. The magnitude of these bias have to be connected to the typical value of the temperature reactivity coefficient that ranges from −5 pcm/°C at Begining Of Cycle (BOC) up to −50 pcm/°C at End Of Cycle (EOC), in PWR conditions.
Fil: Scotta, Juan Pablo. Commissariat à l’énergie atomique; Francia
Fil: Noguere, Gilles. Commissariat à l’énergie atomique; Francia
Fil: Bernard, David. Commissariat à l’énergie atomique; Francia
Fil: Marquez Damian, Jose Ignacio. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Gerencia de Ingeniería Nuclear (CAB). División Neutrones y Reactores; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Santamarina, Alain. Commissariat à l’énergie atomique; Francia
Materia
ISOTHERMAL REACTIVITY COEFFICIENT
THERMAL SCATTERING LIBRARY
JEFF
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/49614
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/49614
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Impact of the thermal scattering law of H in H 2 O on the isothermal temperature reactivity coefficients for UOX and MOX fuel lattices in cold operating conditionsScotta, Juan PabloNoguere, GillesBernard, DavidMarquez Damian, Jose IgnacioSantamarina, AlainISOTHERMAL REACTIVITY COEFFICIENTTHERMAL SCATTERING LIBRARYJEFFhttps://purl.org/becyt/ford/2.3https://purl.org/becyt/ford/2The contribution of the thermal scattering law of hydrogen in light water to isothermal temperature reactivity coefficients for UOX and MOX lattices was studied in the frame of the MISTRAL critical experiments carried out in the zero power reactor EOLE of CEA Cadarache (France). The interpretation of the core residual reactivity measured between 6 °C to 80 °C (by step of 5 °C) was performed with the Monte-Carlo code TRIPOLI4<sup>®</sup>. The nuclear data from the JEFF-3.1.1 library were used in the calculations. Three different thermal scattering laws of hydrogen in light water were tested in order to evaluate their impact on the MISTRAL calculations. The thermal scattering laws of interest were firstly those recommended in JEFF-3.1.1 and ENDF/B-VII.1 and also that recently produced at the atomic center of Bariloche (CAB, Argentina) with molecular dynamic simulations. The present work indicates that the calculation-to-experimpental bias is −0.4 ± 0.3 pcm/°C in the UOX core and −1.0 ± 0.3 pcm/°C in the MOX cores, when the JEFF-3.1.1 library is used. An improvement is observed over the whole temperature range with the CAB model. The calculation-to-experimpental bias vanishes for the UOX core (−0.02 pcm/°C) and becomes close to −0.7 pcm/°C for the MOX cores. The magnitude of these bias have to be connected to the typical value of the temperature reactivity coefficient that ranges from −5 pcm/°C at Begining Of Cycle (BOC) up to −50 pcm/°C at End Of Cycle (EOC), in PWR conditions.Fil: Scotta, Juan Pablo. Commissariat à l’énergie atomique; FranciaFil: Noguere, Gilles. Commissariat à l’énergie atomique; FranciaFil: Bernard, David. Commissariat à l’énergie atomique; FranciaFil: Marquez Damian, Jose Ignacio. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Gerencia de Ingeniería Nuclear (CAB). División Neutrones y Reactores; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Santamarina, Alain. Commissariat à l’énergie atomique; FranciaEDP Sciences2016-06-10info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/49614Scotta, Juan Pablo; Noguere, Gilles; Bernard, David; Marquez Damian, Jose Ignacio; Santamarina, Alain; Impact of the thermal scattering law of H in H 2 O on the isothermal temperature reactivity coefficients for UOX and MOX fuel lattices in cold operating conditions; EDP Sciences; EPJ Nuclear Sciences & Technologies; 2; 28; 10-6-2016; 1-152491-9292CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.epj-n.org/articles/epjn/abs/2016/01/epjn150080/epjn150080.htmlinfo:eu-repo/semantics/altIdentifier/doi/10.1051/epjn/2016020info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-22T11:05:08Zoai:ri.conicet.gov.ar:11336/49614instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-10-22 11:05:08.695CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Impact of the thermal scattering law of H in H 2 O on the isothermal temperature reactivity coefficients for UOX and MOX fuel lattices in cold operating conditions
title Impact of the thermal scattering law of H in H 2 O on the isothermal temperature reactivity coefficients for UOX and MOX fuel lattices in cold operating conditions
spellingShingle Impact of the thermal scattering law of H in H 2 O on the isothermal temperature reactivity coefficients for UOX and MOX fuel lattices in cold operating conditions
Scotta, Juan Pablo
ISOTHERMAL REACTIVITY COEFFICIENT
THERMAL SCATTERING LIBRARY
JEFF
title_short Impact of the thermal scattering law of H in H 2 O on the isothermal temperature reactivity coefficients for UOX and MOX fuel lattices in cold operating conditions
title_full Impact of the thermal scattering law of H in H 2 O on the isothermal temperature reactivity coefficients for UOX and MOX fuel lattices in cold operating conditions
title_fullStr Impact of the thermal scattering law of H in H 2 O on the isothermal temperature reactivity coefficients for UOX and MOX fuel lattices in cold operating conditions
title_full_unstemmed Impact of the thermal scattering law of H in H 2 O on the isothermal temperature reactivity coefficients for UOX and MOX fuel lattices in cold operating conditions
title_sort Impact of the thermal scattering law of H in H 2 O on the isothermal temperature reactivity coefficients for UOX and MOX fuel lattices in cold operating conditions
dc.creator.none.fl_str_mv Scotta, Juan Pablo
Noguere, Gilles
Bernard, David
Marquez Damian, Jose Ignacio
Santamarina, Alain
author Scotta, Juan Pablo
author_facet Scotta, Juan Pablo
Noguere, Gilles
Bernard, David
Marquez Damian, Jose Ignacio
Santamarina, Alain
author_role author
author2 Noguere, Gilles
Bernard, David
Marquez Damian, Jose Ignacio
Santamarina, Alain
author2_role author
author
author
author
dc.subject.none.fl_str_mv ISOTHERMAL REACTIVITY COEFFICIENT
THERMAL SCATTERING LIBRARY
JEFF
topic ISOTHERMAL REACTIVITY COEFFICIENT
THERMAL SCATTERING LIBRARY
JEFF
purl_subject.fl_str_mv https://purl.org/becyt/ford/2.3
https://purl.org/becyt/ford/2
dc.description.none.fl_txt_mv The contribution of the thermal scattering law of hydrogen in light water to isothermal temperature reactivity coefficients for UOX and MOX lattices was studied in the frame of the MISTRAL critical experiments carried out in the zero power reactor EOLE of CEA Cadarache (France). The interpretation of the core residual reactivity measured between 6 °C to 80 °C (by step of 5 °C) was performed with the Monte-Carlo code TRIPOLI4<sup>®</sup>. The nuclear data from the JEFF-3.1.1 library were used in the calculations. Three different thermal scattering laws of hydrogen in light water were tested in order to evaluate their impact on the MISTRAL calculations. The thermal scattering laws of interest were firstly those recommended in JEFF-3.1.1 and ENDF/B-VII.1 and also that recently produced at the atomic center of Bariloche (CAB, Argentina) with molecular dynamic simulations. The present work indicates that the calculation-to-experimpental bias is −0.4 ± 0.3 pcm/°C in the UOX core and −1.0 ± 0.3 pcm/°C in the MOX cores, when the JEFF-3.1.1 library is used. An improvement is observed over the whole temperature range with the CAB model. The calculation-to-experimpental bias vanishes for the UOX core (−0.02 pcm/°C) and becomes close to −0.7 pcm/°C for the MOX cores. The magnitude of these bias have to be connected to the typical value of the temperature reactivity coefficient that ranges from −5 pcm/°C at Begining Of Cycle (BOC) up to −50 pcm/°C at End Of Cycle (EOC), in PWR conditions.
Fil: Scotta, Juan Pablo. Commissariat à l’énergie atomique; Francia
Fil: Noguere, Gilles. Commissariat à l’énergie atomique; Francia
Fil: Bernard, David. Commissariat à l’énergie atomique; Francia
Fil: Marquez Damian, Jose Ignacio. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Gerencia de Ingeniería Nuclear (CAB). División Neutrones y Reactores; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Santamarina, Alain. Commissariat à l’énergie atomique; Francia
description The contribution of the thermal scattering law of hydrogen in light water to isothermal temperature reactivity coefficients for UOX and MOX lattices was studied in the frame of the MISTRAL critical experiments carried out in the zero power reactor EOLE of CEA Cadarache (France). The interpretation of the core residual reactivity measured between 6 °C to 80 °C (by step of 5 °C) was performed with the Monte-Carlo code TRIPOLI4<sup>®</sup>. The nuclear data from the JEFF-3.1.1 library were used in the calculations. Three different thermal scattering laws of hydrogen in light water were tested in order to evaluate their impact on the MISTRAL calculations. The thermal scattering laws of interest were firstly those recommended in JEFF-3.1.1 and ENDF/B-VII.1 and also that recently produced at the atomic center of Bariloche (CAB, Argentina) with molecular dynamic simulations. The present work indicates that the calculation-to-experimpental bias is −0.4 ± 0.3 pcm/°C in the UOX core and −1.0 ± 0.3 pcm/°C in the MOX cores, when the JEFF-3.1.1 library is used. An improvement is observed over the whole temperature range with the CAB model. The calculation-to-experimpental bias vanishes for the UOX core (−0.02 pcm/°C) and becomes close to −0.7 pcm/°C for the MOX cores. The magnitude of these bias have to be connected to the typical value of the temperature reactivity coefficient that ranges from −5 pcm/°C at Begining Of Cycle (BOC) up to −50 pcm/°C at End Of Cycle (EOC), in PWR conditions.
publishDate 2016
dc.date.none.fl_str_mv 2016-06-10
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/49614
Scotta, Juan Pablo; Noguere, Gilles; Bernard, David; Marquez Damian, Jose Ignacio; Santamarina, Alain; Impact of the thermal scattering law of H in H 2 O on the isothermal temperature reactivity coefficients for UOX and MOX fuel lattices in cold operating conditions; EDP Sciences; EPJ Nuclear Sciences & Technologies; 2; 28; 10-6-2016; 1-15
2491-9292
CONICET Digital
CONICET
url http://hdl.handle.net/11336/49614
identifier_str_mv Scotta, Juan Pablo; Noguere, Gilles; Bernard, David; Marquez Damian, Jose Ignacio; Santamarina, Alain; Impact of the thermal scattering law of H in H 2 O on the isothermal temperature reactivity coefficients for UOX and MOX fuel lattices in cold operating conditions; EDP Sciences; EPJ Nuclear Sciences & Technologies; 2; 28; 10-6-2016; 1-15
2491-9292
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://www.epj-n.org/articles/epjn/abs/2016/01/epjn150080/epjn150080.html
info:eu-repo/semantics/altIdentifier/doi/10.1051/epjn/2016020
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv EDP Sciences
publisher.none.fl_str_mv EDP Sciences
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 12.982451

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