Pub Date : 2024-06-20DOI: 10.1080/00295639.2024.2352661
Shai Kinast, Dean Price, Claudio Filippone, Brendan Kochunas
An analysis of the stability margins of the innovative Holos-Quad microreactor design is presented. This high-temeprature gas-cooled reactor (HTGR) system is designed to operate fully autonomously ...
{"title":"Parametric Sensitivity Analysis of Stability Margins of Holos-Quad Microreactor","authors":"Shai Kinast, Dean Price, Claudio Filippone, Brendan Kochunas","doi":"10.1080/00295639.2024.2352661","DOIUrl":"https://doi.org/10.1080/00295639.2024.2352661","url":null,"abstract":"An analysis of the stability margins of the innovative Holos-Quad microreactor design is presented. This high-temeprature gas-cooled reactor (HTGR) system is designed to operate fully autonomously ...","PeriodicalId":19436,"journal":{"name":"Nuclear Science and Engineering","volume":"19 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2024-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141515847","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-06-18DOI: 10.1080/00295639.2024.2350086
J. Darby Smith, Rich Lehoucq, Brian Franke
Traditional Monte Carlo methods for particle transport utilize source iteration to express the solution, the flux density, of the transport equation as a Neumann series. Our contribution is to show...
{"title":"A Stochastic Calculus Approach to Boltzmann Transport","authors":"J. Darby Smith, Rich Lehoucq, Brian Franke","doi":"10.1080/00295639.2024.2350086","DOIUrl":"https://doi.org/10.1080/00295639.2024.2350086","url":null,"abstract":"Traditional Monte Carlo methods for particle transport utilize source iteration to express the solution, the flux density, of the transport equation as a Neumann series. Our contribution is to show...","PeriodicalId":19436,"journal":{"name":"Nuclear Science and Engineering","volume":"49 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2024-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141515848","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-06-18DOI: 10.1080/00295639.2024.2343119
Patrick F. O’Rourke, Scott D. Ramsey
The Grigoriev-Meleshko Method, an indirect Lie group theory method, is used to derive the symmetry determining equations (SDEs) of the neutron transport equation (NTE) and the coupled delayed neutr...
{"title":"Symmetry Determining Equations and Lie Groups of the Neutron Transport Equation","authors":"Patrick F. O’Rourke, Scott D. Ramsey","doi":"10.1080/00295639.2024.2343119","DOIUrl":"https://doi.org/10.1080/00295639.2024.2343119","url":null,"abstract":"The Grigoriev-Meleshko Method, an indirect Lie group theory method, is used to derive the symmetry determining equations (SDEs) of the neutron transport equation (NTE) and the coupled delayed neutr...","PeriodicalId":19436,"journal":{"name":"Nuclear Science and Engineering","volume":"26 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2024-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141504868","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-05-31DOI: 10.1080/00295639.2024.2347706
Masahiro Fukushima, Masaki Andoh, Yasunobu Nagaya
A series of integral experiments were conducted at the fast critical assembly (FCA) of the Japan Atomic Energy Agency, simulating light water reactor cores with a tight lattice cell of highly enric...
{"title":"Experiments on Criticality and Reactivity Worths in the FCA-XXII-1 Assembly Simulating Highly Enriched MOX Fueled Tight Lattice LWR Cores","authors":"Masahiro Fukushima, Masaki Andoh, Yasunobu Nagaya","doi":"10.1080/00295639.2024.2347706","DOIUrl":"https://doi.org/10.1080/00295639.2024.2347706","url":null,"abstract":"A series of integral experiments were conducted at the fast critical assembly (FCA) of the Japan Atomic Energy Agency, simulating light water reactor cores with a tight lattice cell of highly enric...","PeriodicalId":19436,"journal":{"name":"Nuclear Science and Engineering","volume":"353 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2024-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141515849","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-05-30DOI: 10.1080/00295639.2024.2340173
Gabriel Suau, Ansar Calloo, Rémi Baron, Romain Le Tellier
This paper describes the implementation of efficient and portable vectorized sweep kernels as part of the resolution of the neutron transport equation on three-dimensional Cartesian grids using the...
{"title":"Efficient and Portable Vectorized Sweep Kernels for the Transport Equation on 3D Cartesian Grids Using the Kokkos Framework","authors":"Gabriel Suau, Ansar Calloo, Rémi Baron, Romain Le Tellier","doi":"10.1080/00295639.2024.2340173","DOIUrl":"https://doi.org/10.1080/00295639.2024.2340173","url":null,"abstract":"This paper describes the implementation of efficient and portable vectorized sweep kernels as part of the resolution of the neutron transport equation on three-dimensional Cartesian grids using the...","PeriodicalId":19436,"journal":{"name":"Nuclear Science and Engineering","volume":"12 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2024-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141515850","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-05-30DOI: 10.1080/00295639.2024.2347730
Shi Zeng
Material losses and gains are generally unavoidable in isotope separation cascades because of air leakage into the cascade and chemical reactions of the materials in contact with the process gas. B...
{"title":"The Q-cascade Theory with Material Losses and Gains","authors":"Shi Zeng","doi":"10.1080/00295639.2024.2347730","DOIUrl":"https://doi.org/10.1080/00295639.2024.2347730","url":null,"abstract":"Material losses and gains are generally unavoidable in isotope separation cascades because of air leakage into the cascade and chemical reactions of the materials in contact with the process gas. B...","PeriodicalId":19436,"journal":{"name":"Nuclear Science and Engineering","volume":"5 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2024-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141515851","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-05-28DOI: 10.1080/00295639.2024.2340184
A. Rispo, X. Doligez, S. Ravaux, C. Trakas
Most of the neutronic core calculation schemes used by industrialists for nuclear reactor studies are based on a two-step deterministic scheme: A two-dimensional transport calculation at the assemb...
{"title":"Axial Power Distribution Using Improved Axial Reflector Constants Calculation","authors":"A. Rispo, X. Doligez, S. Ravaux, C. Trakas","doi":"10.1080/00295639.2024.2340184","DOIUrl":"https://doi.org/10.1080/00295639.2024.2340184","url":null,"abstract":"Most of the neutronic core calculation schemes used by industrialists for nuclear reactor studies are based on a two-step deterministic scheme: A two-dimensional transport calculation at the assemb...","PeriodicalId":19436,"journal":{"name":"Nuclear Science and Engineering","volume":"2011 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2024-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141515853","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-05-28DOI: 10.1080/00295639.2024.2333088
Johan Cufe, Daniele Tomatis
The Ronen Method (RM) is a nonlinear iterative scheme that demands successive resolutions of the diffusion equation, where local diffusion constants are modified to reproduce more accurate estimate...
{"title":"Study of the Accuracy of the Ronen Method at Material Interfaces","authors":"Johan Cufe, Daniele Tomatis","doi":"10.1080/00295639.2024.2333088","DOIUrl":"https://doi.org/10.1080/00295639.2024.2333088","url":null,"abstract":"The Ronen Method (RM) is a nonlinear iterative scheme that demands successive resolutions of the diffusion equation, where local diffusion constants are modified to reproduce more accurate estimate...","PeriodicalId":19436,"journal":{"name":"Nuclear Science and Engineering","volume":"36 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2024-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141515852","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-05-28DOI: 10.1080/00295639.2024.2340141
Ronja Schönecker, Paolo Bianchini, Frederic Thomas, Yoann Calzavara, Winfried Petry, Christian Reiter
Taillefer is a versatile Python tool for carrying out Sensitivity Analysis (SA) and uncertainty propagation (UP) studies based on Monte Carlo sampling. Developed with the primary goal of investigat...
{"title":"Taillefer—A Tool for Sensitivity Analysis and Uncertainty Propagation Studies for Steady-State Thermal-Hydraulic Simulations of Involute Fuel Element Research Reactors","authors":"Ronja Schönecker, Paolo Bianchini, Frederic Thomas, Yoann Calzavara, Winfried Petry, Christian Reiter","doi":"10.1080/00295639.2024.2340141","DOIUrl":"https://doi.org/10.1080/00295639.2024.2340141","url":null,"abstract":"Taillefer is a versatile Python tool for carrying out Sensitivity Analysis (SA) and uncertainty propagation (UP) studies based on Monte Carlo sampling. Developed with the primary goal of investigat...","PeriodicalId":19436,"journal":{"name":"Nuclear Science and Engineering","volume":"49 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2024-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141515854","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-05-08DOI: 10.1080/00295639.2024.2340171
Sungmoon Joo
This study introduces a novel framework for the robotic decommissioning of nuclear facilities, that focuses on object classification and six degrees of freedom pose estimation from partial-view thr...
{"title":"Toward Robotic Nuclear Decommissioning: Deep Learning-Based Object Classification and Pose Estimation from Partial-View Scans","authors":"Sungmoon Joo","doi":"10.1080/00295639.2024.2340171","DOIUrl":"https://doi.org/10.1080/00295639.2024.2340171","url":null,"abstract":"This study introduces a novel framework for the robotic decommissioning of nuclear facilities, that focuses on object classification and six degrees of freedom pose estimation from partial-view thr...","PeriodicalId":19436,"journal":{"name":"Nuclear Science and Engineering","volume":"96 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2024-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140933571","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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