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International Journal of Nuclear Knowledge Management最新文献

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Overview of reactor pressure vessel cladding 反应堆压力容器包壳概述
International Journal of Nuclear Knowledge Management Pub Date : 2010-11-24 DOI: 10.1504/IJNKM.2010.037070
F. Gillemot
{"title":"Overview of reactor pressure vessel cladding","authors":"F. Gillemot","doi":"10.1504/IJNKM.2010.037070","DOIUrl":"https://doi.org/10.1504/IJNKM.2010.037070","url":null,"abstract":"Licence extension of NPPs requires a new safety analysis of the plant covering the extended operating life. One of the most important safety considerations is the integrity of the RPV (Reactor Pressure Vessels). The RPV material suffers several ageing-related effects during operating service: neutron (and gamma) irradiation embrittlement, thermal ageing, low-cycle fatigue, thermal fatigue and corrosion. Generally, the most severe effects are irradiation and the thermal embrittlement of the RPV belt near the fuel core zone, which is often referred to as the beltline. Nearly all operating RPVs are covered inside with a stainless steel layer called RPV cladding. The RPV cladding generally made by welding results in very rough grain size and its mechanical and thermal properties are different from the RPV base material, causing high residual stresses. The thickness of RPV cladding is 2?10 mm. Since the RPV cladding was previously considered only as an anticorrosive layer the mechanical properties and the role in the RPV integrity were not properly studied. In this review, the existing relevant informations on RPV cladding properties are summarised.","PeriodicalId":188437,"journal":{"name":"International Journal of Nuclear Knowledge Management","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127311170","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
Assessment of a Collection of Papers on Property-Property Correlations in the Field of Radiation Embrittlement of WWER Reactor Pressure Vessel Steels WWER反应堆压力容器钢辐射脆化领域性能-性能相关性论文集的评价
International Journal of Nuclear Knowledge Management Pub Date : 2010-11-24 DOI: 10.1504/IJNKM.2010.037075
A. Ballesteros, Marta Serrano, M. Brumovsky
{"title":"Assessment of a Collection of Papers on Property-Property Correlations in the Field of Radiation Embrittlement of WWER Reactor Pressure Vessel Steels","authors":"A. Ballesteros, Marta Serrano, M. Brumovsky","doi":"10.1504/IJNKM.2010.037075","DOIUrl":"https://doi.org/10.1504/IJNKM.2010.037075","url":null,"abstract":"Nuclear Knowledge Management (NKM) tools continue to be enhanced to support information exchange and knowledge distribution. New tools for supporting NKM were initiated by international organisations, including a web-based knowledge portal, ODIN, developed by the JRC of the European Commission. This portal is dedicated to knowledge preservation and consolidation and includes a nuclear database where papers on WWERs are collected and electronically stored. A collection of around 100 papers selected from the ODIN database on property?property correlations for irradiated reactor pressure vessel steels has been reviewed in order to have a clear picture of the advances achieved so far in this field, and to determine existing gaps and open issues. It allows identifying research activities needed, as described in this paper. The review performed focuses on two main areas, namely non-destructive examination of the embrittlement condition and fracture and Charpy toughness determination, including specimens size and constrain issues.","PeriodicalId":188437,"journal":{"name":"International Journal of Nuclear Knowledge Management","volume":"130 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124282599","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Knowledge survey based on published works in the area of WWER reactor pressure vessel steels microstructure 基于WWER反应堆压力容器钢微观结构领域已发表著作的知识调查
International Journal of Nuclear Knowledge Management Pub Date : 2010-11-24 DOI: 10.1504/IJNKM.2010.037074
V. Slugen
{"title":"Knowledge survey based on published works in the area of WWER reactor pressure vessel steels microstructure","authors":"V. Slugen","doi":"10.1504/IJNKM.2010.037074","DOIUrl":"https://doi.org/10.1504/IJNKM.2010.037074","url":null,"abstract":"The effects of intensive fluxes of neutrons, thermal ageing or other external factors result in considerable changes of material microstructures and properties. In particular, the development of the fine scale radiation-induced defects which impede the dislocation motion under the applied stress, known as the irradiation embrittlement, leads to mechanical properties degradation which can results to the partial loss of plasticity and to the increase of brittle fracture. Defects are formed from vacancies and interstitials created in collision cascaded processes. With the aim to reveal processes connected to WWER pressure vessel steel degradation, the importance of experimental microstructural studies was accented in many comprehensive works during the last 40 years. Many of these investigations resulted in valuable findings used worldwide. This paper is focused on the survey of knowledge extracted from relevant papers in area WWER steel microstructure selected by group of experts in frame of EC framework projects 'Nuclear Knowledge Preservation & Consolidation' coordinated by JRC Petten.","PeriodicalId":188437,"journal":{"name":"International Journal of Nuclear Knowledge Management","volume":"105 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131376614","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Method Used for Consolidating WWER Reactor Pressure Vessel Embrittlement Knowledge 巩固WWER反应堆压力容器脆化知识的方法
International Journal of Nuclear Knowledge Management Pub Date : 2010-11-24 DOI: 10.1504/IJNKM.2010.037071
U. V. Estorff, L. Debarberis
{"title":"The Method Used for Consolidating WWER Reactor Pressure Vessel Embrittlement Knowledge","authors":"U. V. Estorff, L. Debarberis","doi":"10.1504/IJNKM.2010.037071","DOIUrl":"https://doi.org/10.1504/IJNKM.2010.037071","url":null,"abstract":"Owing to the worldwide 'Climate Change' discussions in recent years, nuclear energy production has become again an option to be considered. Therefore, new collaboration initiatives were set up, amongst which the European Nuclear Energy Forum (ENEF) and the Sustainable Nuclear Energy Technology Platform (SNE-TP), who have recognised the need for preserving, consolidating and disseminating nuclear knowledge, in order to make it easily accessible to future generations. The IE has developed a method for consolidation of nuclear knowledge. The method relies on the mobilisation of all identified leading experts in the EU in re-evaluating old knowledge and consolidating what is necessary to create training materials for the new generations. This method was applied for a pilot study for consolidating and preserving WWER RPV safety-related knowledge. This paper is focused on a description of the methodology, the experience gained and lessons learnt from the pilot exercise.","PeriodicalId":188437,"journal":{"name":"International Journal of Nuclear Knowledge Management","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131245993","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Role of Chemical Composition in WWER RPV Irradiation Embrittlement 化学成分在WWER RPV辐照脆化中的作用
International Journal of Nuclear Knowledge Management Pub Date : 2010-11-24 DOI: 10.1504/IJNKM.2010.037073
A. Kryukov, L. Debarberis, U. V. Estorff, F. Gillemot
{"title":"The Role of Chemical Composition in WWER RPV Irradiation Embrittlement","authors":"A. Kryukov, L. Debarberis, U. V. Estorff, F. Gillemot","doi":"10.1504/IJNKM.2010.037073","DOIUrl":"https://doi.org/10.1504/IJNKM.2010.037073","url":null,"abstract":"The main chemical elements influencing WWER RPV steel radiation embrittlement are copper, phosphorus, nickel and manganese. Copper and phosphorus are the main influencing elements for WWER-440 RPVs. The influence of copper is implemented in the forming of nanocluster centres rounded by other elements which are the effective barriers to dislocation movements. Phosphorus segregates inside the grains, interacting with matrix defects and attracted to the Cu-type precipitates. Phosphorus also migrates to grain boundaries through diffusion processes. Due to the higher nickel content and very low copper and phosphorus present in WWER-1000 RPV steel, the main influencing element for this RPV type is nickel. The manganese content also has to be taken into account due to synergism of Ni and Mn. The semi-mechanistic model is based on key embrittlement mechanisms of chemical elements influence: matrix damage, irradiation-induced precipitation and element segregation proposed.","PeriodicalId":188437,"journal":{"name":"International Journal of Nuclear Knowledge Management","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132190826","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
The status and patterns of nuclear education in an anti-nuclear environment, Austria 反核环境下的核教育现状与模式，奥地利
International Journal of Nuclear Knowledge Management Pub Date : 2010-11-17 DOI: 10.1504/IJNKM.2010.036909
R. Khan, H. Böck, M. Villa
{"title":"The status and patterns of nuclear education in an anti-nuclear environment, Austria","authors":"R. Khan, H. Böck, M. Villa","doi":"10.1504/IJNKM.2010.036909","DOIUrl":"https://doi.org/10.1504/IJNKM.2010.036909","url":null,"abstract":"This paper describes the current status and basic patterns of nuclear education in Austria and highlights the Nuclear Knowledge Management (NKM) activities of Atominstitute (ATI) through national and international networks. This institute hosts a TRIGA Mark II research reactor for research, training and education purposes. Austria has no nuclear power plant in operation because of the legislation prohibiting nuclear power production within its boundaries. Therefore, its nuclear education focuses on safety issues, i.e. environmental, health and engineering. This paper presents the increasing trend of students in nuclear subjects since 1995. The atomic institute is playing an active role in NKM through the European Nuclear Education Network (ENEN) association. Being the closest facility to the International Atomic Energy Agency (IAEA) headquarter, it also facilitates the international training and educational activities regarding nuclear science and technology.","PeriodicalId":188437,"journal":{"name":"International Journal of Nuclear Knowledge Management","volume":"84 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134110150","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
The design of an ICT module for radiation protection training purposes 设计用于辐射防护培训的信通技术模块
International Journal of Nuclear Knowledge Management Pub Date : 2010-11-17 DOI: 10.1504/IJNKM.2010.036906
A. Adjerad, S. Bouchama, Brahim Ghoul
{"title":"The design of an ICT module for radiation protection training purposes","authors":"A. Adjerad, S. Bouchama, Brahim Ghoul","doi":"10.1504/IJNKM.2010.036906","DOIUrl":"https://doi.org/10.1504/IJNKM.2010.036906","url":null,"abstract":"The Nuclear Research Center of Algiers (CRNA) organises each year radiation protection training courses to the benefit of such users from both the industrial and the medical fields. The Algerian Atomic Energy Commission (COMENA) has taken active steps towards the incorporation and adoption of ICT-based training modules in nuclear science and technology and related applications. The objective of such courses is mainly to train and sensitise the largest number of persons concerned with this field and improve the quality of such training. In this paper, we propose a solution based on an ICT module to complement and enhance this training. We present the material and the human resources that were required in order to implement such a project. This interactive CD-ROM is being finalised and will be tested on a sample of users.","PeriodicalId":188437,"journal":{"name":"International Journal of Nuclear Knowledge Management","volume":"63 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126870138","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Incident in the Forsmark 1 nuclear power plant in 2006: analysis of communication issues between the plant and the operating company of the power grid 2006年福斯马克1号核电站事故:电厂与电网运营公司沟通问题分析
International Journal of Nuclear Knowledge Management Pub Date : 2010-11-17 DOI: 10.1504/IJNKM.2010.036911
E. Ilina, H. Sundquist
{"title":"Incident in the Forsmark 1 nuclear power plant in 2006: analysis of communication issues between the plant and the operating company of the power grid","authors":"E. Ilina, H. Sundquist","doi":"10.1504/IJNKM.2010.036911","DOIUrl":"https://doi.org/10.1504/IJNKM.2010.036911","url":null,"abstract":"Previous studies of the Forsmark incident from 25 July 2006 emphasised a need to improve integration and communication between the nuclear plants and the operating company of the power grid. This ...","PeriodicalId":188437,"journal":{"name":"International Journal of Nuclear Knowledge Management","volume":"8 3","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132478189","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Incident in the Forsmark 1 nuclear power plant in 2006 and knowledge breakdowns 2006年福斯马克1号核电站事故和知识崩溃
International Journal of Nuclear Knowledge Management Pub Date : 2010-11-17 DOI: 10.1504/IJNKM.2010.036910
E. Ilina, H. Sundquist
{"title":"Incident in the Forsmark 1 nuclear power plant in 2006 and knowledge breakdowns","authors":"E. Ilina, H. Sundquist","doi":"10.1504/IJNKM.2010.036910","DOIUrl":"https://doi.org/10.1504/IJNKM.2010.036910","url":null,"abstract":"The incident in Forsmark nuclear plant in 2006 can be seen not merely as a failure of technology or safety culture but as a failure of knowledge. A previous study of the chain of events that led to ...","PeriodicalId":188437,"journal":{"name":"International Journal of Nuclear Knowledge Management","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115530602","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
The physics of epistemology 认识论的物理学
International Journal of Nuclear Knowledge Management Pub Date : 2010-11-17 DOI: 10.1504/IJNKM.2010.036908
J. Benson
{"title":"The physics of epistemology","authors":"J. Benson","doi":"10.1504/IJNKM.2010.036908","DOIUrl":"https://doi.org/10.1504/IJNKM.2010.036908","url":null,"abstract":"A comprehensive and generalised model of human cognitive processes has been put together by the author based on his research and investigations carried out periodically over an extended period of time. The model is represented by three Venn diagrams. These consist of three fuzzy sets, one representing quantum mechanical processes, one representing pattern recognition processes and one representing digital action processes. These fuzzy sets are variable and overlapping in both horizontal and vertical dimensions depending upon the subject and level of detail being considered at the moment. These overlaps can be considered to be a kind of internal synchronisation of intentions and/or actions for such subjects. Implications from the recent revelations of string theory, which unifies all four of the basic forces of the universe, also imply that the most fundamental processes of the mind, involving emotions, values and beliefs for example, as well as judgement and decision processes could be represented by cons...","PeriodicalId":188437,"journal":{"name":"International Journal of Nuclear Knowledge Management","volume":"544 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115633893","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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