FRINK Linked Data Fragments server

Matches in SemOpenAlex for { <https://semopenalex.org/work/W4255188583> ?p ?o ?g. }

• W4255188583 abstract "Pressurized water reactor (PWR) internals components can experience material aging and degradation due to irradiation. The purpose of the functionality analysis is to provide a best-estimate evaluation of the reactor internals core barrel assembly for materials degradation to see if the components retain their function. The evaluation uses an irradiated material-specific constitutive model for use in a finite element analysis [1] representing the current state of knowledge for plasticity, creep, stress relaxation, void swelling, and embrittlement. This constitutive model is a function of temperature and fluence. The analysis focuses on finding the integrated effects of material aging combined with steady-state operational characteristics of the reactor internals. In order to evaluate the potential failure mechanisms of the core barrel assembly, finite element models were developed capable of representing the complex interactions between the components. The goal of this specific analysis is to characterize the potential failure modes, spatial and chronological distribution of potential component failures for a representative model of the Babcock & Wilcox-type (B&W) designed plants. Evaluation of the reactor vessel internals for materials aging degradation involves three analytical calculations. Radiation calculations of the core provide essential information on radiation dose and heat rates of the internals. The computational fluid dynamics domain (CFD) allows evaluation of the internals temperatures through conjugate heat transfer (CHT) analysis coupled with coolant flow. Detailed structural analysis of the internals components and bolted connections is the third major physics field involved, which facilitates the development of operating stress fields within the internals. Structural analysis was performed as two parts. First, a global structural model of the core barrel assembly was used to represent the interaction of components of the core barrel assembly during 60 years of operation. The global model does not include detail of the areas of stress concentration within bolted connections. Therefore local models of selected bolts were developed. Results of both the global and local models were used as a basis for evaluating age-related effects. The description of the functionality analysis for the B&W designed RV internals is divided into three papers. Part I was presented in PVP-2008 [2] and included a description of the overall methodology with special attention to CFD-CHT evaluations. Part II, to be presented at PVP 2009 [2] describes global structural finite element models. Part III, presented in this paper, presents a description of local models of bolted connections, results, and conclusions." @default.
• W4255188583 created "2022-05-12" @default.
• W4255188583 creator A5005410760 @default.
• W4255188583 creator A5023973673 @default.
• W4255188583 creator A5078292909 @default.
• W4255188583 date "2009-01-01" @default.
• W4255188583 modified "2023-10-16" @default.
• W4255188583 title "Materials Aging Degradation of Reactor Vessel Internals: Part III—Structural Evaluation and Local Finite Element Models" @default.
• W4255188583 doi "https://doi.org/10.1115/pvp2009-77784" @default.
• W4255188583 hasPublicationYear "2009" @default.
• W4255188583 type Work @default.
• W4255188583 citedByCount "0" @default.
• W4255188583 crossrefType "proceedings-article" @default.
• W4255188583 hasAuthorship W4255188583A5005410760 @default.
• W4255188583 hasAuthorship W4255188583A5023973673 @default.
• W4255188583 hasAuthorship W4255188583A5078292909 @default.
• W4255188583 hasConcept C116915560 @default.
• W4255188583 hasConcept C127413603 @default.
• W4255188583 hasConcept C135628077 @default.
• W4255188583 hasConcept C138885662 @default.
• W4255188583 hasConcept C141123601 @default.
• W4255188583 hasConcept C147597530 @default.
• W4255188583 hasConcept C149912024 @default.
• W4255188583 hasConcept C159985019 @default.
• W4255188583 hasConcept C179498184 @default.
• W4255188583 hasConcept C185592680 @default.
• W4255188583 hasConcept C192562407 @default.
• W4255188583 hasConcept C21036866 @default.
• W4255188583 hasConcept C2777773879 @default.
• W4255188583 hasConcept C2780406361 @default.
• W4255188583 hasConcept C31555180 @default.
• W4255188583 hasConcept C37750225 @default.
• W4255188583 hasConcept C41895202 @default.
• W4255188583 hasConcept C66938386 @default.
• W4255188583 hasConcept C78519656 @default.
• W4255188583 hasConcept C91914117 @default.
• W4255188583 hasConceptScore W4255188583C116915560 @default.
• W4255188583 hasConceptScore W4255188583C127413603 @default.
• W4255188583 hasConceptScore W4255188583C135628077 @default.
• W4255188583 hasConceptScore W4255188583C138885662 @default.
• W4255188583 hasConceptScore W4255188583C141123601 @default.
• W4255188583 hasConceptScore W4255188583C147597530 @default.
• W4255188583 hasConceptScore W4255188583C149912024 @default.
• W4255188583 hasConceptScore W4255188583C159985019 @default.
• W4255188583 hasConceptScore W4255188583C179498184 @default.
• W4255188583 hasConceptScore W4255188583C185592680 @default.
• W4255188583 hasConceptScore W4255188583C192562407 @default.
• W4255188583 hasConceptScore W4255188583C21036866 @default.
• W4255188583 hasConceptScore W4255188583C2777773879 @default.
• W4255188583 hasConceptScore W4255188583C2780406361 @default.
• W4255188583 hasConceptScore W4255188583C31555180 @default.
• W4255188583 hasConceptScore W4255188583C37750225 @default.
• W4255188583 hasConceptScore W4255188583C41895202 @default.
• W4255188583 hasConceptScore W4255188583C66938386 @default.
• W4255188583 hasConceptScore W4255188583C78519656 @default.
• W4255188583 hasConceptScore W4255188583C91914117 @default.
• W4255188583 hasLocation W42551885831 @default.
• W4255188583 hasOpenAccess W4255188583 @default.
• W4255188583 hasPrimaryLocation W42551885831 @default.
• W4255188583 hasRelatedWork W13319865 @default.
• W4255188583 hasRelatedWork W16618854 @default.
• W4255188583 hasRelatedWork W21108924 @default.
• W4255188583 hasRelatedWork W21252855 @default.
• W4255188583 hasRelatedWork W22650864 @default.
• W4255188583 hasRelatedWork W24962344 @default.
• W4255188583 hasRelatedWork W41497858 @default.
• W4255188583 hasRelatedWork W441922 @default.
• W4255188583 hasRelatedWork W52817392 @default.
• W4255188583 hasRelatedWork W5329474 @default.
• W4255188583 isParatext "false" @default.
• W4255188583 isRetracted "false" @default.
• W4255188583 workType "article" @default.