Results 11 to 20 of about 8,242 (166)
Nihon Kikai Gakkai ronbunshu, 2019 The reactor pressure vessel is made of ferritic low alloy steel, which has fracture behaviors that include ductile to brittle transition temperature and decrease of fracture toughness in the beltline region of the reactor pressure vessel steel due to ...
Takatoshi HIROTA, Kentaro YOSHIMOTO
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Analysis of the flow distribution and mixing characteristics in the reactor pressure vessel
Nuclear Engineering and Technology, 2021 The analysis of the fluid flow characteristics in reactor pressure vessel is an important part of the hydraulic design of nuclear power plant, which is related to the structure design of reactor internals, the flow distribution at core inlet and the ...
L.L. Tong, L.Q. Hou, X.W. Cao
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Remote Monitoring of Equipment in Small Modular Reactors
Chemical Engineering Transactions, 2013 Small Modular Reactors (SMR) are being developed by several vendors for remote deployment and for small grid applications. These reactors have the additional advantage of load-following, process heat application, and improved safeguards features.
B. Upadhyaya +3 more
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Nuclear Engineering and Technology, 2022 This paper presents fracture mechanics analysis results for various cracks located at pressurized water reactor pressure vessel nozzle crotch corners taking into consideration constraint effect. Technical documents such as the ASME B&PV Code, Sec.XI were
Jong-Sung Kim +5 more
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WWER-1000 core loading characteristic influence on irradiation conditions of surveillance specimens and reactor pressure vessel [PDF]
Ядерна фізика та енергетика, 2009 Irradiation conditions of WWER-1000 surveillance specimens and reactor pressure vessel are comparative analyzed for various core loadings. It is proved that the fluences onto specimens don't correlate with ones onto pressure vessel.
V. N. Bukanov +4 more
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Numerical simulation on heat transfer in RPV lower head corium pools
He jishu, 2022 BackgroundIn-vessel Retention (IVR) refers to the prevention of pressure vessel melt-through failure by injecting cooling water into the gap between the pressure vessel and the heat insulation layer during a serious accident in a nuclear power plant ...
ZHU Guangyu +4 more
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Process of Air Ingress during a Depressurization Accident of GTHTR300
Science and Technology of Nuclear Installations, 2018 A depressurization accident is the design-basis accidents of a gas turbine high temperature reactor, GTHTR300, which is JAEA’s design and one of the Very-High-Temperature Reactors (VHTR).
Tomoya Shiga +2 more
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Modernized surveillance program of the VVER-1000 reactor pressure vessel metal of the Ukrainian NPP unit [PDF]
Ядерна фізика та енергетикаThe surveillance program is an important source of information on the change in the properties of the metal of the water-water power reactor pressure vessel during operation.
O. V. Grytsenko +8 more
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Frontiers in Energy Research, 2022 According to the structural characteristics of a steam generator and a reactor pressure vessel, the reactor primary circuit system of HPR1000 is simplified to make the reactor coolant pump (RCP) characteristics match the resistance characteristics of the
Dong-hao Li +5 more
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He jishuBackgroundDuring severe reactor accidents, melten core causes the radioactive source term material to be no longer retained in the fuel but is released into the environment, causing serious radioactive contamination in the surrounding areas.PurposeThis ...
YUAN Xianbao +6 more
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