Nuclear Engineering and Technology, 2021 Existing elastic analysis methods cannot be adhered to in order to assess the structural integrity of a reactor vessel and internals for a beyond design basis earthquake.
Sang-Jeong Lee +5 more
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MODAL CHARACTERISTIC ANALYSIS OF THE APR1400 NUCLEAR REACTOR INTERNALS FOR SEISMIC ANALYSIS
Nuclear Engineering and Technology, 2014 Reactor internals are sensitive to dynamic loads such as earthquakes and flow induced vibration. Thus, it is essential to identify the dynamic characteristics to evaluate the seismic integrity of the structures.
JONG-BEOM PARK +6 more
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Measurement of vibration and stress for APR-1400 reactor internals
Nuclear Engineering and Technology, 2018 The U.S. Nuclear Regulatory Commission, Regulatory Guide 1.20 needs to perform a comprehensive vibration assessment program for reactor internals during preoperational and startup testing for nuclear power plants and extended power uprate.
Do-Young Ko, Kyu-Hyung Kim
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Pyrolysis characteristics of waste tire particles in fixed-bed reactor with internals
Carbon Resources Conversion, 2018 This study investigated the characteristics of pyrolysis for waste tire particles in the newly developed fixed-bed reactor with internals that are a central gas collection channel mounted inside reactor. And a few metallic plates vertically welded on the
Shipei Xu +8 more
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Deep-Learning and Dynamic Time Warping-Based Approaches for the Diagnosis of Reactor Systems [PDF]
SensorsThe degradation of clamping force in the core support barrel, which forms the internal structure of a nuclear power plant, has the potential to significantly impact the plant’s safety and reliability.
Hoejun Jeong +3 more
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Nuclear Engineering and TechnologyThe U.S. Nuclear Regulatory Commission (NRC) Regulatory Guide (RG) 1.20 provides guidance on the comprehensive vibration assessment program (CVAP) to be performed on reactor internals during pre-operational and startup tests.
Jongsung Moon +3 more
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The role of nickel in forming a structure providing increased service properties of reactor structural materials [PDF]
Nuclear Energy and Technology, 2023 Nickel is an essential alloying element in steels used as structural materials in the most common nuclear power reactors of the VVER type. The paper considers reviews the results of structural studies of traditional and advanced materials of the vessels ...
Evgenia A. Kuleshova +5 more
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A study into the structure and physical properties of the Cr18Ni9-grade steel following long-term irradiation as part of the BN-600 reactor internals * [PDF]
Nuclear Energy and Technology, 2020 The microstructures and physical properties of the austenitic Cr18Ni9-grade steel after 22 and 33 years of operation as part of the reactor internals were tested for assessing the conditions of the BN-600 reactor non-replaceable components (internals ...
Irina A. Portnykh +3 more
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Assessing the degree of plug flow in oxidation flow reactors (OFRs): a study on a potential aerosol mass (PAM) reactor [PDF]
Atmospheric Measurement Techniques, 2018 Oxidation flow reactors (OFRs) have been developed to achieve high degrees of oxidant exposures over relatively short space times (defined as the ratio of reactor volume to the volumetric flow rate).
D. Mitroo +7 more
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Modelling Irradiation Effects in Metallic Materials Using the Crystal Plasticity Theory—A Review
Crystals, 2023 The review starts by highlighting the significance of nuclear power plants in the contemporary world, especially its indispensable role in the global efforts to reduce CO2 emissions.
Karol Frydrych
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