Results 11 to 20 of about 4,122 (158)
Key factors affecting the thermal performance of annular fuel elements in LFR
He jishu, 2021 BackgroundThe key factors affecting the thermal performance of the lead-cooled fast reactor (LFR) annular fuel are very important to improve the core power density of LFR.PurposeThis study aims to analyze those key factors and provide guidance for ...
WANG Yuxuan +5 more
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Core design and neutronic study on small reactor with advanced fuel designs
Nuclear Materials and Energy, 2021 After the Fukushima nuclear accident in Japan in 2011, the demand for new and innovative nuclear reactor technologies is increasing. The present work implements potential Accident Tolerant Fuels (ATF), U3Si2-FeCrAl, and innovative fuel designs, annular ...
Zhaozhan Zhang +5 more
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Nuclear Engineering and Technology, 2021 Dual-cooled annular fuel allows a significant increase in power density while maintaining or improving safety margins. However, the dual-cooled design brings much higher Zircaloy charge in reactor core, which could cause a great threaten of hydrogen ...
Yangbin Deng +7 more
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International Journal of Advanced Nuclear Reactor Design and Technology, 2022 Radial fuel relocation due to fuel fragmentation can significantly change the heat split, further affecting the thermal performance and safety of dual-cooled annular fuels.
Yangbin Deng, Zijian Xu, Yuan Yin
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Neutronic and Thermalhydraulic Evaluation of Annular Fuel in PWR with Three Different Nanofluids
Sakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2022 In pressurized nuclear reactors, one of the fuel design principles is the fuel centerline temperature limit. Since the thermal conductivity of UO2 is not high, the temperature increases rapidly from the fuel surface to the fuel center.
Ali Tiftikçi
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Thermal-hydraulic analysis method for the annular fuel structure of lead-bismuth reactor
He jishu, 2021 BackgroundAnnular fuel can significantly increase the power density of the lead-bismuth reactor core, which is of great significance to realize miniaturized design of the reactor and fuel economy improvement.PurposeThis study aims to develop an annular ...
WANG Ting +4 more
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Neutronics calculation of the conceptual TRISO duplex fuel rod design
Nuclear Materials and Energy, 2021 The duplex fuel pellet includes UO2 components as seed and ThO2 blanket, originally designed to increase the breeding rate of fissile materials in light water breeder reactors. However, the seed portion alone concentrates most of the energy released from
Mohamad Hairie Rabir +2 more
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Frontiers in Energy Research, 2022 The annular fuel has dual-cooled surfaces internally and externally. Compared with traditional cylindrical fuel, the inner flow field is introduced on the annular fuel assembly, and wire-wrapped can influence the inner flow field.
Yuefeng Guo +10 more
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RESONANCE CALCULATION BASED ON THE GLOBAL-LOCAL METHOD FOR THE COMPLEX GEOMETRY PROBLEMS [PDF]
EPJ Web of Conferences, 2021 With the development of nuclear reactor, new complicated designs introduce some challenges for the resonance method in the NECP-X code, which is called as the Global-Local method. There are two limitations of the present NECP-X.
Cao Lu +3 more
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He jishu, 2023 BackgroundThe annular fuel has a closely arranged structure, and the coolant flow at both the gap between the stringers and the near wall surface is small, which is unfavorable to the coolant mixing between the subchannels and the uniform circumferential
ZENG Fulin +3 more
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