Zobrazeno 1 - 10
of 792
pro vyhledávání: '"fuel rod"'
Publikováno v:
Yuanzineng kexue jishu, Vol 58, Iss 10, Pp 2162-2172 (2024)
The exploration of flow-induced vibration in fuel rods is of utmost importance as it plays a pivotal role in comprehending and mitigating factors that contribute to fuel failure and reactor shutdown. This understanding is crucial for advancing the nu
Externí odkaz:
https://doaj.org/article/4fc099c9202b45c28675d2f91f069471
Publikováno v:
Nuclear Engineering and Technology, Vol 56, Iss 12, Pp 5248-5256 (2024)
This paper presents a CFD modeling approach for a 19-rod bundle fuel assembly with spiral semi-cylindrical ribs, which potentially can be used for liquid metal cooled fast reactor, as well as a numerical simulation of flow and thermal behavior under
Externí odkaz:
https://doaj.org/article/e32236ecd55d4780a1667cdd5c958f32
Publikováno v:
Yuanzineng kexue jishu, Vol 8, Iss 58, Pp 1767-1776 (2024)
Amidst the global expansion of nuclear power generation, ensuring the integrity of nuclear fuel rods is crucial for the safe operation of nuclear power plants. As a vital component of fuel rods, the detection of defects in the end plugs is a key step
Externí odkaz:
https://doaj.org/article/69d3e29bf2ba4de8b736102077d45350
Autor:
WANG Xianbo1,2, ZHAO Fulong1,2, XIE Lin1,2, TIAN Youyou1,2, BAO Hui3, TIAN Ruifeng1,2, TAN Sichao1
Publikováno v:
Yuanzineng kexue jishu, Vol 58, Iss 5, Pp 1060-1068 (2024)
Space power nuclear systems require reactors to have characteristics such as compactness, miniaturization and efficiency. The combination of helium xenon mixture gas and the Brayton cycle is a good choice. Existing research on helium-xenon gas cooled
Externí odkaz:
https://doaj.org/article/526ae747e46c444680be871925aef6e6
Publikováno v:
Успехи физики металлов, Vol 25, Iss 2, Pp 243-275 (2024)
The available literature experimental data on corrosion resistance of traditional and advanced fuel rod cladding materials for water-cooled reactors are summarized. A review of zirconium alloys, which have proven themselves in operation for more than
Externí odkaz:
https://doaj.org/article/f08752f2f5f5492c8105583976b536bf
Key results from examinations of seven high burnup pressurized water reactor spent nuclear fuel rods
Publikováno v:
Frontiers in Nuclear Engineering, Vol 3 (2024)
At present, spent nuclear fuel (SNF) assemblies discharged from US commercial power plants are placed into dry storage following a short cooling time (45 GWd/MTU) SNF rods to address knowledge and data gaps related to extended interim storage and eve
Externí odkaz:
https://doaj.org/article/cd07496fb90d4d57aeedf112f50435de
Publikováno v:
Yuanzineng kexue jishu, Vol 58, Iss 1, Pp 149-156 (2024)
The zirconium alloy cladding of PWR fuel rods which undergo high neutron irradiation during service, will cause significant changes in its microstructure, thereby affecting its macroscopic performance. Therefore, the study of neutron irradiation beha
Externí odkaz:
https://doaj.org/article/2576309bf745469eb4f417f6450d0f8c
Publikováno v:
Frontiers in Energy Research, Vol 12 (2024)
The intricate internal structure of fuel rods results in a non-uniform mass distribution, making it imperative to employ analytical methods for accurate assessment. The study utilizes Euler beam theory to derive the transverse vibration equation for
Externí odkaz:
https://doaj.org/article/6cd2746c3b744d4fba6f6f0f6c441255
Autor:
Stepan Lys, Alexandr Kanyuka
Publikováno v:
Nuclear Materials and Energy, Vol 38, Iss , Pp 101565- (2024)
The operating conditions are analyzed, mechanical characteristics are calculated pertaining to the 4-year cycle fuel rods of VVER-1000. The fuel rod strength characteristics are considered as applied to steady-state and transient conditions of reacto
Externí odkaz:
https://doaj.org/article/2096857cbd184d5c9e495561ac0098f5
Publikováno v:
Nuclear Engineering and Technology, Vol 55, Iss 11, Pp 4295-4306 (2023)
The vibration of fuel rods in axial flow is a universally recognized issue within both engineering and academic communities due to its significant importance in ensuring structural safety. This paper aims to thoroughly investigate the stability and n
Externí odkaz:
https://doaj.org/article/d8523303e8404615845c9778ac00f0f7