Zobrazeno 1 - 10
of 687
pro vyhledávání: '"Residual heat"'
Publikováno v:
Yuanzineng kexue jishu, Vol 9, Iss 58, Pp 1825-1832 (2024)
The investigation of frictional pressure drops in wire-wrapped bundles at low flow velocities is crucial for thermal-hydraulic studies of sodium-cooled fast reactor cores. This study aims to refine empirical formulas for predicting friction factors i
Externí odkaz:
https://doaj.org/article/dd5946cae1774ba1a4379d4daf6f6b6c
Publikováno v:
Nuclear Engineering and Technology, Vol 56, Iss 8, Pp 3286-3297 (2024)
Traditional text-based system engineering, which has been used in the design and application of passive residual heat removal system (PRHRS) for lead-cooled fast reactors, is prone to several problems such as low development efficiency, long iteratio
Externí odkaz:
https://doaj.org/article/12a27f822a6041c69e4b7cde226dfbc8
Publikováno v:
He jishu, Vol 47, Iss 1, Pp 115-123 (2024)
BackgroundA heat pipe reactor is ideal for underwater unmanned vehicles (UUV) because it is simple, is compact, and has high inherent safety.PurposeA passive residual heat removal system that uses natural circulation to cool the adiabatic section of
Externí odkaz:
https://doaj.org/article/6073e6c1e62e46139b041cb4b1418e1a
Autor:
Geng Yiwa, Liu Xiongbin, Li Ziyi, Huang Shuliang, Zhou Lanyu, Xue Yanfang, Li Xiaotian, Zhang Yajun
Publikováno v:
Frontiers in Energy Research, Vol 12 (2024)
NHR-200-II is a small integrated pressurized water reactor with 200 MW core thermal power. The core heat is transferred to two independent intermediate circuits via fourteen in-vessel primary heat exchangers (PHE), and the heat in the intermediate ci
Externí odkaz:
https://doaj.org/article/ca74f91dec0c4d95bf60f4260ca6522c
Publikováno v:
Nuclear Engineering and Technology, Vol 55, Iss 12, Pp 4335-4349 (2023)
Nuclear marine propulsion has been emerging as a next generation carbon-free power source, for which proper passive residual heat removal systems (PRHRSs) are needed for long-term safety. In particular, the characteristics of unlimited operation time
Externí odkaz:
https://doaj.org/article/0c2a46171fb7479e98a9fe9f3d0f63ea
Publikováno v:
International Journal of Naval Architecture and Ocean Engineering, Vol 16, Iss , Pp 100588- (2024)
As international maritime trade among countries increases, great efforts are being made to reduce the amount of greenhouse gases emitted from ships using conventional fossil fuels. A variety of environment-friendly power sources for ships are being c
Externí odkaz:
https://doaj.org/article/a2e5931f7d52423eaba899b63224b0d1
Autor:
Pengzheng LI, Yongquan LI, Dongbao ZHU, Chunping TIAN, Shaoyou LIU, Yucheng WANG, Cheng WANG, Chunxu WANG
Publikováno v:
Zhongguo Jianchuan Yanjiu, Vol 18, Iss 3, Pp 237-244 (2023)
ObjectivesThe heat transfer characteristics of steam condensation in a passive residual heat removal system heat exchanger (PRHR HX) are among the most important factors affecting the operational capability of marine nuclear power platform PRHR syste
Externí odkaz:
https://doaj.org/article/b6eaf45006eb4a49a7cf56dfc943c62c
Publikováno v:
Nuclear Engineering and Technology, Vol 55, Iss 6, Pp 2088-2095 (2023)
The safety of nuclear installations is largely determined by the tightness of fuel elements cladding. As the Fukushima nuclear accident showed, the main task in case of loss of power supply is to ensure reliable removal of residual heat release from
Externí odkaz:
https://doaj.org/article/b9968051f75e4cb797ef3483562b8ab9
Publikováno v:
He jishu, Vol 47, Iss 4, Pp 040602-040602 (2024)
BackgroundTraditional text-based system engineering in the design and application of passive residual heat removal systems (PRHRS) for lead-cooled fast reactors has several requirement problems, such as low development efficiency, a long iteration cy
Externí odkaz:
https://doaj.org/article/8329ffc260e24847a4765d313244c27e
Publikováno v:
International Journal of Advanced Nuclear Reactor Design and Technology, Vol 4, Iss 4, Pp 187-195 (2022)
In order to study the characteristics of small helium-xenon cooled nuclear reactor that only relies on natural circulation to remove residual heat after shutdown, this paper carries out geometric and physical modeling of helium-xenon cooled nuclear r
Externí odkaz:
https://doaj.org/article/9a0377733608437f844e3d91772f270b