Zobrazeno 1 - 10
of 146
pro vyhledávání: '"Space nuclear reactor"'
Autor:
Huaping Mei, Dali Yu, Shengqin Ma, Jiansong Zhang, Yongju Sun, Chao Chen, Meisheng He, Haixia Wang, Yang Li, Liang Wang, Taosheng Li, Jie Yu
Publikováno v:
Nuclear Engineering and Technology, Vol 56, Iss 9, Pp 3644-3653 (2024)
Enhancing the capabilities of unmanned space exploration, such as satellite monitoring and space science missions, requires efficient and reliable nuclear power systems. A viable solution is found in the 1–10 kWe power level of space nuclear reacto
Externí odkaz:
https://doaj.org/article/96a98d84d6e64a9b870385635e184237
Publikováno v:
Nuclear Engineering and Technology, Vol 56, Iss 12, Pp 5014-5021 (2024)
Zirconium hydride (ZrH) is an ideal moderator for space nuclear reactors due to its exceptional properties, including high hydrogen content, small neutron absorption cross section, and high operating temperature. The primary goal of this study is to
Externí odkaz:
https://doaj.org/article/66640a8ce22f44e3b4e3a6d3b73b1efa
Publikováno v:
Nuclear Engineering and Technology, Vol 56, Iss 12, Pp 5330-5338 (2024)
The space nuclear reactor cooled by heat pipes has become the preferred choice for future space missions and deep space exploration missions. The use of low-enriched uranium (LEU) is promoted to achieve the goal of nuclear non-proliferation worldwide
Externí odkaz:
https://doaj.org/article/4a49f854251a4145a43f0f3eff3803a2
Publikováno v:
Yuanzineng kexue jishu, Vol 58, Iss 5, Pp 1092-1100 (2024)
The safety rod system is the actuator for reactivity control and nuclear safety protection in Topaz type space nuclear reactors. Due to the uneven distribution of reactor core temperature field during the operation of a Topaz type space nuclear react
Externí odkaz:
https://doaj.org/article/4854b2b5eb0e4f96bb2f0f63c774c31e
Publikováno v:
Yuanzineng kexue jishu, Vol 58, Iss 3, Pp 672-679 (2024)
The performance of space nuclear reactors and spacecraft is significantly influenced by the size and mass of shield, therefore shielding design and optimization are crucial for the development of space nuclear power systems. In this paper, shielding
Externí odkaz:
https://doaj.org/article/6bd950449a0142e1bacdccfc8d162295
Autor:
Yebing Zhang
Publikováno v:
International Journal of Advanced Nuclear Reactor Design and Technology, Vol 5, Iss 2, Pp 53-71 (2023)
Space travel requires propulsion with high specific impulse. Gas core reactors using plasma nuclear fuel operate at high temperature (104-105K) and theoretically produce higher specific impulses (2500-7000s) than solid core nuclear thermal rockets. G
Externí odkaz:
https://doaj.org/article/6173f000a2ff4036a1454ccd546760a1
Publikováno v:
Nuclear Engineering and Technology, Vol 55, Iss 6, Pp 2315-2324 (2023)
Space nuclear reactors are becoming popular in deep space exploration owing to their advantages of high-power density and stability. Following the fourth-generation nuclear reactor technology, a conceptual design of the dual drum-controlled space mol
Externí odkaz:
https://doaj.org/article/75f26098e063444ea047865bb7448420
Publikováno v:
Nuclear Engineering and Technology, Vol 54, Iss 12, Pp 4743-4750 (2022)
Heat pipe cooled nuclear reactor has been a very attractive technical solution to provide the power for deep space applications. In this paper, a 200 kWe space nuclear reactor power design has been proposed based on the combination of an integrated U
Externí odkaz:
https://doaj.org/article/0ab5a0443216462984f362986fb135d5
Akademický článek
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Publikováno v:
Frontiers in Energy Research, Vol 10 (2023)
Thanks to its unique characteristics of high power-to-mass ratio, shallow reactivity poisoning, and quick response to reactivity control, power supply system based on lithium-cooled space nuclear reactor is preferred for various exploration missions
Externí odkaz:
https://doaj.org/article/f8d0c274f7144276900c627552a737f4