NUCLEAR REACTOR
Patent
·
OSTI ID:4026414
A description is given of a 1000-Mw heavy water moderated boiling reactor. The reactor consists of a pressure shell, a plurality of fuel elements disposed in a geometrical lattice arrangement submerged in a heavy-water coolant moderator within the pressure vessel, and control means. The control means operate in a manner to directly vary the percentage of vapor bubbles in the moderator. The disposition of the fuel elements within the moderator is suitable to yield a neutron multiplication factor greater than unity and a negative reactivity to the core void coefficient. The fuel elements are arranged in groups surrounoing the control tube and they are supported by upper and lower grids. There are means for controlling the heavy water moderator in the control tubes. The fuel loading data, design data, and operating data are tabulated. (N.W.R.)
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-15-024565
- OSTI ID:
- 4026414
- Report Number(s):
- GB 871897
- Country of Publication:
- United Kingdom
- Language:
- English
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