IMPROVEMENTS IN OR RELATING TO NUCLEAR REACTORS
A carbon dioxide cooled reactor which provides means for comparing the general carbon monoxide content of the coolant with the carbon monoxide contant of coolant emerging from selected channels is described. A fire may be detected by comparing the carhon monoxide content of the two samples. The reactor consists of a containment vessel, a moderator within the vessel, fuel element channels defined by the moderator. a multiselection valve, sampling pipes leading from the fuel element channels to the inlets of the multiselection valve, a differential infrared gas analyzer of the type having a reference tube and a sample tube, a pipe connection from the outlets of the valve to the sample tube of the infrared gas analyzer, a further sampling pipe from the containment vessel to the reference tube of the infrared gas analyzer, exit pipes from the sample tube and the reference tube, and a common pipe connecting with the exit pipes and the containment vessel. (N.W.R.)
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-15-024563
- OSTI ID:
- 4025419
- Report Number(s):
- GB 871726
- Country of Publication:
- United Kingdom
- Language:
- English
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