HEAVY WATER MODERATED, ORGANIC LIQUID COOLED NUCLEAR REACTOR
In a tank of a nuclear reactor, filled with heavy water at about atmospheric pressure, a plurality of vertical, parallelly arranged tubes are immersed, in which tubes the fuel elements are cooled by an organic liquid. The fuel elements arranged inside the tubes have a tubular shape and the coolant flows down over the outside of the said tubular fuel elements and then rises inside them. The tubes are there fore closed at their lower ends; a specially shaped plunger sliding near the lower end is actuated by a central rod to control individually the circulation inside each tube. The moderator liquid may be thermally insulated from the tubes by providing double-walled tubes and filling the annular space with helium. (NPO)
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-15-010492
- OSTI ID:
- 4095016
- Report Number(s):
- FR 1222856
- Country of Publication:
- France
- Language:
- English
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