MEASUREMENT OF THE DOPPLER TEMPERATURE EFFECT IN AN EBR-1 TYPE ASSEMBLY
Journal Article
·
· Nuclear Sci. and Eng.
OSTI ID:4242653
A measurement of the Doppler temperature effect was made in the fast spectrum of a mockup of the EBR-I reactor in ZPR-III. The effect was measured by thermal cycling samples of enriched uranium, natural uranium, and plutonium and detecting the small changes in reactivity. The pile oscillation technique using a resonant detector was employed to measure the small oscillating component of the neutron flux. An upper limit of 0.5 x 10/sup -8/ DELTA k/ DELTA T was obtained for a 506-gm sample of U/sup 235/ in the spectrum of in EBR-I mockup, and for a 235-gm sample of Pu/sup 239/ in a plutonium-fueled assembly of the same configuration. The results for natural uranium were inconclusive. (auth)
- Research Organization:
- Argonne National Lab., Lemont, Ill.
- NSA Number:
- NSA-13-015811
- OSTI ID:
- 4242653
- Journal Information:
- Nuclear Sci. and Eng., Journal Name: Nuclear Sci. and Eng. Vol. Vol: 5
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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