Power of the Uranium Plate of Naiade; PUISSANCE DE LA PLAQUE D'URANIUM DE NAIADE
Technical Report
·
OSTI ID:4279340
By knowing the incident current of thermal neutrons, the sources of fast neutrons inside the plate are deduced. The fast flux leading the plate is then determined. Isotropically, 0.57 fast neutrons come out for each incident thermal neutron. The incident thermal flux is measured by means of manganese detectors on reaching the plate and estimated from the flux leaving the graphite The fast flux coming out is measured with dose-rate films. The absorption of the fast flux in the swimming-pool water is measured. The uranium plate is equivalent to a disk placed at its surface emitting isotropically 3.8 x 10/sup 7/ fast neutrons per cm/sup 2//sec, when ZOE operates at 100 kw. This result is valid to about 10%. (auth)
- Research Organization:
- France. Commissariat a l'Energie Atomique, Paris
- NSA Number:
- NSA-13-005119
- OSTI ID:
- 4279340
- Report Number(s):
- CEA-792
- Country of Publication:
- France
- Language:
- English
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Related Subjects
ABSORPTION
DOSEMETERS
EL-1
ERRORS
FAST NEUTRONS
FISSION
FUEL ELEMENTS
GRAPHITE
IRRADIATION
MANGANESE
MATERIALS TESTING
MEASURED VALUES
MULTIPLICATION FACTORS
NEUTRON BEAMS
NEUTRON DETECTION
NEUTRON FLUX
NEUTRON SOURCES
PHOTOGRAPHIC FILM DETECTORS
PLATES
REACTORS
REFLECTORS
RESEARCH REACTORS
SURFACES
THERMAL NEUTRONS
URANIUM
WATER
WATER COOLANT
WATER MODERATOR
DOSEMETERS
EL-1
ERRORS
FAST NEUTRONS
FISSION
FUEL ELEMENTS
GRAPHITE
IRRADIATION
MANGANESE
MATERIALS TESTING
MEASURED VALUES
MULTIPLICATION FACTORS
NEUTRON BEAMS
NEUTRON DETECTION
NEUTRON FLUX
NEUTRON SOURCES
PHOTOGRAPHIC FILM DETECTORS
PLATES
REACTORS
REFLECTORS
RESEARCH REACTORS
SURFACES
THERMAL NEUTRONS
URANIUM
WATER
WATER COOLANT
WATER MODERATOR