RESONANCE ABSORPTION IN Pu$sup 239$ AND ITS EFFECT ON THE TEMPERATURE COEFFICIENT OF IRRADIATED URANIUM RODS
Journal Article
·
· J. Nuclear Energy, Pts. A and B. Reactor Sci. and Technol.
The effective resonance integral for both fission and radiative capture is first calculated for different-sized rods of pure Pu/sup 239/ at various temperatures in a graphite-moderated lattice. Then the contribution from Pu/sup 239/ to the effective resonance integral of irradiated uranium rods in a graphite moderator is evaluated for the same rod sizes and temperatures, concentrations of 0.15 per cent and 0.2 per cent Pu/sup 239/ being considered in turn. The fuel temperature coefficient is estimated nt both concentrations and compared to the temperature coefficient of the same rods- at zero irradiation. The fractional change in fuel temperature coefficient due to Pu/sup 239/ build-up is found to be small, in the absence of any allowance for neutron spectrum distortion in the region of the lowest Pu/sup 239/ resonance, due to neutron thermalization. (auth)
- Research Organization:
- General Electric Co. Ltd., Erith, Kent, Eng.
- NSA Number:
- NSA-15-028522
- OSTI ID:
- 4838312
- Journal Information:
- J. Nuclear Energy, Pts. A and B. Reactor Sci. and Technol., Journal Name: J. Nuclear Energy, Pts. A and B. Reactor Sci. and Technol. Vol. Vol: 14
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
Similar Records
Radial resonance captures in {sup 238}U metal rods and spatial resonance production of {sup 239}Pu in uranium-oxide fuels
TEMPERATURE COEFFICIENT OF REACTIVITY OF CALDER HALL TYPE REACTOR
THE EFFECT OF PLUTONIUM-239 ON THE THERMAL NEUTRON SPECTRUM IN GRAPHITE- MODERATED SYSTEMS
Journal Article
·
Sun Oct 01 00:00:00 EDT 1995
· Nuclear Technology
·
OSTI ID:131653
TEMPERATURE COEFFICIENT OF REACTIVITY OF CALDER HALL TYPE REACTOR
Technical Report
·
Mon Jun 01 00:00:00 EDT 1959
·
OSTI ID:4219100
THE EFFECT OF PLUTONIUM-239 ON THE THERMAL NEUTRON SPECTRUM IN GRAPHITE- MODERATED SYSTEMS
Journal Article
·
Sun Jul 01 00:00:00 EDT 1962
· Atomwirtschaft (West Germany) Changed to ATW, Atomwirtsch., Atomtech.
·
OSTI ID:4798850