Xenon worth calculations for plant operations
Conference
·
· Trans. Am. Nucl. Soc.; (United States)
OSTI ID:6114265
Estimates of xenon worth for nonequilibrium operating histories based on calculations using a point model can be inaccurate due to the spatial distributions of the xenon and neutron flux. The magnitude of the misprediction can be as high as 700 pcm. This misprediction can lead to incorrect reactivity balance calculations for SDM surveillance and ECP calculations. The PC1D program uses a one-dimensional, two-group neutron diffusion model with a variable radial buckling correlation to accurately calculate xenon worth. Accuracy within 10 ppm can be expected for xenon worth calculations using the PC1D program. This will result in improved ECP and SDM surveillance calculations and in most cases will translate into reduced boron processing costs for the utility.
- OSTI ID:
- 6114265
- Report Number(s):
- CONF-881011-
- Conference Information:
- Journal Name: Trans. Am. Nucl. Soc.; (United States) Journal Volume: 57
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
22 GENERAL STUDIES OF NUCLEAR REACTORS
220100* -- Nuclear Reactor Technology-- Theory & Calculation
ACCURACY
BORON
CALCULATION METHODS
COMPUTER CODES
DECAY
DIFFERENTIAL EQUATIONS
ELEMENTS
EQUATIONS
FLUIDS
GASES
GROUP THEORY
HALOGENS
IODINE
KINETICS
MATHEMATICS
NEUTRON DIFFUSION EQUATION
NEUTRON FLUX
NONMETALS
NUCLEAR FACILITIES
NUCLEAR POWER PLANTS
ONE-DIMENSIONAL CALCULATIONS
OPERATION
P CODES
POISONING
POWER DENSITY
POWER PLANTS
RADIATION FLUX
RARE GASES
REACTIVITY WORTHS
REACTOR COMPONENTS
REACTOR CORES
REACTOR KINETICS
REACTOR OPERATION
REACTOR SHUTDOWN
SEMIMETALS
SHUTDOWNS
SURVEILLANCE
THERMAL POWER PLANTS
XENON
XENON OSCILLATIONS
220100* -- Nuclear Reactor Technology-- Theory & Calculation
ACCURACY
BORON
CALCULATION METHODS
COMPUTER CODES
DECAY
DIFFERENTIAL EQUATIONS
ELEMENTS
EQUATIONS
FLUIDS
GASES
GROUP THEORY
HALOGENS
IODINE
KINETICS
MATHEMATICS
NEUTRON DIFFUSION EQUATION
NEUTRON FLUX
NONMETALS
NUCLEAR FACILITIES
NUCLEAR POWER PLANTS
ONE-DIMENSIONAL CALCULATIONS
OPERATION
P CODES
POISONING
POWER DENSITY
POWER PLANTS
RADIATION FLUX
RARE GASES
REACTIVITY WORTHS
REACTOR COMPONENTS
REACTOR CORES
REACTOR KINETICS
REACTOR OPERATION
REACTOR SHUTDOWN
SEMIMETALS
SHUTDOWNS
SURVEILLANCE
THERMAL POWER PLANTS
XENON
XENON OSCILLATIONS