FLUZ - A Computer Code for Analyzing the Reactor Response to Small Reactivity Oscillations
- General Electric Co., San Jose, CA (United States)
One method of demonstrating the stability of a power reactor is to impress the critical reactor with a sinusoidal oscillating reactivity and measure its power response as a function of frequency. The computer code FLUZ synthesizes such a test for oscillations of small amplitudes. The same technique may be used to experimentally measure different coefficients of reactivity of a given reactor. By varying the period of the impressed reactivity it is possible to change, due to finite heat transfer times, the relative importance of various reactivity feedback mechanisms, such as the fuel Doppler effect or coolant density.
- Research Organization:
- General Electric Co., San Jose, CA (United States)
- Sponsoring Organization:
- US Atomic Energy Commission (AEC); USDOE National Nuclear Security Administration (NNSA), Nuclear Criticality Safety Program (NCSP)
- NSA Number:
- NSA-19-038124
- OSTI ID:
- 4584974
- Report Number(s):
- GEAP--4580
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
22 GENERAL STUDIES OF NUCLEAR REACTORS
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
CANNING
COATING
COMPUTERS
CONFIGURATION
COOLANTS
CYLINDERS
Coolant
Criticality Studies
DENSITY
DISTRIBUTION
DOPPLER EFFECT
FLUID FLOW
FREQUENCY
FUEL ELEMENTS
FUELS
HEAT TRANSFER
INTERACTIONS
Kinetics equation
LATTICES
MEASURED VALUES
NUMERICALS
Neutron
Nuclear Criticality Safety Program (NCSP)
POWER
PROGRAMMING
PROMPT NEUTRONS
REACTIVITY
REACTORS
RODS
SPECTRAL SHIFT
STABILITY
TEMPERATURE
TRANSFER FUNCTIONS
VARIATIONS
ZONES
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
CANNING
COATING
COMPUTERS
CONFIGURATION
COOLANTS
CYLINDERS
Coolant
Criticality Studies
DENSITY
DISTRIBUTION
DOPPLER EFFECT
FLUID FLOW
FREQUENCY
FUEL ELEMENTS
FUELS
HEAT TRANSFER
INTERACTIONS
Kinetics equation
LATTICES
MEASURED VALUES
NUMERICALS
Neutron
Nuclear Criticality Safety Program (NCSP)
POWER
PROGRAMMING
PROMPT NEUTRONS
REACTIVITY
REACTORS
RODS
SPECTRAL SHIFT
STABILITY
TEMPERATURE
TRANSFER FUNCTIONS
VARIATIONS
ZONES