Uncertainty in calculated surface temperature and surface heat flux of THTF heater rods
Technical Report
·
OSTI ID:5407983
This report presents a procedure for determining the uncertainty in the output of a complex computer code resulting from uncertainties in its input variables. This method is applied to ORINC (Oak Ridge Inverse Code) to estimate the uncertainty in the calculated surface temperature and surface heat flux of a THTF heater during a blowdown transient. The significant input variables are identified and 95% confidence bands are calculated for the code outputs based on the uncertainty in these input variables. 21 refs., 43 figs.
- Research Organization:
- Oak Ridge Gaseous Diffusion Plant, TN (USA)
- DOE Contract Number:
- AC05-84OR21400
- OSTI ID:
- 5407983
- Report Number(s):
- NUREG/CR-1211; ORNL/NUREG/CSD/TM-12; ON: TI85015845
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
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REACTOR ACCIDENTS
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WATER COOLED REACTORS
WATER MODERATED REACTORS
210200 -- Power Reactors
Nonbreeding
Light-Water Moderated
Nonboiling Water Cooled
22 GENERAL STUDIES OF NUCLEAR REACTORS
220900* -- Nuclear Reactor Technology-- Reactor Safety
ACCIDENTS
BLOWDOWN
COMPUTER CALCULATIONS
DATA COVARIANCES
DENSITY
ENERGY TRANSFER
FLUID MECHANICS
FUEL ELEMENTS
FUEL RODS
HEAT FLUX
HEAT TRANSFER
HYDRAULICS
LOSS OF COOLANT
MECHANICS
PHYSICAL PROPERTIES
PWR TYPE REACTORS
REACTOR ACCIDENTS
REACTOR COMPONENTS
REACTORS
SPECIFIC HEAT
TEMPERATURE DEPENDENCE
TEST FACILITIES
THERMAL CONDUCTIVITY
THERMODYNAMIC PROPERTIES
TRANSIENTS
WATER COOLED REACTORS
WATER MODERATED REACTORS