Calibration of a nuclear reactor core parameter predictor

Details Calibration of a nuclear reactor core parameter predictor Calibration of a nuclear reactor core parameter predictor

1986-03-19

1987-12-08

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

With control of reactor

By electronic signal processing circuitry

376215, 364492, G21C 736

Patent

active

047117532

ABSTRACT:
A calibrator for a pressurized water reactor (PWR) core predictor utilizing a distribution expression for the transverse buckling factor, in a one dimensional diffusion model, which has coefficients correlated with overall neutron balance and with a set of power distribution characterization parameters including axial offset, axial pinch, axial quarters and axial fifths. The coefficients are periodically adjusted incrementally one at a time to produce criticality with the model at measured values of rod position, reactor power level, cold leg temperature and boron concentration until the power distribution characterization parameters calculated from a power distribution generated by the model are within preset tolerances of those from a power distribution measurement generated by movable, or if provided, fixed, incore detectors.

REFERENCES:
patent: 4016034 (1977-04-01), Musick
patent: 4055463 (1977-10-01), Torres
patent: 4057463 (1977-11-01), Morita
patent: 4080251 (1978-03-01), Musick
patent: 4299657 (1981-11-01), Abenhaim et al.
patent: 4552718 (1985-11-01), Impink
patent: 4637910 (1987-01-01), Impink
Argonne National Laboratory National Energy Software Center: Compilation of Program Abstracts--7411 revised May 1979, cover pp. 241.1, 241.2.

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