Monitoring and analysis

Details Monitoring and analysis Monitoring and analysis

2006-05-09

2006-05-09

Jones, Hugh (Department: 2128)

Data processing: structural design, modeling, simulation, and em

Simulating nonelectrical device or system

C434S370000

Reexamination Certificate

active

07043411

ABSTRACT:
A method and apparatus for monitoring a neutron source are provided, the method comprising: i) providing a plurality of neutron detectors (16) at known positions relative to one another; ii) monitoring the neutron detection rates for the detectors caused by the unknown source(s); iii) proposing a model source location(s) relative to the detectors and an activity level for the model source(s); iv) predicting neutron detection rates for the model source(s); v) comparing the predicted and actual detection rates; vi) adjusting the model source location(s) and/or activity(s) to reduce the difference between the predicted and actual detection rates. The reduced and preferably minimized, difference between the predicted and actual detection rates leads to a model source location(s) and activity(s) which represents an accurate equivalent to the unknown. The location information and/or activity information may be conveyed to the operator of the method.

REFERENCES:
patent: 5423683 (1995-06-01), Hurst et al.
patent: 0 193 937 (1986-09-01), None
Buck et al., “Plutonium Inventory Measurements During Decommissioning Operations,” 1990, Waste Management Conference in Tuscon, Arizona.

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