New generation enrichment monitoring technology for gas centrifuge enrichment plants

We report our progress toward development of new generation on-line enrichment monitoring technology for UF 6 gas centrifuge plants based on a transmission source and a NaI spectrometer. We use an X-ray tube with transmission filters instead of a decaying isotopic transmission source to eliminate th...

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Bibliographic Details
Main Authors: Ianakiev, K. D., Alexandrov, B. S., Boyer, B. D., Hill, T. R., MacArthur, D. W., Marks, T. A., Moss, C. E., Nolen, B. P., Paffett, M.T., Sheppard, G. A., Swinhoe, M.T.
Format: Conference Proceeding
Language:English
Subjects:
Attenuation
Calibration
Density measurement
Filters
Instruments
Laboratories
Monitoring
Spectroscopy
Telephony
Testing
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Summary:We report our progress toward development of new generation on-line enrichment monitoring technology for UF 6 gas centrifuge plants based on a transmission source and a NaI spectrometer. We use an X-ray tube with transmission filters instead of a decaying isotopic transmission source to eliminate the costly replacement of this source. The UF 6 gas density measurement is based on the energy dependency of the mass attenuation for two characteristic X-ray lines generated by the transmission filters. An analytical expression for the UF 6 density is derived and criteria for the selection of transmission energies are discussed. Because of the differential method of measurement, the UF 6 gas density does not depend on the intensity of the X-ray source. We describe a design of a sealed UF 6 gas test stand for development testing and calibration of various on-line enrichment monitoring instruments. The sealed source is intended to replace a UF 6 gaseous loop currently used for calibration.
ISSN:1082-3654
2577-0829
DOI:10.1109/NSSMIC.2008.4775001