Uranium fission-rate monitors

by B. W Howes

Publisher: Dept. of Energy, Idaho Operations Office, Idaho National Engineering Laboratory, Publisher: for sale by the National Technical Information Service] in [Idaho Falls, Idaho], [Springfield, Va

Written in English
Published: Pages: 19 Downloads: 486
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Subjects:

  • Aluminum-uranium alloys,
  • Nuclear engineering -- Instrumentation,
  • Radioactivity -- Instrumentation

Edition Notes

Statementby B. W. Howes and C. H. Hogg ; edited by J. W. Rogers, EG&G Idaho, Inc. ; prepared for the Department of Energy, Idaho Operations Office ..
SeriesTREE ; 1141
ContributionsHogg, Calvin H., joint author, Rogers, J. W., 1934-, United States. Dept. of Energy. Idaho Operations Office, Idaho National Engineering Laboratory, EG & G Idaho
The Physical Object
Paginationiv, 19 p. :
Number of Pages19
ID Numbers
Open LibraryOL14884407M

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Small traces of plutonium, a few parts per trillion, and its decay products are naturally found in some concentrated ores of uranium, such as the natural nuclear fission reactor in Oklo, Gabon. The ratio of plutonium to uranium at the Cigar Lake Mine uranium deposit ranges from × 10 −12 to 44 × 10 −Pronunciation: /pluːˈtoʊniəm/ ​(ploo-TOH-nee-əm).

@article{osti_, title = {Three-dimensional PDQ validation for calculating core parameters of a uranium-aluminide-fueled test reactor}, author = {Kim, S S and Judd, J L}, abstractNote = {Fission rate monitor measurements and startup testing data recorded during operation of the Advanced Test Reactor (ATR) have been used to validate a three dimensional PDQ full-core.

@article{osti_, title = {Fission rate measurements in fuel plate type assembly reactor cores}, author = {Rogers, J W}, abstractNote = {The methods, materials and equipment have been developed to allow extensive and precise measurement of fission rate distributions in water moderated, U-Al fuel plate assembly type reactor cores.

Fission rate monitors are accurately. Depositional characteristics of uranium tailings from Saskatchewan, Canada Article in Environmental Earth Sciences 72(11) December with 15 Reads How we measure 'reads'. The RBMK was the culmination of the Soviet nuclear power program to produce a water-cooled power reactor with dual-use potential based on their graphite-moderated plutonium production military reactors.

The first of these, Obninsk AM-1 ("Атом Мирный", Atom Mirny, Russian for "Atoms for Peace") generated 5 MW of electricity from 30 MW thermal power, and supplied Generation: Generation II reactor. Specifically, these materials are uranium, uranium, and different isotopes of plutonium.

Other materials, such as americium and neptunium, are technically fissile, but are not typically used in significant quantities in the civilian nuclear power cycle. Rajaraman explained that natural uranium contains less than 1 percent of uranium The application of solid state nuclear track detectors (SSTD) for the determination of the burn-up of spent reactor fuel elements has been investigated.

The results of the SSTD's were compared with two active methods such as fuel element scanning with a. state the fission rate and the number of. radiation monitors that trigger a. scram (automatic disassembly) if the until it was realized that they may behave more like.

Nature’s uncommon elements: plutonium and technetium. The modeling exercise confirmed that the predicted 36 Cl/Cl ratio is highly correlated with the predicted U fission rate. Hence, measured 36 Cl/Cl ratios are excellent in situ monitors of 99 Tc production rates from fission of uranium by:.