Program for the Development of Plutonium Recycle for Use in Light Water Moderated Reactors Quarterly Progress Report: July 1 - September 30, 1963

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Description

A research program is being conducted to obtain experimental data in the irradiation of plutonium-enriched fuel to confirm a theoretical model for predicting isotopic composition and reactivity changes in plutonium-enriched, light-water-moderated reactors. Quarterly progress: The densitometry procedure (for measurement of alpha autoradiographs of fuel pellets) has been modified to eliminate the need for a second emulsion. The existence of a problem of latent image fading and non-reciprocity of the high-resolution emulsion has been recognized. A tentative procedure has been worked out to correct these emulsion difficulties. the number of polished pellets has been increased to thirteen. The number of hot … continued below

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iii, 9 pages

Creation Information

Robkin, M. A. October 15, 1963.

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  • Main Title: Program for the Development of Plutonium Recycle for Use in Light Water Moderated Reactors Quarterly Progress Report: July 1 - September 30, 1963
  • Uniform Title: Program for the Development of Plutonium Recycle for Use in Light Water Moderated Reactors...Quarterly Progress Report
  • Added Title: Program for the Development of Plutonium Recycle for Use in Light Water Moderated Reactors Tenth Quarterly Report: July 1 - September 30, 1963
  • Series Title: Atomic Energy Commission Reports
  • Series Title: GEAP (Series)
  • Series Title: General Electric Company Atomic Power Reports
  • Added Title: General Electric Atomic Power Equipment Department Report GEAP-4385

Description

A research program is being conducted to obtain experimental data in the irradiation of plutonium-enriched fuel to confirm a theoretical model for predicting isotopic composition and reactivity changes in plutonium-enriched, light-water-moderated reactors. Quarterly progress: The densitometry procedure (for measurement of alpha autoradiographs of fuel pellets) has been modified to eliminate the need for a second emulsion. The existence of a problem of latent image fading and non-reciprocity of the high-resolution emulsion has been recognized. A tentative procedure has been worked out to correct these emulsion difficulties. the number of polished pellets has been increased to thirteen. The number of hot spots per pellet has not changed appreciably. The largest spot seen is irregular with an estimated volume equivalent to that of a sphere of 35 mil diameter with a PuO2 concentration in the neighborhood of 60%. The VBWR irradiation run now under way is not scheduled to end until October. To the end of the last run the cumulative exposure reached 3703 MWD/T, as logged by VBWR operating personnel. Applying the same scale factor between logged exposure and Ce-Cs analysis of the first fuel sample gives a corrected exposure of 4416 MWD/T. Further debugging of EPITHERMOS, the epithermal extension of the BNL THERMOS code, is in progress. A flux wire exposure is being prepared to map the thermal neutron spectrum in the neighborhood of the test pins in the program fuel element.

Physical Description

iii, 9 pages

Notes

Digitized from microopaque cards.

Prepared under U.S. Atomic Energy Commission Contract AT(04-3)-189 Project Agreement 21 for the Joint U.S.-Euratom Research and Development Program.

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  • Report No.: GEAP-4385
  • Grant Number: AT(04-3)-189 PA 21
  • SuDoc Number: Y 3.At 7:22/GEAP-4385
  • Accession or Local Control No: metadc1201389
  • Archival Resource Key: ark:/67531/metadc1201389

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Technical Report Archive and Image Library

The Technical Report Archive & Image Library (TRAIL) identifies, acquires, catalogs, digitizes and provides unrestricted access to U.S. government agency technical reports. The mission of TRAIL is to ensure preservation, discoverability, and persistent open access to government technical publications regardless of form or format.

TRAIL Microcard Collection

Imaged from microcard, these technical reports describe research performed for U.S. government agencies from the 1930s to the 1960s. The reports were provided by the Technical Report Archive and Image Library (TRAIL).

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  • October 15, 1963

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Added to The UNT Digital Library

  • Aug. 15, 2019, 10:26 p.m.

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  • Sept. 15, 2023, 1:21 a.m.

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Robkin, M. A. Program for the Development of Plutonium Recycle for Use in Light Water Moderated Reactors Quarterly Progress Report: July 1 - September 30, 1963, report, October 15, 1963; San Jose, California. (https://digital.library.unt.edu/ark:/67531/metadc1201389/: accessed June 20, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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