HEAVY WATER MODERATED POWER REACTORS PROGRESS REPORT, SEPTEMBER 1961

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At the end of September l961, construction of the Heavy Water Components Test Reactor was about 90% complete. Thirty-two compacted tubes of crushed, fused uranium oxide in Zircaloy sheaths were fabricated for irradiation tests and destructive evaluation. lrradiation tests of the tubes were started in the Vallecitos Boiling Water Reactor and at Savannah River. The fabrication process for the tubes included steps designed to exclude hydrogenous material from the oxide cores, thereby eliminating the probable cause of sheath failures in previous irradiations. Additional experimental data on heat transfer burnout of tubes in subcooled water at pressures of about 100 to … continued below

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21 pages

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Hood, R.R. comp. November 1, 1961.

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At the end of September l961, construction of the Heavy Water Components Test Reactor was about 90% complete. Thirty-two compacted tubes of crushed, fused uranium oxide in Zircaloy sheaths were fabricated for irradiation tests and destructive evaluation. lrradiation tests of the tubes were started in the Vallecitos Boiling Water Reactor and at Savannah River. The fabrication process for the tubes included steps designed to exclude hydrogenous material from the oxide cores, thereby eliminating the probable cause of sheath failures in previous irradiations. Additional experimental data on heat transfer burnout of tubes in subcooled water at pressures of about 100 to 1000 psi showed that the burnout heat flux is not affected significantiy by pressure in this range. The data were correlated in terms of water velocity and subcooling. (auth)

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21 pages

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Other Information: Orig. Receipt Date: 31-DEC-62

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  • November 1, 1961

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  • Jan. 22, 2018, 7:23 a.m.

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  • Nov. 23, 2024, 2:23 a.m.

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Hood, R.R. comp. HEAVY WATER MODERATED POWER REACTORS PROGRESS REPORT, SEPTEMBER 1961, report, November 1, 1961; United States. (https://digital.library.unt.edu/ark:/67531/metadc1054866/: accessed May 16, 2025), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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