REACTOR SAFETY QUARTERLY PROGRESS REPORT FOR JANUARY-MARCH 1957

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ABS>Seven special safety elements of the Mark II design were rebuilt and are ready for resumption of lifetime testing. Precision-cast parts were received for ten Mark IV highpressure chambers; one set was assembled and pressdre tested to 2000 psi. Two special assemblies of the NAA 1093 experiment were completed and are being shipped to Hanford. Conductivity measurements on stainles s steel were continued in an effort to determine the cause of erratic behavior of the variable-cooled trigger. A vacuum chamber was used in am effort to eliminate local heat loss due to convection. A study of corrosion rates of various ... continued below

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Miller, N.C. ed. December 1, 1957.

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Description

ABS>Seven special safety elements of the Mark II design were rebuilt and are ready for resumption of lifetime testing. Precision-cast parts were received for ten Mark IV highpressure chambers; one set was assembled and pressdre tested to 2000 psi. Two special assemblies of the NAA 1093 experiment were completed and are being shipped to Hanford. Conductivity measurements on stainles s steel were continued in an effort to determine the cause of erratic behavior of the variable-cooled trigger. A vacuum chamber was used in am effort to eliminate local heat loss due to convection. A study of corrosion rates of various container materials in liquid-metal poisons was umdertaken. Experiments with the differential-pressure device on the rate of pressure rise thnt can be achieved by electrically heating a closed gas volume were continued. An exponential generator is being constructed to enable simulation of reactor periods from 30 msec to one sec. Three types of research reactor safety device were chosen for further study: the pyrophoric, the double-diaphragm, and the electronic-explosive. Preparations are in process for demonstrating models of the latter two devices in the KEWB facility. (For preceding period see NAA-SR1954.) (M.H.R.)

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  • Other Information: Orig. Receipt Date: 31-DEC-58

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  • Report No.: NAA-SR-2157
  • Grant Number: AT-11-1-GEN-8
  • DOI: 10.2172/4309426 | External Link
  • Office of Scientific & Technical Information Report Number: 4309426
  • Archival Resource Key: ark:/67531/metadc1026052

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Office of Scientific & Technical Information Technical Reports

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  • December 1, 1957

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  • Oct. 15, 2017, 10:09 p.m.

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Miller, N.C. ed. REACTOR SAFETY QUARTERLY PROGRESS REPORT FOR JANUARY-MARCH 1957, report, December 1, 1957; United States. (digital.library.unt.edu/ark:/67531/metadc1026052/: accessed November 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.