Subcritical mass limits for the T-insert

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Safe limits are derived for Class III shipments of $sup 235$U, $sup 239$Pu, and $sup 233$U in the T-insert within the ANL T-2 cask. The cask has a 6.063-in.-dia cavity enclosed by lead 8 in. thick and clad with steel. The insert is 5-in. Schedule 40 stainless steel. No control is exercised over the configuration of the fissile material. The most restrictive of the conditions that must be satisfied for a Class III shipment is the requirement that the cask be subcritical when flooded internally and externally with water. Mass limits for the cask were calculated by ANISN with S$sub ... continued below

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8 p.

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Clark, H.K. January 1, 1975.

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  • Savannah River Laboratory
    Publisher Info: Du Pont de Nemours (E.I.) and Co., Aiken, S.C. (USA). Savannah River Lab.
    Place of Publication: Aiken, South Carolina

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Description

Safe limits are derived for Class III shipments of $sup 235$U, $sup 239$Pu, and $sup 233$U in the T-insert within the ANL T-2 cask. The cask has a 6.063-in.-dia cavity enclosed by lead 8 in. thick and clad with steel. The insert is 5-in. Schedule 40 stainless steel. No control is exercised over the configuration of the fissile material. The most restrictive of the conditions that must be satisfied for a Class III shipment is the requirement that the cask be subcritical when flooded internally and externally with water. Mass limits for the cask were calculated by ANISN with S$sub 4$ quadrature. Hansen-Roach cross sections were used, supplemented by some with the same group structure from other sources. To establish the bias in the method, calculations of k/sub eff/ were compared with appropriate critical experiments with aqueous solutions of $sup 233$U, $sup 235$U, and Pu and with HFIR experiments in which the core was reflected by steel, lead, and water. (TFD)

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8 p.

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Dep. NTIS

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  • Joint meeting of the American Nuclear Society and the Atomic Industrial Forum, San Francisco, California, USA, 16 Nov 1975

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  • Report No.: DP-MS--75-89
  • Report No.: CONF-751101--43
  • Grant Number: AT(07-2)-1
  • Office of Scientific & Technical Information Report Number: 4164573
  • Archival Resource Key: ark:/67531/metadc869302

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • January 1, 1975

Added to The UNT Digital Library

  • Sept. 16, 2016, 12:32 a.m.

Description Last Updated

  • Oct. 11, 2017, 2:37 p.m.

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Clark, H.K. Subcritical mass limits for the T-insert, article, January 1, 1975; Aiken, South Carolina. (digital.library.unt.edu/ark:/67531/metadc869302/: accessed June 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.