KER Loop I operating report -- A report on the irradiation of zircaloy-2 jacketed tube-and-tube elements in KER Loop I

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Description

The objective of this test was to determine the in-reactor performance of co-extruded Zr-2 jacketed tube-and-tube elements. The effect of power, surface temperature, and uranium alloying on dimensional stability and uranium swelling and cracking was to be measured. The charge consisted of two unalloyed tube-and-tube elements, which were Zr-2 jacketed and were 36 inches in length. The rest of the charge consisted of spacer material and coupon holders. The test started on 6-29-59 and ran for a period of 32 days. On 7-30-59, the delayed neutron monitor reading and loop activities increased to a point that required reactor shutdown scram. ... continued below

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3 p.

Creation Information

Eikum, L. M. September 1, 1959.

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This report is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. More information about this report can be viewed below.

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  • Hanford Atomic Products Operation
    Publisher Info: General Electric Co., Richland, WA (United States). Hanford Atomic Products Operation
    Place of Publication: Richland, Washington

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Description

The objective of this test was to determine the in-reactor performance of co-extruded Zr-2 jacketed tube-and-tube elements. The effect of power, surface temperature, and uranium alloying on dimensional stability and uranium swelling and cracking was to be measured. The charge consisted of two unalloyed tube-and-tube elements, which were Zr-2 jacketed and were 36 inches in length. The rest of the charge consisted of spacer material and coupon holders. The test started on 6-29-59 and ran for a period of 32 days. On 7-30-59, the delayed neutron monitor reading and loop activities increased to a point that required reactor shutdown scram. The reactor was shut down, and the fuel elements were discharged. Loop water samples were analyzed for fission products. Evidence was found of high activity of Iodine isotopes of very short half-life. There was also some indication of other fission products. Visual inspection of the fuel elements after discharge disclosed small wrinkles on the jacket surface of the two unalloyed elements.

Physical Description

3 p.

Notes

OSTI as DE94013496; Paper copy available at OSTI: phone, 865-576-8401, or email, reports@adonis.osti.gov

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  • Other Information: PBD: 1 Sep 1959

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  • Other: DE94013496
  • Report No.: HW--61784
  • Grant Number: AC06-76RL01830
  • DOI: 10.2172/10158464 | External Link
  • Office of Scientific & Technical Information Report Number: 10158464
  • Archival Resource Key: ark:/67531/metadc1384591

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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.

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  • September 1, 1959

Added to The UNT Digital Library

  • Nov. 28, 2018, 2:33 p.m.

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  • Dec. 13, 2018, 7:20 p.m.

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Eikum, L. M. KER Loop I operating report -- A report on the irradiation of zircaloy-2 jacketed tube-and-tube elements in KER Loop I, report, September 1, 1959; Richland, Washington. (https://digital.library.unt.edu/ark:/67531/metadc1384591/: accessed March 23, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.