COMPARISON OF FEDAL MONITOR READINGS WITH RADIOCHEMICAL SAMPLE DATA. CORE I, SEED 1. Test Results T-641305

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Tests were conducted to compare the specific isotopic fission product activities with those of delayed neutron emitters which are monitored by the FEDAL System, and to obtain irformation on the source of activity observed in the PWR coolant. The monitors detected definite activity bursts of delayed neutrons during load increases, which indicated a rupture of the core blanket element. A radiochemical analysis of the coolant data did not show any unusual activity bursts, thus indicating a fuel element failure. It was concluded that the discrepancy in measurements is caused by methods not specifying exactly the time for taking radiochemical samples. ... continued below

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13 p.

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Creator: Unknown. October 24, 1960.

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  • Duquesne Light Company
    Publisher Info: Duquesne Light Co., Shippingport, Penna.
    Place of Publication: Shippingport, Pennsylvania

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Description

Tests were conducted to compare the specific isotopic fission product activities with those of delayed neutron emitters which are monitored by the FEDAL System, and to obtain irformation on the source of activity observed in the PWR coolant. The monitors detected definite activity bursts of delayed neutrons during load increases, which indicated a rupture of the core blanket element. A radiochemical analysis of the coolant data did not show any unusual activity bursts, thus indicating a fuel element failure. It was concluded that the discrepancy in measurements is caused by methods not specifying exactly the time for taking radiochemical samples. The data are tabulated as activity and power output, and given as a function of time. A comparison is given of the activities in the primary coolant for April, June, and July of 1958. (B.O.G.)

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13 p.

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  • Other Information: Orig. Receipt Date: 31-DEC-61

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  • Report No.: DLCS-2290101
  • Grant Number: None
  • DOI: 10.2172/4076942 | External Link
  • Office of Scientific & Technical Information Report Number: 4076942
  • Archival Resource Key: ark:/67531/metadc866780

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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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  • October 24, 1960

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  • Sept. 16, 2016, 12:32 a.m.

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  • Oct. 11, 2017, 3:35 p.m.

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COMPARISON OF FEDAL MONITOR READINGS WITH RADIOCHEMICAL SAMPLE DATA. CORE I, SEED 1. Test Results T-641305, report, October 24, 1960; Shippingport, Pennsylvania. (digital.library.unt.edu/ark:/67531/metadc866780/: accessed September 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.