High pressure relief valve quenching. Supplement 1

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Description

In response to additional needs developed during a review of the LOFT Technical Specifications, two more pressure reduction and decontamination sump volume vs. initial temperature data points were calculated in order to adequately quench steam generator relief blowdown. The two additional points chosen were for 10,000 gallons (based on ECC requirements) and for 120/sup 0/F (NPSH limit maximum temperature). The results are that for 10,000 gallons in the sump the maximum initial temperature is 110/sup 0/F and for 120/sup 0/F initial temperature, a volume of 14,000 gallons is required in the sump. Calculations are shown on page two of this ... continued below

Physical Description

Pages: 3

Creation Information

Swartzwelder, R.B. December 29, 1977.

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  • EG & G Idaho
    Publisher Info: EG and G Idaho, Inc., Idaho Falls (USA)
    Place of Publication: Idaho Falls, Idaho

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Description

In response to additional needs developed during a review of the LOFT Technical Specifications, two more pressure reduction and decontamination sump volume vs. initial temperature data points were calculated in order to adequately quench steam generator relief blowdown. The two additional points chosen were for 10,000 gallons (based on ECC requirements) and for 120/sup 0/F (NPSH limit maximum temperature). The results are that for 10,000 gallons in the sump the maximum initial temperature is 110/sup 0/F and for 120/sup 0/F initial temperature, a volume of 14,000 gallons is required in the sump. Calculations are shown on page two of this report. The maximum final PR and DS temperature was set at 140/sup 0/F to preclude the vibrational effects discussed in LTR 115-9 and its referenced operational experience reports.

Physical Description

Pages: 3

Notes

NTIS, PC A02/MF A01.

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Identifier

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  • Other: DE85015462
  • Report No.: LTR-115-9(Suppl.1)
  • Grant Number: AC07-76ID01570
  • DOI: 10.2172/5580695 | External Link
  • Office of Scientific & Technical Information Report Number: 5580695
  • Archival Resource Key: ark:/67531/metadc1092601

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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

  • December 29, 1977

Added to The UNT Digital Library

  • Feb. 10, 2018, 10:06 p.m.

Description Last Updated

  • June 1, 2018, 4:12 p.m.

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Swartzwelder, R.B. High pressure relief valve quenching. Supplement 1, report, December 29, 1977; Idaho Falls, Idaho. (digital.library.unt.edu/ark:/67531/metadc1092601/: accessed July 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.