Hydraulic testing of accelerator-production-of-tritium rod bundles

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Description

Hydraulic tests have been performed on small pitch-to-diameter-ratio rod bundles using light water (1.7 < P/D < 1.17, and d = 3.175 mm). Flows cover the range from greater-than-nominal Reynolds numbers (fully turbulent) to low-speed laminar flows. Differential pressure measurements were made across the support plates holding the rod bundles, across the rod bundles, and across the entire assembly. Flow rates, temperatures, and gauge pressures also were measured. The data from these hydraulic tests have been compared to correlating literature for tightly pitched rod bundles. The prototypic geometry of these tests did not compare directly to any geometry found in ... continued below

Physical Description

21 p.

Creation Information

Spatz, T.L. & Siebe, D.A. January 1, 1999.

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Description

Hydraulic tests have been performed on small pitch-to-diameter-ratio rod bundles using light water (1.7 < P/D < 1.17, and d = 3.175 mm). Flows cover the range from greater-than-nominal Reynolds numbers (fully turbulent) to low-speed laminar flows. Differential pressure measurements were made across the support plates holding the rod bundles, across the rod bundles, and across the entire assembly. Flow rates, temperatures, and gauge pressures also were measured. The data from these hydraulic tests have been compared to correlating literature for tightly pitched rod bundles. The prototypic geometry of these tests did not compare directly to any geometry found in the literature because of the variety of subchannels along the outer wall of the rod bundle. Under that constraint, there was excellent comparison of the rod-bundle friction factor with those factors given in the literature. The results show a large range of the Reynolds number over which the flow is in transition from laminar to turbulent (e.g., 580 < Re{sub Tr} < 13,000). Also presented is the comparison of the overall rung pressure drop to a solution based on hydraulic-resistance handbook calculations.

Physical Description

21 p.

Notes

INIS; OSTI as DE99002059

Source

  • 9. international topical meeting on nuclear reactor thermal hydraulics (NURETH9), San Francisco, CA (United States), 3-8 Oct 1998

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  • Other: DE99002059
  • Report No.: LA-UR--99-9
  • Report No.: CONF-981097--
  • Grant Number: W-7405-ENG-36
  • DOI: 10.2172/329555 | External Link
  • Office of Scientific & Technical Information Report Number: 329555
  • Archival Resource Key: ark:/67531/metadc687055

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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, 1999

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

Description Last Updated

  • Feb. 25, 2016, 7:29 p.m.

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Spatz, T.L. & Siebe, D.A. Hydraulic testing of accelerator-production-of-tritium rod bundles, report, January 1, 1999; New Mexico. (digital.library.unt.edu/ark:/67531/metadc687055/: accessed November 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.