Flow reversal power limit for the HFBR

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Description

The High Flux Beam Reactor (HFBR) undergoes a buoyancy-driven reversal of flow in the reactor core following certain postulated accidents. Uncertainties about the afterheat removal capability during the flow reversal has limited the reactor operating power to 30 MW. An experimental and analytical program to address these uncertainties is described in this report. The experiments were single channel flow reversal tests under a range of conditions. The analytical phase involved simulations of the tests to benchmark the physical models and development of a criterion for dryout. The criterion is then used in simulations of reactor accidents to determine a safe ... continued below

Physical Description

259 p.

Creation Information

Cheng, Lap Y. & Tichler, P.R. October 1, 1995.

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Description

The High Flux Beam Reactor (HFBR) undergoes a buoyancy-driven reversal of flow in the reactor core following certain postulated accidents. Uncertainties about the afterheat removal capability during the flow reversal has limited the reactor operating power to 30 MW. An experimental and analytical program to address these uncertainties is described in this report. The experiments were single channel flow reversal tests under a range of conditions. The analytical phase involved simulations of the tests to benchmark the physical models and development of a criterion for dryout. The criterion is then used in simulations of reactor accidents to determine a safe operating power level. It is concluded that the limit on the HFBR operating power with respect to the issue of flow reversal is in excess of 60 MW.

Physical Description

259 p.

Notes

INIS; OSTI as DE96010471

Source

  • Other Information: PBD: Oct 1995

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  • Other: DE96010471
  • Report No.: BNL--52497
  • Grant Number: AC02-76CH00016
  • Office of Scientific & Technical Information Report Number: 245623
  • Archival Resource Key: ark:/67531/metadc665242

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • October 1, 1995

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • Nov. 30, 2015, 8:46 p.m.

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Cheng, Lap Y. & Tichler, P.R. Flow reversal power limit for the HFBR, report, October 1, 1995; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc665242/: accessed September 25, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.