Analytical and experimental investigation of the dispersion process during rapid transients for the aluminum-based nuclear fuel plates

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A thermally induced fuel-plate dispersion model was developed to analyze for dispersive potential and determine the onset of fuel plate dispersion for aluminum-based research and test reactor fuels. The effect of rapid energy deposition in a fuel plate was simulated. Several data types for aluminum-based fuels tested in the Nuclear Safety Research Reactor (NSRR) facility in Japan and in the Transient Reactor Test (TREAT) facility in Idaho, US, were reviewed. Analyses of experiments show that the onset of fuel dispersion is clearly linked to a sharp rise in the predicted strain rate, which further coincides with the onset of aluminum ... continued below

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118 p.

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Georgevich, V.; Taleyarkhan, R.P.; Kim, S.H.; Fuketa, T.; Soyama, K. & Ishijima, K. June 1, 1995.

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Description

A thermally induced fuel-plate dispersion model was developed to analyze for dispersive potential and determine the onset of fuel plate dispersion for aluminum-based research and test reactor fuels. The effect of rapid energy deposition in a fuel plate was simulated. Several data types for aluminum-based fuels tested in the Nuclear Safety Research Reactor (NSRR) facility in Japan and in the Transient Reactor Test (TREAT) facility in Idaho, US, were reviewed. Analyses of experiments show that the onset of fuel dispersion is clearly linked to a sharp rise in the predicted strain rate, which further coincides with the onset of aluminum vaporization. Analysis also shows that aluminum oxidation and exothermal chemical reaction between the fuel and aluminum can significantly affect: the energy deposition characteristics and, therefore dispersion onset connected with aluminum vaporization, and the onset of aluminum vaporization.

Physical Description

118 p.

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INIS; OSTI as DE96003190

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  • Other Information: PBD: Jun 1995

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  • Other: DE96003190
  • Report No.: ORNL/TM--12956
  • Grant Number: AC05-84OR21400
  • DOI: 10.2172/161555 | External Link
  • Office of Scientific & Technical Information Report Number: 161555
  • Archival Resource Key: ark:/67531/metadc624364

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  • June 1, 1995

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • Jan. 21, 2016, 3:25 p.m.

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Georgevich, V.; Taleyarkhan, R.P.; Kim, S.H.; Fuketa, T.; Soyama, K. & Ishijima, K. Analytical and experimental investigation of the dispersion process during rapid transients for the aluminum-based nuclear fuel plates, report, June 1, 1995; Tennessee. (digital.library.unt.edu/ark:/67531/metadc624364/: accessed September 25, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.