Transient Energy Transfer by Conduction and Radiation for a Sudden Contact Between Molten UO₂ and Sodium

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Description

The transient energy transfer following a sudden contact between molten uranium dioxide and sodium has been investigated, taking into consideration both conduction and internal thermal radiation in uranium dioxide. Analytical expressions for the contact-interface temperature valid for small times are derived. Illustrative calculations indicate that on a time scale relevant to fuel-coolant interactions, internal radiation of molten uranium dioxide should have an insignificant effect on the contact-interface temperature between molten uranium dioxide and sodium. It thus appears that for the purpose of assessing the potential for an explosive fuel-coolant interaction, the contact-interface temperature may be adequately determined based on consideration ... continued below

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18 p. : charts

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Cho, D. H. & Chan, S. H. 1978?.

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  • Main Title: Transient Energy Transfer by Conduction and Radiation for a Sudden Contact Between Molten UO₂ and Sodium
  • Added Title: ANL (Series)
  • Added Title: Argonne National Laboratory Report ANL-78-34
  • Series Title: Argonne National Laboratory Reports

Description

The transient energy transfer following a sudden contact between molten uranium dioxide and sodium has been investigated, taking into consideration both conduction and internal thermal radiation in uranium dioxide. Analytical expressions for the contact-interface temperature valid for small times are derived. Illustrative calculations indicate that on a time scale relevant to fuel-coolant interactions, internal radiation of molten uranium dioxide should have an insignificant effect on the contact-interface temperature between molten uranium dioxide and sodium. It thus appears that for the purpose of assessing the potential for an explosive fuel-coolant interaction, the contact-interface temperature may be adequately determined based on consideration of pure conduction.

Physical Description

18 p. : charts

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Digitized from microfiche (1).

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  • 1978?

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  • Aug. 4, 2015, 8:33 a.m.

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Cho, D. H. & Chan, S. H. Transient Energy Transfer by Conduction and Radiation for a Sudden Contact Between Molten UO₂ and Sodium, report, 1978?; Argonne, Illinois. (digital.library.unt.edu/ark:/67531/metadc303739/: accessed September 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.