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Non-Newtonian spreading simulation of molten nuclear combustible

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Abstract

In this paper, the non-dimensional 3D model for a free-surface non-Newtonian anisotherm flow is described. Its use for molten nuclear reactor core (corium) in the event of severe accidents is argued using similarity criteria. The model is then implemented in a finite element code based on the C++ library Rheolef. The resulting simulations are compared to experimental data from the prototypical corium spreading experiment VEU7.
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Dates and versions

hal-03426083 , version 1 (12-11-2021)

Identifiers

  • HAL Id : hal-03426083 , version 1

Cite

Thomas Schiano, Barbara Bigot, Jean-François Haquet, Pierre Saramito, Claude Smutek. Non-Newtonian spreading simulation of molten nuclear combustible. World Congress on Momentum, Heat and Mass Transfer, Apr 2021, Lisbone, France. ⟨hal-03426083⟩
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