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U.S. Department of Energy
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TURC1: large scale metallic melt-concrete interaction experiments and analysis

Technical Report ·
OSTI ID:5982796
Two large scale molten debris-concrete experiments, TURC1T, a thermite-concrete interaction experiment, and TURC1SS, a stainless steel-concrete experiment, are reported here. The experiments consisted of teeming molten debris (>100 kg) onto limestone/common sand concrete. The molten debris was allowed to cool naturally. The concrete ablation rate, composition of evolved gases, and aerosol data are presented. The experimental results have been compared to CORCON calculations in order to validate the code. This comparison showed that, while some parts of the code performed well (chemical equilibrium model), other sections required further model development (melt-concrete heat transfer model). An analysis of the two experiments was performed using a new analysis model. The results of the analysis seem to suggest that the heat transfer mechanism of concrete ablation is similar to nucleate boiling heat transfer, rather than gas film heat transfer. 32 refs., 82 figs., 23 tabs.
Research Organization:
Sandia National Labs., Albuquerque, NM (USA)
DOE Contract Number:
AC04-76DP00789
OSTI ID:
5982796
Report Number(s):
NUREG/CR-4420; SAND-85-0707; ON: TI86007440
Country of Publication:
United States
Language:
English