Fig.2-3 Fundamental experiment on upward fuel discharge in a fuel assembly with inner duct structure

Fig.2-3 Fundamental experiment on upward fuel discharge in a fuel assembly with inner duct structure

In an experiment using a high-density melt and water as simulants for molten fuel and coolant respectively, it was found that pressure buildup due to coolant vapor behaved as a driving force for upward fuel discharge in the inner duct structure.

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