Modeling of Molten-fuel-moderator Interactions

Modeling of Molten-fuel-moderator Interactions

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A comprehensive model is developed to investigate these complex phenomena resulting from a postulated complete flow blockage and complete pressure tube failure. This dynamic model serves as a baseline to characterize the pressure response due to a pressure tube rupture and the associated MFMI phenomena. Theoretical modeling of these interrelated complex phenomena is not known a priori and therefore a semi-empirical approach is adopted. Consequently, experimental work is being proposed as part of the thesis work to verify key hypotheses regarding these interfacial fluid instabilities, such as the entrainment fraction into the rapidly expanding bubble.Figure 6.6 ANSYS V10.0 model of the AECLa#39;s experiment, the light color represents 195 structural elements and the dark color represents the fluid elements. Figure 6.7 ... 1 1 Pressure-time history predicted by the 2D infinite ANSYS model.

Title:Modeling of Molten-fuel-moderator Interactions
Author: Aya K. Diab
Publisher:ProQuest - 2008

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