Speaker
Description
This study aims to determine the preliminary design parameters for developing a liquid lead target subjected to high peaks of deposited thermal power (10¹⁷ W/m³) and deposition pulses on the order of nanoseconds. Under such conditions, previous studies and experiments have shown the formation of shock waves and splashing into the liquid lead target. The study utilizes the Mie-Gruneisen and Tait equations of state starting from the distribution of thethermal source on the target. CFD (Computational Fluid Dynamics) simulations are developed employing the VOF (Volume of Fluid) model. The simulations include a cavitation model for lead in low-pressure regions. A possible target configuration is also presented to mitigate the impact of shock waves on the structures. The results represent an initial steptoward developing more robust and efficient liquid metal targets. Further analyses will becarried out to refine the physical model of lead cavitation and to integrate it more accurately with the other physical phenomena involved.
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