Partial Redesign of an Accelerator Driven System Target for Optimizing the Heat Removal and Minimizing the Pressure Drops

Guglielmo Lomonaco, Giacomo Alessandroni and Walter Borreani
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Guglielmo Lomonaco: GeNERG-DIME/TEC, University of Genova, via all’opera Pia 15/A, 16145 Genova, Italy
Giacomo Alessandroni: GeNERG-DIME/TEC, University of Genova, via all’opera Pia 15/A, 16145 Genova, Italy
Walter Borreani: GeNERG-DIME/TEC, University of Genova, via all’opera Pia 15/A, 16145 Genova, Italy

Energies, 2018, vol. 11, issue 8, 1-14

Abstract: Accelerator Driven Systems (ADS) seem to be a good solution for safe nuclear waste transmutation. One of the most important challenges for this kind of machine is the target design, particularly for what concerning the target cooling system. In order to optimize this component a CFD-based approach has been chosen. After the definition of a reference design (Be target cooled by He), some parameters have been varied in order to optimize the thermal-fluid-dynamic features. The final optimized target design has an increased security margin for what regarding Be melting and reduces the maximum coolant velocity (and consequently even more the pressure drops).

Keywords: ADS; CFD; ANSYS-FLUENT; target; bayonet tube heat exchanger (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2018
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