Preliminary CFD Assessment of an Experimental Test Facility Operating with Heavy Liquid Metals

Author:

Lizzoli Matteo1,Borreani Walter123,Devia Francesco1ORCID,Lomonaco Guglielmo13ORCID,Tarantino Mariano4ORCID

Affiliation:

1. DIME/TEC, University of Genova, Via all'Opera Pia 15/a, 16145 Genova, Italy

2. Ansaldo Nucleare S.p.A., Corso F. M. Perrone 25, 16161 Genova, Italy

3. INFN, Via Dodecaneso 33, 16146 Genova, Italy

4. ENEA FSN-ING, Brasimone CR, Camugnano, 40032 Bologna, Italy

Abstract

The CFD analysis of a Venturi nozzle operating in LBE (key component of the CIRCE facility, owned by ENEA) is presented in this paper. CIRCE is a facility developed to investigate in detail the fluid-dynamic behavior of ADS and/or LFR reactor plants. The initial CFD simulations have been developed hand in hand with the comparison with experimental data: the test results were used to confirm the reliability of the CFD model, which, in turn, was used to improve the interpretation of the experimental data. The Venturi nozzle is modeled with a 3D CFD code (STAR-CCM+). Later on, the CFD model has been used to assess the performance of the component in conditions different from the ones tested in CIRCE: the performance of the Venturi is presented, in terms of pressure drops, for various operating conditions. Finally, the CFD analysis has been focused on the evaluation of the effects of the injection of an inert gas in the flow of the liquid coolant on the performance of the Venturi nozzle.

Publisher

Hindawi Limited

Subject

Nuclear Energy and Engineering

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