The LIFUS5 facility is a separate effect test facility aimed at investigating the heavy liquid metal-water interaction. It has been designed and constructed to withstand high pressure and temperature (i.e. up to 200 bar and up to 500 degrees C) and to record the fast pressure transients in heavy liquid metal melt. This type of transient is typical of a Steam Generator Tube Rupture event in a pool type Gen IV Heavy Liquid Metal cooled Fast Reactor system, and should be investigated from the safety point of view because it could potentially induce, beyond the damaging of the internal structures (HX tube bundle, above core structures, Fuel Assembly, Control Rods, etc.) several negative effects on the operation of the reactor. These include an insertion of positive reactivity into the system or reduced cooling efficiency due to steam dragging into the core. It will also have an effect on the chemistry control of the cooling. All these effects compromise the safety and the reliability of the system. The twenty years experimental programme and the different LIFUS5 configurations are presented in the paper, as well as the experimental campaigns and test matrix characterizing the heavy liquid metal-water interaction phenomena and data for codes validation.

The LIFUS5 separate effect test facility experimental programme / Eboli, M; Ciampichetti, A; Giannetti, F; Forgione, N; Del Nevo, A. - In: NUCLEAR ENGINEERING AND DESIGN. - ISSN 0029-5493. - 411:(2023), pp. 1-17. [10.1016/j.nucengdes.2023.112425]

The LIFUS5 separate effect test facility experimental programme

Giannetti, F;
2023

Abstract

The LIFUS5 facility is a separate effect test facility aimed at investigating the heavy liquid metal-water interaction. It has been designed and constructed to withstand high pressure and temperature (i.e. up to 200 bar and up to 500 degrees C) and to record the fast pressure transients in heavy liquid metal melt. This type of transient is typical of a Steam Generator Tube Rupture event in a pool type Gen IV Heavy Liquid Metal cooled Fast Reactor system, and should be investigated from the safety point of view because it could potentially induce, beyond the damaging of the internal structures (HX tube bundle, above core structures, Fuel Assembly, Control Rods, etc.) several negative effects on the operation of the reactor. These include an insertion of positive reactivity into the system or reduced cooling efficiency due to steam dragging into the core. It will also have an effect on the chemistry control of the cooling. All these effects compromise the safety and the reliability of the system. The twenty years experimental programme and the different LIFUS5 configurations are presented in the paper, as well as the experimental campaigns and test matrix characterizing the heavy liquid metal-water interaction phenomena and data for codes validation.
2023
HLM-water; chemical interaction; SGTR; LMFR
01 Pubblicazione su rivista::01a Articolo in rivista
The LIFUS5 separate effect test facility experimental programme / Eboli, M; Ciampichetti, A; Giannetti, F; Forgione, N; Del Nevo, A. - In: NUCLEAR ENGINEERING AND DESIGN. - ISSN 0029-5493. - 411:(2023), pp. 1-17. [10.1016/j.nucengdes.2023.112425]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/1685696
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