Speaker
Description
Current neutron irradiation facilities cannot fully reproduce the complex radiation spectra expected in fusion tokamaks such as ITER. As a result, experimental qualification of components under fully representative ITER conditions is not yet achievable with conventional test infrastructures.
To address this gap, GENeuSIS (General Experimental Neutron System Irradiation Station) was developed as a modular, flexible, and transportable setup composed of layers of different materials. Its goal is to tailor neutron energy spectra within a dedicated test cavity to replicate radiation environments relevant to specific ITER locations. The system currently relies on 14 MeV neutrons from the Frascati Neutron Generator (FNG).
Two configurations were defined based on prior MCNP simulations: GENeuSIS-I, representing the ITER Port Interspace, and GENeuSIS-II, designed for the Port Cell of Equatorial Port #12. GENeuSIS-II is now fully assembled and operational at FNG. This presentation focuses on experimental characterization of the irradiation cavity using both active and passive neutron detectors, aiming to measure neutron flux and validate the achieved spectral conditions.
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