Presentation of the Cordy pilot plant

Bruno Lorrain; R. Sobrero

doi:10.1117/12.145492

28 May 1993 Presentation of the Cordy pilot plant

Bruno Lorrain, R. Sobrero

Proceedings Volume 1859, Laser Isotope Separation; (1993) https://doi.org/10.1117/12.145492
Event: OE/LASE'93: Optics, Electro-Optics, and Laser Applications in Scienceand Engineering, 1993, Los Angeles, CA, United States

Abstract

This pilot has been set up to test the Avlis materials in conditions similar to those of a separator. It has therefore been designed as a corrosion loop where the feed is in gaseous phase and the circulation in liquid phase. The temperature is everywhere maintained above the uranium melting point. The facility includes an evaporation apparatus supplied by Leybold S.A., a set of 14 resistors controlled by a regulating system (Eurotherm software), and a cooled inner vessel aimed at the creation of a cold zone in the main vacuum vessel. A 60 kW scanning spot-focusing gun is used, set horizontally on the vacuum vessel. A coil and two magnetic arms set against the crucible create a constant and non homogeneous electromagnetic field which bends the electron beam towards the pool. The field configuration maintains a part of the back-scattered electrons in the crucible. The gun can be isolated from the vacuum vessel by a valve during the maintenance operations such as an emission filament replacement, the test materials being maintained in temperature and under vacuum. During the experiment a video camera records the condensation of the liquid metal in the upper part of the vessel and another camera gives a picture of the electron beam impact on the bath. Conclusions on the behavior of the materials are essentially post-mortem although the development of the gaseous phase is followed by mass spectrometry.

Citation Download Citation

Bruno Lorrain and R. Sobrero "Presentation of the Cordy pilot plant", Proc. SPIE 1859, Laser Isotope Separation, (28 May 1993); https://doi.org/10.1117/12.145492

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