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Large-scale refrigeration for fusion and accelerator projects

Published on 26 October 2022
LRTH has expertise in cryogenic and thermal-hydraulics both with supercritical and superfluid helium since the design, installation and operation of the cryogenic system of Tore Supra tokamak in the 1980’s, the LHC superconducting magnets at 1.9 K in the 1990’s and ITER/JT-60SA at 4.5 K in the 2000’s and 2010’s. In the reference period, LRTH has been involved in fusion reactor projects (JT60-SA, ITER and DEMO) and in accelerator projects High Luminosity upgrade of LHC (HL-LHC) and the Future Circular Collider (FCC) for CERN. In both fields, LRTH offers experimental test facility: the multi-test cryostat provides forced flow supercritical helium which can address thermal-hydraulics investigations encountered in the superconducting magnets for fusion, but can also provide superfluid helium to qualify the design of the heat exchanger for the cooling of the HL-LHC superconducting magnets.