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Helium Two-Phase Flow in a Thermosiphon Open Loop
Published in 2009
The construction of high magnetic field superconducting coils requires the use of low temperature superconductors that must be cooled down to liquid helium temperature (4.2 K). Natural two-phase convection loops, i.e. thermosiphon loop, are used as cooling system for large superconducting magnets mainly because of its passive nature. The study present a thermohydraulics model realized with COMSOL Multiphysics® of such a loop. The results of the computation are compared with experimental results obtained in a 2 meters high loop.
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