Preliminary design of the pressure relief system of the EDIPO 2 helium vessel

Guarino, Roberto; Sarasola, Xabier; Solodko, E.; Bruzzone, Pierluigi; Sedlák, Kamil

doi:10.1016/j.cryogenics.2022.103470

Cited by 3 publications

(1 citation statement)

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“…The pressure relief system follows a staged pressure protection concept and considers both a loss of vacuum and an unprotected quench as worst-case accidents. Details on the pressure relief system are reported elsewhere, [16].…”

Section: Helium Vesselmentioning

confidence: 99%

Progress on the Upgrade of EDIPO, a 15 T Large Aperture Dipole

Araujo

Ballarino

Bordini

et al. 2021

IEEE Trans. Appl. Supercond.

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EDIPO 2 (the upgraded EDIPO test facility) will provide a unique testbed for superconducting cables for fusion magnets, accelerators, and other applications. Compared to the previous magnet assembly, the magnetic field is enhanced from 12.35 T to 15 T, the aperture is enlarged from 90×141 mm 2 to 144×144 mm 2 and the uniform field length is increased from 680 mm to 1000 mm (assuming a 1% drop of the field along the sample axis). A number of magnet designs have been proposed for EDIPO 2 since the conceptual design activities started in 2017. The design iterations have converged into a flared-end block-coil dipole design with a purely rectangular cross-section (coil windings aligned on the high and the low-field side). The use of a two-stage cable design is considered in order to increase the operating current, reduce the coil inductance and consequently limit the discharge voltage. The magnet structural design keeps the pre-compression applied to the coil winding pack to a minimum and allows a gap to open between the coils and the test well during operation. Progress on the magnet design activities is reported, including the results of magnetic and mechanical analyses, as well as quench protection studies. The procurement of the helium vessel required to contain the liquid helium bath for magnet cooling is also discussed. 

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Section: Helium Vesselmentioning

confidence: 99%