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Published in:
1986 | OriginalPaper | Chapter
Computer Calculations on Steady-State Operation and Different Modes of Cool Down and Warm Up of the HERA Superconducting Proton Ring
Authors : G. Horlitz, H. Lierl, P. Schmüser
Published in: Advances in Cryogenic Engineering
Publisher: Springer US
Included in: Professional Book Archive
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The HERA superconducting proton ring contains 422 dipoles, 224 quadrupoles and about 650 correction magnets which are also superconducting. The coils are cooled by single-phase helium in forced flow which is in thermal contact with two-phase helium in counterflow. The total mass to be cooled to liquid helium temperature amounts to about 3.9 × 106 kg. Calculations on steady-state operation and on two methods of cool down and warm up of the magnet system are presented.