Construction of the 12-Foot Bubble Chamber Superconducting-Magnet Cryostat
Many small-bore superconducting magnets have been designed and constructed in the last few years. The successful operation of these magnets and the accumulated knowledge in the “state of the art” prompted consideration of the use of a superconducting magnet for the 12-ft ANL bubble chamber. A conventional magnet, with water-cooled coils, and the superconducting magnet were designed concurrently. It became apparent that the capital cost to construct each magnet would be about the same. The operation of the superconducting magnet on a 24 hr a day basis, annually, would save 10 MW of power or approximately $400,000.
KeywordsLiquid Helium Vacuum Vessel Bubble Chamber Ring Plate Vacuum Jacket
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