Abstract
Perhaps the largest application of superconductivity to date is the Fermilab Energy Doubler. Under development since 1972 this new 1 TeV proton synchrotron should be completed by early 1983. So far one-eighth of the 1 kilometer radius ring has been cooled-down and excited to 4000 amperes (900 GeV equivalent). This involved the operation of a Central Liquefier of 4000ℓ/hr capacity, a 0.9 kilometer liquid helium transfer line and three 1000 watt satellite refrigerators. In addition to proving that the cryogenic system was capable of withstanding the worst case accident (i.e., quenching all magnets simultaneously) an endurance run of 100 hr elapsed time resulted in 75% ramp-on efficiency. During the 32 sec rise-time of the 75 sec cycle the energy content of the magnet field was increasing at >1 megajoule per second.
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Schedule a callMore From: Proceedings of the Ninth International Cryogenic Engineering Conference Kobe, Japan 11–14 May 1982
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