Overview and Status of the 12 GeV Cryogenic System Upgrade At Jlab
As part of the planned Jefferson Laboratory's electron accelerator (CEBAF) power upgrade, ten additional superconducting RF cryomodules will be added to its accelerator linacs. Although physically the same size as each of the original 40 linac cryomodules, each new cryomodule will have approximately 4 times the acceleration power. To support the additional cryomodule heat loads generated, the existing 2K, 4600W Central Helium Liquefier (CHL) plant capacity will be doubled to a total of 9200W at 2K plus 24,000W at 35K for shield loads. The specified base line process cycle has been modeled after the laboratory s "Ganni Helium Cycle" process technology. In addition, a fourth physics experimental "Hall D" will be constructed which will have an additional stand alone 200W at 4K helium cryogenic plant. In October of 2008, Jefferson Laboratory (JLab) received approval for project "Critical Decision 3" construction phase status from the US Department of Energy.
- Research Organization:
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- DOE Contract Number:
- AC05-06OR23177
- OSTI ID:
- 1010422
- Report Number(s):
- JLAB-ACE-09-976; DOE/OR/23177-0874; TRN: US1101607
- Journal Information:
- AIP Conference Proceedings, Vol. 1218; Conference: Cryogenic Engineering Conference 2009, June 28- July 2, Tucson, AZ
- Country of Publication:
- United States
- Language:
- English
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Linac cryogenic distribution system maintenance and upgrades at JLab
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