Cool-down of the first sector of the Large Hadron Collider: Comparison between mathematical model and measurements
Dec, 20078 pages
Part of Proceedings, Transactions of the Cryogenic Engineering Conference (CEC 2007) Chattanooga, Tennessee, July 16-20, 2007, 1395-1402
Published in:
- AIP Conf.Proc. 985 (2008) 1, 1395-1402
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- , 1395-1402
- CEC/ICMC 2007
- Published: Mar 27, 2008
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Abstract: (AIP)
The first 3.3-km long LHC sector (sector 7–8) was cooled down for the first time from room temperature to below 2.0 K from January to March, 2007. In this paper, the measured cool-down evolution of the sector is presented and compared with the calculated results. The discrepancies between the measured and calculated data are analyzed. In addition, two unexpected phenomena, unbalanced cool-down between two neighboring cells supplied by one valve and longer cool-down time with respect to the predicted generic cool-down are thoroughly and numerically analyzed.- particle accelerators
- LHC
- cool-down
- superconducting magnet
- helium cryogenics
- cryogenics
- superconducting magnets
- Large Hadron Collider
- Data analysis
- Numerical analysis
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