14th International Magnet Measurement Workshop, CERN, Sept. 26-29. SNS Magnet Measurements at ORNL. J. G. Wang SNS, ORNL. Acknowledgements: Ted Hunter (Team Leader), Doug LeBon, Robert McBrien, Steven Heimsoth. SNS Facility. Tasks of SNS Magnet Measurements at ORNL.
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J. G. Wang
Ted Hunter (Team Leader), Doug LeBon,
Robert McBrien, Steven Heimsoth
164 Magnets (EMD & PMQ) for DTL
51 Quads for CCL
66 8Q35 Quads for SCL
9 8D533 Dipoles
1 8D406 Dipole
33 12Q45 Quads
8 21Q40 Quads
15 16CD20 Dipole Correctors
4 27CD30 Dipole Correctors
15 27CD30 Dipole Correctors
24 21Q40 Quads
2 30Q58 Quads
2 30Q44 Quads
1 17D244 Dipole: (to be measured)
1 41CDM30 corrector for Ring Injection dump
Four test stands developed to handle magnets as small as DTL PMQ and as large as any size.
Two different kinds of search coils to detect magnetic flux:
One translational coil for HEBT dipoles 8D533 and 8D406.
Seven rotational coils of the Halbach type for all other magnets
Three electronic systems including digital integrator, digital tesla meter, digital voltage meter, power supplies, current sensors, etc.
Labview software for test control and on-line data processing.
A H-shaped dipole with curved pole tips;
Weigh 46000 LB;
A rotating search coil of 3.8 m long with support at two ends & middle point has been developed to map the dipole in the RTBT tunnel.
The B*L along a curved beam trajectory has to be reconstructed based on test results.