Isabelle dipole and quadrupole coil configurations
The coil configurations of the ISABELLE dipole and quadrupole magnets have been reviewed and a number of improvements were suggested for incorporation into the final design. The coil designs are basically single layer multiple block approximations to cosine current distributions, wound from a high aspect ratio non-keystoned braided conductor. The blocks are separated by knife-edge wedges to maximize the quench propagation velocity. The current density variation is obtained by an appropriate distribution of the spacer turns and, to a lesser degree, by the wedge locations. The use of inert turns is necessary to minimize the peak field enhancement both in the ends and in the two dimensional section. Schemes for deriving turns distributions yielding harmonic coefficients satisfying the stringent ISABELLE tolerances on field uniformity, while allowing for simplicity in winding and taking into account quench propagation considerations, will be discussed, as well as our approach to the coil end configuration.
- Research Organization:
- Brookhaven National Lab., Upton, NY (USA)
- DOE Contract Number:
- AC02-76CH00016
- OSTI ID:
- 6810896
- Report Number(s):
- BNL-28365; CONF-800980-19
- Country of Publication:
- United States
- Language:
- English
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43 PARTICLE ACCELERATORS
430303* -- Particle Accelerators-- Experimental Facilities & Equipment
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
BEAM BENDING MAGNETS
BEAM FOCUSING MAGNETS
DIPOLES
ELECTRIC COILS
ELECTRICAL EQUIPMENT
ELECTROMAGNETS
EQUIPMENT
ISABELLE STORAGE RINGS
MAGNET COILS
MAGNETIC DIPOLES
MAGNETIC FIELD CONFIGURATIONS
MAGNETS
MULTIPOLES
QUADRUPOLES
SPECIFICATIONS
STORAGE RINGS
SUPERCONDUCTING DEVICES
SUPERCONDUCTING MAGNETS