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Bent Solenoids With Superimposed Dipole Fields--Advanced Magnet Laboratory, Inc., 2730 Kirby Avenue, NE, Building 5, Palm Bay, FL 32905-3402; 407-728-7543
Dr. Rainer B. Meinke, Principal Investigator
Mr. Mark W. Senti, Business Official
DOE Grant No. DE-FG02-99ER82730
Amount: $99,725
Superconducting, bent solenoid magnets with superimposed dipole fields are needed for the planned U.S. Muon Collider that will be used for high energy physics research. This will require the development of a conductor pattern that generates the required field configuration, related coil manufacturing technology, and appropriate coil support structure and cryostat. In addition, the magnet also has to be able to operate in a strong radiation environment. This project will develop a bent solenoid with superimposed dipole field by tilting the turns of the solenoid winding with respect to the magnet axis. A round, Kapton-insulated mini-cable would be wound over a fiber-reinforced composite tube to form the coil. The technique will make use of radiation resistant adhesive systems and materials developed for fusion applications. During Phase I, a preliminary design of the bent solenoid with superimposed dipole field will be performed, which includes field calculations, operating conditions of the superconducting magnet, and a Finite Element Analysis of the coil support structure. A conceptual design of the required winding machine will also be developed. The concept of the winding machine will be demonstrated by building a simple tabletop winding fixture.
Commercial Applications and Other Benefits as described by the awardee: The bent solenoids with superimposed dipole fields should allow for attaining the field strength required by the proposed Muon Collider. Placement of mini cables on large cylindrical structures should also benefit next generation gradient coils for MRI magnets.