Magnetic shielding tests for MFTF-B neutral beamlines
A test program to determine the effectiveness of various magnetic shielding designs for MFTF-B beamlines was established at Lawrence Livermore National Laboratory (LLNL). The proposed one-tenth-scale shielding-design models were tested in a uniform field produced by a Helmholtz coil pair. A similar technique was used for the MFTF source-injector assemblies, and the model test results were confirmed during the Technology Demonstration in 1982. The results of these tests on shielding designs for MFTF-B had an impact on the beamline design for MFTF-B. The iron-core magnet and finger assembly originally proposed were replaced by a simple, air-core, race-track-coil, bending magnet. Only the source injector needs to be magnetically shielded from the fields of approximately 400 gauss.
- Publication Date:
- OSTI Identifier:
- Report Number(s):
- UCRL-89321; CONF-831203-19
- DOE Contract Number:
- Resource Type:
- Resource Relation:
- Conference: 10. symposium on fusion engineering, Philadelphia, PA, USA, 5 Dec 1983
- Research Org:
- Lawrence Livermore National Lab., CA (USA)
- Country of Publication:
- United States
- 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; MFTF DEVICES; NEUTRAL ATOM BEAM INJECTION; NEUTRAL BEAM SOURCES; MAGNETIC SHIELDING; DESIGN; MAGNET COILS; BEAM INJECTION; ELECTRIC COILS; ELECTRICAL EQUIPMENT; EQUIPMENT; MAGNETIC MIRRORS; OPEN PLASMA DEVICES; SHIELDING; THERMONUCLEAR DEVICES 700205* -- Fusion Power Plant Technology-- Fuel, Heating, & Injection Systems
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