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Air force applications of lightweight superconducting machinery
By: Oberly, C.;
1977 / IEEE
This item was taken from the IEEE Periodical ' Air force applications of lightweight superconducting machinery ' The U.S. Air Force has actively developed superconductor technology since 1961. Early Air Force involvement was disappointing due to the primitive technological state of superconductivity in the mid- 1960's. Following the successful application of stability theories, programs in the areas of superconducting alternators, magnetohydrodynamic (MHD) generator coils and inductive energy storage coils have been productive. The universal Air Force requirement for lightweight machinery eliminates cryostatic stability from consideration for lightweight designs of superconducting coils. Maximum overall current density is necessary. Serious transient field losses are induced by armature currents in synchronous alternators, conductive gas currents in MHD generators and discharge currents in energy storage coils. Shock and vibration structural support of the superconductor to prevent motion induced quenches remains a challenge to the machine designer. Exotic superalloy or advanced composite structures are required to achieve high stiffness and lightweight. Development of flexible multifilament Nb
Superconducting Magnets, Energy Storage
Magnetohydrodynamic Power Generation
Superconducting Rotating Machines
Fields, Waves And Electromagnetics