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Design study of superconducting magnets for a combustion magnetohydrodynamic /MHD/ generatorResults are presented for a trade-off and preliminary design study on concepts of a superconducting magnet system for a combustion MHD generator test facility. The main objective is to gain insight into the magnitude of the project in terms of physical characteristics and cost. The net result of a first-phase evaluation of attractive design alternatives is to concentrate subsequent efforts on (1) a racetrack coil geometry with an operating temperature of 4.2 K, (2) a racetrack coil geometry with an operating temperature of 2.0 K, and (3) a rectangular saddle coil geometry with an operating temperature of 4.2 K. All three systems are to produce 8 T, and use NbTi superconductor and iron for field enhancement. Design characteristics of the three systems are described. It is shown that the racetrack and rectangular saddle coil geometries seem most suitable for this application, the former because of its simplicity and the latter because of its efficient use of material. Advantages of the rectangular saddle over the two other systems are stressed.
Document ID
19790031292
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Thome, R. J.
(Magnetic Corp. of America Waltham, MA, United States)
Ayers, J. W.
(Magnetic Corp. of America Waltham, MA, United States)
Hrycaj, T. M.
(Magnetic Corporation of America, Waltham, Mass., United States)
Burkhart, J. A.
(NASA Lewis Research Center Cleveland, Ohio, United States)
Date Acquired
August 9, 2013
Publication Date
January 1, 1978
Subject Category
Electronics And Electrical Engineering
Meeting Information
Meeting: In: Advances in cryogenic engineering. Volume 23 - Proceedings of the Conference
Location: Boulder, CO
Start Date: August 2, 1977
End Date: August 5, 1977
Accession Number
79A15305
Funding Number(s)
CONTRACT_GRANT: NAS3-19885
Distribution Limits
Public
Copyright
Other

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