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Design study of superconducting magnets for a combustion magnetohydrodynamic (MHD) generator

Author:
Thome, R. J.
Published:
Mar 1, 1977.
Physical Description:
1 electronic document
Additional Creators:
Ayers, J. W.
Online Version

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Unclassified, Unlimited, Publicly available.
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Summary:
Design trade off studies for 13 different superconducting magnet systems were carried out. Based on these results, preliminary design characteristics were prepared for several superconducting magnet systems suitable for use with a combustion driven MHD generator. Each magnet generates a field level of 8 T in a volume 1.524 m (60 in.) long with a cross section 0.254 m x 0.254 m (10 in. x 10 in.) at the inlet and 0.406 m x .406 m (16 in. x 16 in.) at the outlet. The first design involves a racetrack coil geometry intended for operation at 4.2 K; the second design uses a racetrack geometry at 2.0 K; and the third design utilizes a rectangular saddle geometry at 4.2 K. Each case was oriented differently in terms of MHD channel axis and main field direction relative to gravity in order to evaluate fabrication ease. All cases were designed such that the system could be disassembled to allow for alteration of field gradient in the MHD channel by changing the angle between coils. Preliminary design characteristics and assembly drawings were generated for each case.
Other Subject(s):
Collection:
NASA Technical Reports Server (NTRS) Collection.
Note:
Document ID: 19770013942.
Accession ID: 77N20886.
NASA-CR-135178.
Terms of Use and Reproduction:
No Copyright.
View MARC record | catkey: 15732728