NDLI: Measurement of internal forces in superconducting accelerator magnets with strain gauge transducers

Content Provider	IEEE Xplore Digital Library
Author	Goodzeit, C.L. Anerella, M.D. Ganetis, G.L.
Copyright Year	1965
Abstract	An improved method has been developed for the measurement of internal forces in superconducting accelerator magnets, in particular the comprehensive stresses in coils and the end restraint forces on the coils. The transducers have been designed to provide improved sensitivity to purely mechanical strain by using bending mode deflections for sensing the applied loads. Strain gauge resistance measurements are made with a new system that eliminates sources of errors due to spurious resistance changes in interconnecting wiring and solder joints. The design of the transducers and their measurement system is presented along with a discussion of the method of compensation for thermal and magnetic effects, methods of calibration with typical calibration data, and measured effects in actual magnets of the thermal stress changes from cool-down and the Lorentz forces during magnet excitation.<>
Sponsorship	IEEE Magnetics Society
Starting Page	1463
Ending Page	1468
Page Count	6
File Size	568374
File Format	PDF
ISSN	00189464
Volume Number	25
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1989-03-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Force measurement Acceleration Superconducting coils Electrical resistance measurement Superconducting magnets Stress measurement Thermal stresses Transducers Magnetic field induced strain Thermal force
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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