Interactions between conductor strain and other magnet system design parameters

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Description

A simple closed-form electromechanical analysis of a toroidal field coil is used to calculate current density in the conductor plus coolant (J/sub con/) and fraction of the cross section allotted to structure (lambda/sub st/) as functions of important machine parameters, including the Young's modulus of the structural material, allowable elastic strain, system aspect ratio, major radius, and maximum field. The analysis is used to assess trade-offs between conductor strain and other machine parameters, and to identify ways in which strain-tolerant superconductors can increase flexibility in the system as a whole. Both J/sub con/ and lambda/sub st/ are regarded as figures ... continued below

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Pages: 4

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Long, C.J. January 1, 1977.

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Description

A simple closed-form electromechanical analysis of a toroidal field coil is used to calculate current density in the conductor plus coolant (J/sub con/) and fraction of the cross section allotted to structure (lambda/sub st/) as functions of important machine parameters, including the Young's modulus of the structural material, allowable elastic strain, system aspect ratio, major radius, and maximum field. The analysis is used to assess trade-offs between conductor strain and other machine parameters, and to identify ways in which strain-tolerant superconductors can increase flexibility in the system as a whole. Both J/sub con/ and lambda/sub st/ are regarded as figures indicating feasibility of a particular set of magnet parameters. In particular, high-strain conductors allow the use of less stiff structural materials (aluminum alloys rather than stainless steel, for example). High-strain conductors also significantly impact attainable field and usable aspect ratio. The analysis allows straightforward calculations of the manner in which the system is affected when parameters are varied.

Physical Description

Pages: 4

Notes

Dep. NTIS, PC A02/MF A01.

Source

  • 7. symposium on fusion research project, Knoxville, TN, USA, 25 Oct 1977

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  • Report No.: CONF-771029-74
  • Grant Number: W-7405-ENG-26
  • Office of Scientific & Technical Information Report Number: 5365134
  • Archival Resource Key: ark:/67531/metadc1070448

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • January 1, 1977

Added to The UNT Digital Library

  • Feb. 4, 2018, 10:51 a.m.

Description Last Updated

  • March 23, 2018, 6:27 p.m.

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Long, C.J. Interactions between conductor strain and other magnet system design parameters, article, January 1, 1977; Tennessee. (digital.library.unt.edu/ark:/67531/metadc1070448/: accessed April 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.