Feasibility study on large-scale, high current density superconductor by dynamic stabilization: Part 1: magnetic stability

✍ Scribed by T Ogasawara

• Publisher: Elsevier Science
• Year: 1987
• Tongue: English
• Weight: 379 KB
• Volume: 27
• Category: Article
• ISSN: 0011-2275
• DOI: 10.1016/0011-2275(87)90045-2

✦ Synopsis

The magnetic stability of a dynamically stabilized Nb-Ti or Nb3Sn strip conductor has been analysed theoretically when the external field is applied perpendicular to the wide plane of the conductor. Under the condition that the conductor is face-cooled, an expression of the limiting current density of stability Jc has been derived as a function of the pertinent parameters of the conductor and the heat transfer of the coolant. It should be noted that Jc is independent of the width of the strip conductor. An average critical current density as high as 300A mm -2 can be attained without magnetic instability. Even if the structural member is introduced in the winding, overall current density in excess of 100 A mm -2 is expected to be achieved in large-scale magnets.