Electromagnetic loads on ion cyclotron and lower hybrid launchers for TPX

Author

Yugo, J.J. ; Fogelman, C.H. ; Goranson, P.L. ; Conner, D.L. ; Swain, D.W. ; Sayer, R.O.

Author_Institution

Oak Ridge Nat. Lab., TN, USA

Volume

2

fYear

1995

fDate

30 Sep-5 Oct 1995

Firstpage

1351

Abstract

The ion cyclotron (IC) and lower hybrid (LH) launchers for the Tokamak Physics Experiment (TPX) will be subjected to significant forces resulting from eddy currents induced in the launchers from the rapid decay of the plasma current during plasma disruption events. The launchers are being designed to withstand the forces resulting from a peak plasma current decay rate of 1.2 MA/ms and an average current decay rate of 0.5 MA/ms from an initial plasma current of 2 MA. The desire for highly reliable and low cost fabrication techniques prompted the comparison of pure copper and dispersion-hardened copper for the LH launcher. Its low nuclear activation rate, high electrical resistance, and high strength motivated the evaluation of Titanium as an IC antenna material

Keywords

Tokamak devices; fusion reactor design; plasma radiofrequency heating; 2 MA; Cu; TPX; Ti; Ti IC antenna material; Tokamak Physics Experiment; average current decay rate; dispersion-hardened Cu; eddy currents; electrical resistance; electromagnetic loads; initial plasma current; ion cyclotron launchers; lower hybrid launchers; nuclear activation rate; peak plasma current decay rate; plasma current decay; plasma disruption events; pure Cu; strength; Copper; Costs; Cyclotrons; Eddy currents; Electromagnetic forces; Electromagnetic launching; Hybrid integrated circuits; Physics; Plasma materials processing; Tokamaks;

fLanguage

English

Publisher

ieee

Conference_Titel

Fusion Engineering, 1995. SOFE '95. Seeking a New Energy Era., 16th IEEE/NPSS Symposium

Conference_Location

Champaign, IL

Print_ISBN

0-7803-2969-4

Type

conf

DOI

10.1109/FUSION.1995.534478

Filename

534478