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Design study of superconducting coils for the fusion DEMO plant at JAERI
Ist Teil von
Fusion engineering and design, 2006-02, Vol.81 (8), p.1257-1261
Ort / Verlag
Amsterdam: Elsevier B.V
Erscheinungsjahr
2006
Quelle
Alma/SFX Local Collection
Beschreibungen/Notizen
A design study of the TF coil for the fusion DEMO plant at JAERI is in progress. A major issue is to estimate the maximum fields generated by the TF coils for three tokamak options and two conductor options. Three tokamak options are proposed varying the aspect ratio and the role of the CS coil. Two kinds of conductors using advanced superconducting materials are candidates for the TF coils: Nb
3Al and high temperature superconductor (HTS). In order to evaluate achievable magnetic fields, a simple method was adopted to calculate mechanical properties. The estimated maximum fields are 17–20
T by the HTS conductor and 16–17
T by the Nb
3Al conductor. There is a possibility of a 0.7
T enhancement using grading of Nb
3Al winding.