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Abstract

Empirical scalings of energy confinement are used to predict ignition parameters in a Helias reactor. These scaling laws are: Lackner-Gottardi scaling (LGS), international stellarator scaling (ISS95) and international stellarator scaling with W-7 data only (ISS95(W7)). For comparison, tokamak scaling laws (ITER89 and ELMYH92y) are also taken into account. The results show that ISS95 yields a confinement time which is too small for ignition. LGS and ISS95(W7), however, are sufficient for ignition. An isotope factor or any improvement by H-mode confinement are not taken into account. The Helias reactor requires a confinement time of 1.7 s.

Additional information

Authors: BEIDLER C D, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE);STROTH U, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE);WOBIG H, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE)
Bibliographic Reference: Report: IPP/338 EN (1998) 26pp.
Availability: Available from the Max-Planck-Institut für Plasmaphysik, 85748 Garching bei München (DE)
Record Number: 199810546 / Last updated on: 1998-05-05
Category: PUBLICATION
Original language: en
Available languages: en