Abstract
AbstractConfigurations deviating from the optimum high‐mirror configuration of W7‐X may show significant bootstrap currents being detrimental for proper island divertor operation. Two basic scenarios to reconcile this are investigated with respect to equilibrium, stability and boundary structures. The first scenario with freely evolving bootstrap current realizes proper divertor operation by adjusting the vacuum magnetic field. As the bootstrap current evolves on the L/R time scale (40s) this needs long discharges. The second scenario compensates the net current by proper ECCD keeping the boundary structures basically constant sacrificing the low‐shear t ‐profile (mismatching ECCD and bootstrap current). Both scenarios seem to be viable experimental candidates. The present study needs further elaboration for more consistency between transport and equilibrium calculations (© 2010 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
