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Heliac parameter study

Journal Article · · Phys. Fluids; (United States)
DOI:https://doi.org/10.1063/1.864737· OSTI ID:6895149

Helical axis stellarators (heliacs) with zero net current are found to possess very good stability properties. Helically symmetric or ''straight'' heliacs with bean-shaped cross sections have a first region of stability that reaches to < ..beta..> of 30% or more. Those with circular cross sections have a second region of stability to Mercier modes. In addition, the stability properties of these plasma configurations as functions of pressure profile, helical aspect ratio, and helical period length are also reported.

Research Organization:
Plasma Physics Laboratory, Princeton University, Princeton, New Jersey 08544
DOE Contract Number:
AC02-76CH03073
OSTI ID:
6895149
Journal Information:
Phys. Fluids; (United States), Journal Name: Phys. Fluids; (United States) Vol. 27:5; ISSN PFLDA
Country of Publication:
United States
Language:
English