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Quiescent Double Barrier Regime in the DIII-D Tokamak
- Source :
- Physical Review Letters. 86:4544-4547
- Publication Year :
- 2001
- Publisher :
- American Physical Society (APS), 2001.
-
Abstract
- A new sustained high-performance regime, combining discrete edge and core transport barriers, has been discovered in the DIII-D tokamak. Edge localized modes (ELMs) are replaced by a steady oscillation that increases edge particle transport, thereby allowing particle control with no ELM-induced pulsed divertor heat load. The core barrier resembles those usually seen with a low (L) mode edge, without the degradation often associated with ELMs. The barriers are separated by a narrow region of high transport associated with a zero crossing in the E x B shearing rate.
Details
- ISSN :
- 10797114 and 00319007
- Volume :
- 86
- Database :
- OpenAIRE
- Journal :
- Physical Review Letters
- Accession number :
- edsair.doi.dedup.....32e15e965aa53bfc6f12b539f028f85c