H-MODE STUDIES WITH MICROWAVE REFLECTOMETRY ON ASDEX UPGRADE

Authors
MANSO M SERRA F KURZAN B NUNES I SANTOS J SILVA A SUTTROP W VARELA P VERGAMOTA S
Citation
M. Manso et al., H-MODE STUDIES WITH MICROWAVE REFLECTOMETRY ON ASDEX UPGRADE, Plasma physics and controlled fusion, 40(5), 1998, pp. 747-752
Citations number
6
Categorie Soggetti
Phsycs, Fluid & Plasmas","Physics, Nuclear
Journal title
Plasma physics and controlled fusion → ACNP
ISSN journal
07413335
Volume
40
Issue
5
Year of publication
1998
Pages
747 - 752
Database
ISI
SICI code
0741-3335(1998)40:5<747:HSWMRO>2.0.ZU;2-G
Abstract
The microwave reflectometry system on ASDEX Upgrade measures density p rofiles tin broadband swept operation) and plasma fluctuations (fixed- frequency operation) both at the high-field side (HFS) and low-field s ide (LFS). Densities up to 6.5 x 10(19) m(-3) can be probed. We analys e the evolution of turbulence at the LH transition and during the ELMy phase of H-mode discharges. The detailed density profile evolution du ring type I ELMs is resolved and profile oscillations associated with ELM precursors are studied.