Type-I ELM precursor modes in JET

P. Perez, C.; R. Koslowski, H.; Huysmans, G.; C. Hender, T.; Smeulders, P.; Alper, B.; de la Luna, E.; J. Hastie, R.; Meneses, L.; F. F. Nave, M.; Parail, V.; Zerbini, M.; Contributors, Jet-Efda

doi:10.1088/0029-5515/44/5/005

Public

Type-I ELM precursor modes in JET

Shared by NobleBlocks on Apr 6, 2004 • 12:00 AM UTC

Authors:

C. P. Perez

H. R. Koslowski

G. Huysmans

Abstract

Clear low frequency (typically 5–25 kHz) coherent type-I ELM precursor modes have been identified in JET. They are detected through various diagnostics, especially in the ECE and Mirnov signals, but also on the SXR cameras and the multichannel O-mode edge reflectometer. The modes propagate in the di...

Subject

Collisionality

Pedestal

Jet (fluid)

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