Long timescale density peaking in JET

M. Valovic; J. Rapp; J. G. Cordey; R. Budny; D. C. McDonald; L. Garzotti; A. Kallenbach; M. A. Mahdavi; J. Ongena; V. Parail; G. Saibene; R. Sartori; M. Stamp; O. Sauter; J. Strachan; W. Suttrop

doi:10.1088/0741-3335/44/9/309

Long timescale density peaking in JET

M. Valovic, J. Rapp, J. G. Cordey, R. Budny, D. C. McDonald, L. Garzotti, A. Kallenbach, M. A. Mahdavi, J. Ongena, V. Parail, G. Saibene, R. Sartori, M. Stamp, O. Sauter, J. Strachan, W. Suttrop

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Abstract

Long timescale density peaking has been observed in JET plasmas leading to densities exceeding the Greenwald value. These neutral beam heated discharges are characterized by type-I ELMs and good energy confinement. Central density is limited by neoclassical tearing modes or by termination of H-mode preceded by loss of sawteeth. When these limiting factors are avoided (i.e. at intermediate power level and with optimization of gas puffing) quasi-stationary high density plasmas with peaked density profile are obtained.

Original language	English
Pages (from-to)	1911-1917
Number of pages	7
Journal	Plasma Physics and Controlled Fusion
Volume	44
Issue number	9
DOIs	https://doi.org/10.1088/0741-3335/44/9/309
State	Published - Sep 2002
Externally published	Yes

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title = "Long timescale density peaking in JET",

abstract = "Long timescale density peaking has been observed in JET plasmas leading to densities exceeding the Greenwald value. These neutral beam heated discharges are characterized by type-I ELMs and good energy confinement. Central density is limited by neoclassical tearing modes or by termination of H-mode preceded by loss of sawteeth. When these limiting factors are avoided (i.e. at intermediate power level and with optimization of gas puffing) quasi-stationary high density plasmas with peaked density profile are obtained.",

author = "M. Valovic and J. Rapp and Cordey, {J. G.} and R. Budny and McDonald, {D. C.} and L. Garzotti and A. Kallenbach and Mahdavi, {M. A.} and J. Ongena and V. Parail and G. Saibene and R. Sartori and M. Stamp and O. Sauter and J. Strachan and W. Suttrop",

year = "2002",

month = sep,

doi = "10.1088/0741-3335/44/9/309",

language = "English",

volume = "44",

pages = "1911--1917",

journal = "Plasma Physics and Controlled Fusion",

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TY - JOUR

T1 - Long timescale density peaking in JET

AU - Valovic, M.

AU - Rapp, J.

AU - Cordey, J. G.

AU - Budny, R.

AU - McDonald, D. C.

AU - Garzotti, L.

AU - Kallenbach, A.

AU - Mahdavi, M. A.

AU - Ongena, J.

AU - Parail, V.

AU - Saibene, G.

AU - Sartori, R.

AU - Stamp, M.

AU - Sauter, O.

AU - Strachan, J.

AU - Suttrop, W.

PY - 2002/9

Y1 - 2002/9

N2 - Long timescale density peaking has been observed in JET plasmas leading to densities exceeding the Greenwald value. These neutral beam heated discharges are characterized by type-I ELMs and good energy confinement. Central density is limited by neoclassical tearing modes or by termination of H-mode preceded by loss of sawteeth. When these limiting factors are avoided (i.e. at intermediate power level and with optimization of gas puffing) quasi-stationary high density plasmas with peaked density profile are obtained.

AB - Long timescale density peaking has been observed in JET plasmas leading to densities exceeding the Greenwald value. These neutral beam heated discharges are characterized by type-I ELMs and good energy confinement. Central density is limited by neoclassical tearing modes or by termination of H-mode preceded by loss of sawteeth. When these limiting factors are avoided (i.e. at intermediate power level and with optimization of gas puffing) quasi-stationary high density plasmas with peaked density profile are obtained.

UR - http://www.scopus.com/inward/record.url?scp=0036751510&partnerID=8YFLogxK

U2 - 10.1088/0741-3335/44/9/309

DO - 10.1088/0741-3335/44/9/309

M3 - Article

AN - SCOPUS:0036751510

SN - 0741-3335

VL - 44

SP - 1911

EP - 1917

JO - Plasma Physics and Controlled Fusion

JF - Plasma Physics and Controlled Fusion

IS - 9

ER -

Long timescale density peaking in JET

Abstract

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