Predictive transport modelling of type I ELMy H-mode dynamics using a theory-motivated combined ballooning-peeling model

J. S. Lönnroth; V. Parail; A. Dnestrovskij; C. Figarella; X. Garbet; H. Wilson

doi:10.1088/0741-3335/46/8/003

Predictive transport modelling of type I ELMy H-mode dynamics using a theory-motivated combined ballooning-peeling model

J. S. Lönnroth, V. Parail, A. Dnestrovskij, C. Figarella, X. Garbet, H. Wilson

Research output: Contribution to journal › Article › peer-review

23 Scopus citations

Abstract

The predictive transport simulations of the type IELMy high confinement mode (H-mode) were discussed using motivated combined ballooning-peeling mode stability theory. It was observed that edge localized mode (ELM) was used to prevent the plasma from terminating due to impurity accumulation. It was found that ELM was controlled by a combination of magnetohydrodynamic (MHD) and ballooning mode instabilities were driven by edge pressure gradients. Analysis shows that the collapse of the pressure gradient induced by the ballooning phase of the ELM leads to a violation of the peeling mode stability criterion.

Original language	English
Pages (from-to)	1197-1215
Number of pages	19
Journal	Plasma Physics and Controlled Fusion
Volume	46
Issue number	8
DOIs	https://doi.org/10.1088/0741-3335/46/8/003
State	Published - Aug 2004
Externally published	Yes

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abstract = "The predictive transport simulations of the type IELMy high confinement mode (H-mode) were discussed using motivated combined ballooning-peeling mode stability theory. It was observed that edge localized mode (ELM) was used to prevent the plasma from terminating due to impurity accumulation. It was found that ELM was controlled by a combination of magnetohydrodynamic (MHD) and ballooning mode instabilities were driven by edge pressure gradients. Analysis shows that the collapse of the pressure gradient induced by the ballooning phase of the ELM leads to a violation of the peeling mode stability criterion.",

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AU - Lönnroth, J. S.

AU - Parail, V.

AU - Dnestrovskij, A.

AU - Figarella, C.

AU - Garbet, X.

AU - Wilson, H.

PY - 2004/8

Y1 - 2004/8

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AB - The predictive transport simulations of the type IELMy high confinement mode (H-mode) were discussed using motivated combined ballooning-peeling mode stability theory. It was observed that edge localized mode (ELM) was used to prevent the plasma from terminating due to impurity accumulation. It was found that ELM was controlled by a combination of magnetohydrodynamic (MHD) and ballooning mode instabilities were driven by edge pressure gradients. Analysis shows that the collapse of the pressure gradient induced by the ballooning phase of the ELM leads to a violation of the peeling mode stability criterion.

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JF - Plasma Physics and Controlled Fusion

IS - 8

ER -

Predictive transport modelling of type I ELMy H-mode dynamics using a theory-motivated combined ballooning-peeling model

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