Secondary ELM filaments in NSTX

R. J. Maqueda; R. Maingi; J. W. Ahn

doi:10.1016/j.jnucmat.2009.01.222

Secondary ELM filaments in NSTX

R. J. Maqueda
, R. Maingi
, J. W. Ahn

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

20 Scopus citations

Abstract

Filamentary structures are observed in the scrape-off layer of the National Spherical Torus Experiment during ELMs. While the primary filaments correspond to a direct result of the ELM event, the 'secondary' filaments which occur generally later but still within 1 ms of the ELM onset are observed to have the same characteristics as inter-ELM filaments (or blobs): poloidal auto-correlation lengths of ∼4 cm, broadband frequency and poloidal wave number spectra and radial velocities of 1-2 km/s. At the same time, no MHD modes are observed during the phase in which secondary filaments are present.

Original language	English (US)
Pages (from-to)	843-846
Number of pages	4
Journal	Journal of Nuclear Materials
Volume	390-391
Issue number	1
DOIs	https://doi.org/10.1016/j.jnucmat.2009.01.222
State	Published - Jun 15 2009
Externally published	Yes

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics
General Materials Science
Nuclear Energy and Engineering

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10.1016/j.jnucmat.2009.01.222

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title = "Secondary ELM filaments in NSTX",

abstract = "Filamentary structures are observed in the scrape-off layer of the National Spherical Torus Experiment during ELMs. While the primary filaments correspond to a direct result of the ELM event, the 'secondary' filaments which occur generally later but still within 1 ms of the ELM onset are observed to have the same characteristics as inter-ELM filaments (or blobs): poloidal auto-correlation lengths of ∼4 cm, broadband frequency and poloidal wave number spectra and radial velocities of 1-2 km/s. At the same time, no MHD modes are observed during the phase in which secondary filaments are present.",

author = "Maqueda, \{R. J.\} and R. Maingi and Ahn, \{J. W.\}",

year = "2009",

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T1 - Secondary ELM filaments in NSTX

AU - Maqueda, R. J.

AU - Maingi, R.

AU - Ahn, J. W.

PY - 2009/6/15

Y1 - 2009/6/15

N2 - Filamentary structures are observed in the scrape-off layer of the National Spherical Torus Experiment during ELMs. While the primary filaments correspond to a direct result of the ELM event, the 'secondary' filaments which occur generally later but still within 1 ms of the ELM onset are observed to have the same characteristics as inter-ELM filaments (or blobs): poloidal auto-correlation lengths of ∼4 cm, broadband frequency and poloidal wave number spectra and radial velocities of 1-2 km/s. At the same time, no MHD modes are observed during the phase in which secondary filaments are present.

AB - Filamentary structures are observed in the scrape-off layer of the National Spherical Torus Experiment during ELMs. While the primary filaments correspond to a direct result of the ELM event, the 'secondary' filaments which occur generally later but still within 1 ms of the ELM onset are observed to have the same characteristics as inter-ELM filaments (or blobs): poloidal auto-correlation lengths of ∼4 cm, broadband frequency and poloidal wave number spectra and radial velocities of 1-2 km/s. At the same time, no MHD modes are observed during the phase in which secondary filaments are present.

UR - https://www.scopus.com/pages/publications/66449117437

UR - https://www.scopus.com/pages/publications/66449117437#tab=citedBy

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VL - 390-391

SP - 843

EP - 846

JO - Journal of Nuclear Materials

JF - Journal of Nuclear Materials

IS - 1

ER -

Secondary ELM filaments in NSTX

Abstract

All Science Journal Classification (ASJC) codes

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