Structure of MARFEs and ELMs in NSTX
The fast-evolving structure of MARFEs and ELMs is observed in the National Spherical Torus Experiment (NSTX) using a fast-framing camera. It is shown that Type V ELMs, the small ELM regime in NSTX, is characterized by a poloidally propagating ionization front close to the separatrix position. The EL...
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| Veröffentlicht in: | Journal of nuclear materials 2007-06, Vol.363-365, p.1000-1005 |
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| container_title | Journal of nuclear materials |
| container_volume | 363-365 |
| creator | Maqueda, R.J. Maingi, R. Tritz, K. Lee, K.C. Bush, C.E. Fredrickson, E.D. Menard, J.E. Roquemore, A.L. Sabbagh, S.A. Zweben, S.J. |
| description | The fast-evolving structure of MARFEs and ELMs is observed in the National Spherical Torus Experiment (NSTX) using a fast-framing camera. It is shown that Type V ELMs, the small ELM regime in NSTX, is characterized by a poloidally propagating ionization front close to the separatrix position. The ELMs also interact with the main chamber MARFE observed in NSTX coupling its movement and partial burn-through with that of the ELM cycle. During this cycle a toroidally localized MARFE precursor is seen propagating upward along field lines at speed of the order of 15km/s. This interaction between ELM activity and MARFEs may be responsible for slow heat pulse propagation speeds seen in the divertor region. |
| doi_str_mv | 10.1016/j.jnucmat.2007.01.166 |
| format | Article |
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Thermal use of fuels</subject><subject>Exact sciences and technology</subject><subject>Installations for energy generation and conversion: thermal and electrical energy</subject><subject>MARFE</subject><subject>NSTX</subject><subject>Visible imaging</subject><issn>0022-3115</issn><issn>1873-4820</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNqNkE9LwzAchoMoOKcfQehBvbX-8q9pTjJkU2FTcBO8hTRJIWVrZ9IKfns7NvA4T-_led8XHoSuMWQYcH5fZ3XTm43uMgIgMsAZzvMTNMKFoCkrCJyiEQAhKcWYn6OLGGsA4BL4CN0su9Cbrg8uaatkMXmfTWOiG5tM54uY-CZ5Xa4-L9FZpdfRXR1yjD5m09Xjczp_e3p5nMxTwyjpUsmkwawwuSM2Z2VlCmwllACWEMoK4JowEDktraDgSGmtyAXhWDNGgJWOjtHdfncb2q_exU5tfDRuvdaNa_uoiJSScyn-BTJB2XEQCOeCygHke9CENsbgKrUNfqPDj8KgdpZVrQ6W1c6yAqwGy0Pv9nCgo9HrKujG-PhXLiQMSvDAPew5N_j79i6oaLxrjLM-ONMp2_ojT794SJEA</recordid><startdate>20070615</startdate><enddate>20070615</enddate><creator>Maqueda, R.J.</creator><creator>Maingi, R.</creator><creator>Tritz, K.</creator><creator>Lee, K.C.</creator><creator>Bush, C.E.</creator><creator>Fredrickson, E.D.</creator><creator>Menard, J.E.</creator><creator>Roquemore, A.L.</creator><creator>Sabbagh, S.A.</creator><creator>Zweben, S.J.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>C1K</scope><scope>SOI</scope><scope>7TB</scope><scope>7U5</scope><scope>8FD</scope><scope>FR3</scope><scope>L7M</scope><scope>7SR</scope><scope>8BQ</scope><scope>JG9</scope></search><sort><creationdate>20070615</creationdate><title>Structure of MARFEs and ELMs in NSTX</title><author>Maqueda, R.J. ; Maingi, R. ; Tritz, K. ; Lee, K.C. ; Bush, C.E. ; Fredrickson, E.D. ; Menard, J.E. ; Roquemore, A.L. ; Sabbagh, S.A. ; Zweben, S.J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c432t-949c148c6e2d64bfc81d90b00d2234805a240763bd730e2bdd767251a44204be3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Applied sciences</topic><topic>Controled nuclear fusion plants</topic><topic>ELM</topic><topic>Energy</topic><topic>Energy. 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| source | Elsevier ScienceDirect Journals |
| subjects | Applied sciences Controled nuclear fusion plants ELM Energy Energy. Thermal use of fuels Exact sciences and technology Installations for energy generation and conversion: thermal and electrical energy MARFE NSTX Visible imaging |
| title | Structure of MARFEs and ELMs in NSTX |
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