High confinement dissipative divertor operation on Alcator C-Mod
Alcator C-Mod [I. H. Hutchinson et al., Phys. Plasmas 1, 1511 (1994)] has operated a High-confinement-mode (H-mode) plasma together with a dissipative divertor and low core Z eff . The initially attached plasma is characterized by steady-state enhancement factor, H ITER89P [P. N. Yushmanov et al., N...
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| Veröffentlicht in: | Physics of Plasmas 1999-05, Vol.6 (5), p.1899-1906 |
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| creator | Goetz, J. A. LaBombard, B. Lipschultz, B. Pitcher, C. S. Terry, J. L. Boswell, C. Gangadhara, S. Pappas, D. Weaver, J. Welch, B. Boivin, R. L. Bonoli, P. Fiore, C. Granetz, R. Greenwald, M. Hubbard, A. Hutchinson, I. Irby, J. Marmar, E. Mossessian, D. Porkolab, M. Rice, J. Rowan, W. L. Schilling, G. Snipes, J. Takase, Y. Wolfe, S. Wukitch, S. |
| description | Alcator C-Mod [I. H. Hutchinson et al., Phys. Plasmas 1, 1511 (1994)] has operated a High-confinement-mode (H-mode) plasma together with a dissipative divertor and low core
Z
eff
.
The initially attached plasma is characterized by steady-state enhancement factor,
H
ITER89P
[P. N. Yushmanov et al., Nucl. Fusion 30, 1999 (1990)], of 1.9, central
Z
eff
of 1.1, and a radiative fraction of ∼50%. Feedback control of a nitrogen gas puff is used to increase radiative losses in both the core/edge and divertor plasmas in almost equal amounts. Simultaneously, the core plasma maintains
H
ITER89P
of 1.6 and
Z
eff
of 1.4 in this nearly 100% radiative state. The power and particle flux to the divertor plates have been reduced to very low levels while the core plasma is relatively unchanged by the dissipative nature of the divertor. |
| doi_str_mv | 10.1063/1.873447 |
| format | Article |
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Z
eff
.
The initially attached plasma is characterized by steady-state enhancement factor,
H
ITER89P
[P. N. Yushmanov et al., Nucl. Fusion 30, 1999 (1990)], of 1.9, central
Z
eff
of 1.1, and a radiative fraction of ∼50%. Feedback control of a nitrogen gas puff is used to increase radiative losses in both the core/edge and divertor plasmas in almost equal amounts. Simultaneously, the core plasma maintains
H
ITER89P
of 1.6 and
Z
eff
of 1.4 in this nearly 100% radiative state. The power and particle flux to the divertor plates have been reduced to very low levels while the core plasma is relatively unchanged by the dissipative nature of the divertor.</description><identifier>ISSN: 1070-664X</identifier><identifier>EISSN: 1089-7674</identifier><identifier>DOI: 10.1063/1.873447</identifier><identifier>CODEN: PHPAEN</identifier><language>eng</language><publisher>United States</publisher><subject>70 PLASMA PHYSICS AND FUSION ; ALCATOR DEVICE ; DIVERTORS ; FEEDBACK ; OPERATION ; PLASMA CONFINEMENT ; PLASMA DIAGNOSTICS ; PLASMA INSTABILITY ; TOKAMAK DEVICES</subject><ispartof>Physics of Plasmas, 1999-05, Vol.6 (5), p.1899-1906</ispartof><rights>American Institute of Physics</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c319t-ba63f5e968f8d13f55adf8024bab333b6763b866dcf465447fd54047939e2c2c3</citedby><cites>FETCH-LOGICAL-c319t-ba63f5e968f8d13f55adf8024bab333b6763b866dcf465447fd54047939e2c2c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://pubs.aip.org/pop/article-lookup/doi/10.1063/1.873447$$EHTML$$P50$$Gscitation$$H</linktohtml><link.rule.ids>309,310,314,780,784,789,790,794,885,1559,4512,23930,23931,25140,27924,27925,76384,76390</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/344925$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Goetz, J. A.</creatorcontrib><creatorcontrib>LaBombard, B.</creatorcontrib><creatorcontrib>Lipschultz, B.</creatorcontrib><creatorcontrib>Pitcher, C. S.</creatorcontrib><creatorcontrib>Terry, J. L.</creatorcontrib><creatorcontrib>Boswell, C.</creatorcontrib><creatorcontrib>Gangadhara, S.</creatorcontrib><creatorcontrib>Pappas, D.</creatorcontrib><creatorcontrib>Weaver, J.</creatorcontrib><creatorcontrib>Welch, B.</creatorcontrib><creatorcontrib>Boivin, R. L.</creatorcontrib><creatorcontrib>Bonoli, P.</creatorcontrib><creatorcontrib>Fiore, C.</creatorcontrib><creatorcontrib>Granetz, R.</creatorcontrib><creatorcontrib>Greenwald, M.</creatorcontrib><creatorcontrib>Hubbard, A.</creatorcontrib><creatorcontrib>Hutchinson, I.</creatorcontrib><creatorcontrib>Irby, J.</creatorcontrib><creatorcontrib>Marmar, E.</creatorcontrib><creatorcontrib>Mossessian, D.</creatorcontrib><creatorcontrib>Porkolab, M.</creatorcontrib><creatorcontrib>Rice, J.</creatorcontrib><creatorcontrib>Rowan, W. L.</creatorcontrib><creatorcontrib>Schilling, G.</creatorcontrib><creatorcontrib>Snipes, J.</creatorcontrib><creatorcontrib>Takase, Y.</creatorcontrib><creatorcontrib>Wolfe, S.</creatorcontrib><creatorcontrib>Wukitch, S.</creatorcontrib><title>High confinement dissipative divertor operation on Alcator C-Mod</title><title>Physics of Plasmas</title><description>Alcator C-Mod [I. H. Hutchinson et al., Phys. Plasmas 1, 1511 (1994)] has operated a High-confinement-mode (H-mode) plasma together with a dissipative divertor and low core
Z
eff
.
The initially attached plasma is characterized by steady-state enhancement factor,
H
ITER89P
[P. N. Yushmanov et al., Nucl. Fusion 30, 1999 (1990)], of 1.9, central
Z
eff
of 1.1, and a radiative fraction of ∼50%. Feedback control of a nitrogen gas puff is used to increase radiative losses in both the core/edge and divertor plasmas in almost equal amounts. Simultaneously, the core plasma maintains
H
ITER89P
of 1.6 and
Z
eff
of 1.4 in this nearly 100% radiative state. The power and particle flux to the divertor plates have been reduced to very low levels while the core plasma is relatively unchanged by the dissipative nature of the divertor.</description><subject>70 PLASMA PHYSICS AND FUSION</subject><subject>ALCATOR DEVICE</subject><subject>DIVERTORS</subject><subject>FEEDBACK</subject><subject>OPERATION</subject><subject>PLASMA CONFINEMENT</subject><subject>PLASMA DIAGNOSTICS</subject><subject>PLASMA INSTABILITY</subject><subject>TOKAMAK DEVICES</subject><issn>1070-664X</issn><issn>1089-7674</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1999</creationdate><recordtype>article</recordtype><recordid>eNp9kF9LwzAUxYMoOKfgR6hv-tCZNGmSvjmGOmHii4JvIc0fF9makoSC397Uyl4E4cI9XH4czrkAXCK4QJDiW7TgDBPCjsAMQd6UjDJyPGoGS0rJ-yk4i_ETQkhozWfgbu0-toXynXWd2ZsuFdrF6HqZ3GCyHkxIPhS-NyGffFfkWe6UHI-r8tnrc3Bi5S6ai989B28P96-rdbl5eXxaLTelwqhJZSsptrVpKLdcoyxrqS2HFWllizFuKaO45ZRqZXOwnN_qmkDCGtyYSlUKz8HV5OtjciIql4za5tydUUnkwk1VZ-Z6YlTwMQZjRR_cXoYvgaAYvyOQmL6T0ZsJHZ1-mh3YwYcDJ3pt_2P_-H4D1TByHQ</recordid><startdate>19990501</startdate><enddate>19990501</enddate><creator>Goetz, J. A.</creator><creator>LaBombard, B.</creator><creator>Lipschultz, B.</creator><creator>Pitcher, C. S.</creator><creator>Terry, J. L.</creator><creator>Boswell, C.</creator><creator>Gangadhara, S.</creator><creator>Pappas, D.</creator><creator>Weaver, J.</creator><creator>Welch, B.</creator><creator>Boivin, R. L.</creator><creator>Bonoli, P.</creator><creator>Fiore, C.</creator><creator>Granetz, R.</creator><creator>Greenwald, M.</creator><creator>Hubbard, A.</creator><creator>Hutchinson, I.</creator><creator>Irby, J.</creator><creator>Marmar, E.</creator><creator>Mossessian, D.</creator><creator>Porkolab, M.</creator><creator>Rice, J.</creator><creator>Rowan, W. 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L. ; Schilling, G. ; Snipes, J. ; Takase, Y. ; Wolfe, S. ; Wukitch, S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c319t-ba63f5e968f8d13f55adf8024bab333b6763b866dcf465447fd54047939e2c2c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1999</creationdate><topic>70 PLASMA PHYSICS AND FUSION</topic><topic>ALCATOR DEVICE</topic><topic>DIVERTORS</topic><topic>FEEDBACK</topic><topic>OPERATION</topic><topic>PLASMA CONFINEMENT</topic><topic>PLASMA DIAGNOSTICS</topic><topic>PLASMA INSTABILITY</topic><topic>TOKAMAK DEVICES</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Goetz, J. A.</creatorcontrib><creatorcontrib>LaBombard, B.</creatorcontrib><creatorcontrib>Lipschultz, B.</creatorcontrib><creatorcontrib>Pitcher, C. S.</creatorcontrib><creatorcontrib>Terry, J. L.</creatorcontrib><creatorcontrib>Boswell, C.</creatorcontrib><creatorcontrib>Gangadhara, S.</creatorcontrib><creatorcontrib>Pappas, D.</creatorcontrib><creatorcontrib>Weaver, J.</creatorcontrib><creatorcontrib>Welch, B.</creatorcontrib><creatorcontrib>Boivin, R. L.</creatorcontrib><creatorcontrib>Bonoli, P.</creatorcontrib><creatorcontrib>Fiore, C.</creatorcontrib><creatorcontrib>Granetz, R.</creatorcontrib><creatorcontrib>Greenwald, M.</creatorcontrib><creatorcontrib>Hubbard, A.</creatorcontrib><creatorcontrib>Hutchinson, I.</creatorcontrib><creatorcontrib>Irby, J.</creatorcontrib><creatorcontrib>Marmar, E.</creatorcontrib><creatorcontrib>Mossessian, D.</creatorcontrib><creatorcontrib>Porkolab, M.</creatorcontrib><creatorcontrib>Rice, J.</creatorcontrib><creatorcontrib>Rowan, W. L.</creatorcontrib><creatorcontrib>Schilling, G.</creatorcontrib><creatorcontrib>Snipes, J.</creatorcontrib><creatorcontrib>Takase, Y.</creatorcontrib><creatorcontrib>Wolfe, S.</creatorcontrib><creatorcontrib>Wukitch, S.</creatorcontrib><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>Physics of Plasmas</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Goetz, J. A.</au><au>LaBombard, B.</au><au>Lipschultz, B.</au><au>Pitcher, C. S.</au><au>Terry, J. L.</au><au>Boswell, C.</au><au>Gangadhara, S.</au><au>Pappas, D.</au><au>Weaver, J.</au><au>Welch, B.</au><au>Boivin, R. L.</au><au>Bonoli, P.</au><au>Fiore, C.</au><au>Granetz, R.</au><au>Greenwald, M.</au><au>Hubbard, A.</au><au>Hutchinson, I.</au><au>Irby, J.</au><au>Marmar, E.</au><au>Mossessian, D.</au><au>Porkolab, M.</au><au>Rice, J.</au><au>Rowan, W. L.</au><au>Schilling, G.</au><au>Snipes, J.</au><au>Takase, Y.</au><au>Wolfe, S.</au><au>Wukitch, S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>High confinement dissipative divertor operation on Alcator C-Mod</atitle><jtitle>Physics of Plasmas</jtitle><date>1999-05-01</date><risdate>1999</risdate><volume>6</volume><issue>5</issue><spage>1899</spage><epage>1906</epage><pages>1899-1906</pages><issn>1070-664X</issn><eissn>1089-7674</eissn><coden>PHPAEN</coden><abstract>Alcator C-Mod [I. H. Hutchinson et al., Phys. Plasmas 1, 1511 (1994)] has operated a High-confinement-mode (H-mode) plasma together with a dissipative divertor and low core
Z
eff
.
The initially attached plasma is characterized by steady-state enhancement factor,
H
ITER89P
[P. N. Yushmanov et al., Nucl. Fusion 30, 1999 (1990)], of 1.9, central
Z
eff
of 1.1, and a radiative fraction of ∼50%. Feedback control of a nitrogen gas puff is used to increase radiative losses in both the core/edge and divertor plasmas in almost equal amounts. Simultaneously, the core plasma maintains
H
ITER89P
of 1.6 and
Z
eff
of 1.4 in this nearly 100% radiative state. The power and particle flux to the divertor plates have been reduced to very low levels while the core plasma is relatively unchanged by the dissipative nature of the divertor.</abstract><cop>United States</cop><doi>10.1063/1.873447</doi><tpages>8</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1070-664X |
| ispartof | Physics of Plasmas, 1999-05, Vol.6 (5), p.1899-1906 |
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| language | eng |
| recordid | cdi_crossref_primary_10_1063_1_873447 |
| source | AIP Journals Complete; AIP Digital Archive |
| subjects | 70 PLASMA PHYSICS AND FUSION ALCATOR DEVICE DIVERTORS FEEDBACK OPERATION PLASMA CONFINEMENT PLASMA DIAGNOSTICS PLASMA INSTABILITY TOKAMAK DEVICES |
| title | High confinement dissipative divertor operation on Alcator C-Mod |
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