A new look at JET operation with Be as plasma facing material
Experiments at JET with Be as plasma-facing material demonstrate that although Be PFCs are easily damaged, the consequences for plasma operation are mild. L-mode plasmas up to a current of 7MA and heating power ∼30MW were obtained on heavily damaged Be limiter with ∼12MJ plasma energy, albeit with a...
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| Veröffentlicht in: | Journal of nuclear materials 2005-03, Vol.337-339, p.816-820 |
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| container_title | Journal of nuclear materials |
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| creator | Loarte, A. Saibene, G. Sartori, R. Campbell, D.J. Lomas, P.J. Matthews, G.F. |
| description | Experiments at JET with Be as plasma-facing material demonstrate that although Be PFCs are easily damaged, the consequences for plasma operation are mild. L-mode plasmas up to a current of 7MA and heating power ∼30MW were obtained on heavily damaged Be limiter with ∼12MJ plasma energy, albeit with a very high Be content. The behaviour of H-mode plasmas in contact with a molten Be divertor target was studied. Despite the heavy damage to the target (∼3mm molten grooves) no plasma performance deterioration was observed for medium density ELMy H-modes. Type I ELMs, in these conditions, lead to ∼40μm melt layer formation but to an average melt layer loss of only ∼4%. Based on these results, conclusions for ITER limiter and divertor operation are extracted. |
| doi_str_mv | 10.1016/j.jnucmat.2004.09.038 |
| format | Article |
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L-mode plasmas up to a current of 7MA and heating power ∼30MW were obtained on heavily damaged Be limiter with ∼12MJ plasma energy, albeit with a very high Be content. The behaviour of H-mode plasmas in contact with a molten Be divertor target was studied. Despite the heavy damage to the target (∼3mm molten grooves) no plasma performance deterioration was observed for medium density ELMy H-modes. Type I ELMs, in these conditions, lead to ∼40μm melt layer formation but to an average melt layer loss of only ∼4%. Based on these results, conclusions for ITER limiter and divertor operation are extracted.</description><identifier>ISSN: 0022-3115</identifier><identifier>EISSN: 1873-4820</identifier><identifier>DOI: 10.1016/j.jnucmat.2004.09.038</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Beryllium ; ITER ; JET ; Liquid metal ; Plasma facing components ; Thermal load</subject><ispartof>Journal of nuclear materials, 2005-03, Vol.337-339, p.816-820</ispartof><rights>2004</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c340t-4dafe33354bc7a7152b0e9029e90f63c4fa5d77fb12a241c512361ec476074253</citedby><cites>FETCH-LOGICAL-c340t-4dafe33354bc7a7152b0e9029e90f63c4fa5d77fb12a241c512361ec476074253</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0022311504009110$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27903,27904,65309</link.rule.ids></links><search><creatorcontrib>Loarte, A.</creatorcontrib><creatorcontrib>Saibene, G.</creatorcontrib><creatorcontrib>Sartori, R.</creatorcontrib><creatorcontrib>Campbell, D.J.</creatorcontrib><creatorcontrib>Lomas, P.J.</creatorcontrib><creatorcontrib>Matthews, G.F.</creatorcontrib><creatorcontrib>EFDA-JET workprogramme collaborators</creatorcontrib><title>A new look at JET operation with Be as plasma facing material</title><title>Journal of nuclear materials</title><description>Experiments at JET with Be as plasma-facing material demonstrate that although Be PFCs are easily damaged, the consequences for plasma operation are mild. L-mode plasmas up to a current of 7MA and heating power ∼30MW were obtained on heavily damaged Be limiter with ∼12MJ plasma energy, albeit with a very high Be content. The behaviour of H-mode plasmas in contact with a molten Be divertor target was studied. Despite the heavy damage to the target (∼3mm molten grooves) no plasma performance deterioration was observed for medium density ELMy H-modes. Type I ELMs, in these conditions, lead to ∼40μm melt layer formation but to an average melt layer loss of only ∼4%. Based on these results, conclusions for ITER limiter and divertor operation are extracted.</description><subject>Beryllium</subject><subject>ITER</subject><subject>JET</subject><subject>Liquid metal</subject><subject>Plasma facing components</subject><subject>Thermal load</subject><issn>0022-3115</issn><issn>1873-4820</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><recordid>eNqFkEtPwzAQhC0EEqXwE5B84pawfuVxQKhU5aVKXMrZcp0NOCRxsVMq_j2p2juX2cvMrOYj5JpByoBlt03a9FvbmSHlADKFMgVRnJAJK3KRyILDKZkAcJ4IxtQ5uYixAQBVgpqQuxntcUdb77-oGejrYkX9BoMZnO_pzg2f9AGpiXTTmtgZWhvr-g86_sLgTHtJzmrTRrw63il5f1ys5s_J8u3pZT5bJlZIGBJZmRqFEEqubW5ypvgasARejlJnwsraqCrP6zXjhktmFeMiY2hlnkEuuRJTcnPo3QT_vcU46M5Fi21revTbqHmhCq4UH43qYLTBxxiw1pvgOhN-NQO9h6UbfYSl97A0lHqENebuDzkcV_w4DDpah73FygW0g668-6fhDwv7c4Y</recordid><startdate>20050301</startdate><enddate>20050301</enddate><creator>Loarte, A.</creator><creator>Saibene, G.</creator><creator>Sartori, R.</creator><creator>Campbell, D.J.</creator><creator>Lomas, P.J.</creator><creator>Matthews, G.F.</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TB</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20050301</creationdate><title>A new look at JET operation with Be as plasma facing material</title><author>Loarte, A. ; Saibene, G. ; Sartori, R. ; Campbell, D.J. ; Lomas, P.J. ; Matthews, G.F.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c340t-4dafe33354bc7a7152b0e9029e90f63c4fa5d77fb12a241c512361ec476074253</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>Beryllium</topic><topic>ITER</topic><topic>JET</topic><topic>Liquid metal</topic><topic>Plasma facing components</topic><topic>Thermal load</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Loarte, A.</creatorcontrib><creatorcontrib>Saibene, G.</creatorcontrib><creatorcontrib>Sartori, R.</creatorcontrib><creatorcontrib>Campbell, D.J.</creatorcontrib><creatorcontrib>Lomas, P.J.</creatorcontrib><creatorcontrib>Matthews, G.F.</creatorcontrib><creatorcontrib>EFDA-JET workprogramme collaborators</creatorcontrib><collection>CrossRef</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of nuclear materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Loarte, A.</au><au>Saibene, G.</au><au>Sartori, R.</au><au>Campbell, D.J.</au><au>Lomas, P.J.</au><au>Matthews, G.F.</au><aucorp>EFDA-JET workprogramme collaborators</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A new look at JET operation with Be as plasma facing material</atitle><jtitle>Journal of nuclear materials</jtitle><date>2005-03-01</date><risdate>2005</risdate><volume>337-339</volume><spage>816</spage><epage>820</epage><pages>816-820</pages><issn>0022-3115</issn><eissn>1873-4820</eissn><abstract>Experiments at JET with Be as plasma-facing material demonstrate that although Be PFCs are easily damaged, the consequences for plasma operation are mild. 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| ispartof | Journal of nuclear materials, 2005-03, Vol.337-339, p.816-820 |
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| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Beryllium ITER JET Liquid metal Plasma facing components Thermal load |
| title | A new look at JET operation with Be as plasma facing material |
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