DC Field | Value | Language |
---|---|---|
dc.contributor.author | Bae, YS | - |
dc.contributor.author | Cho, MH | - |
dc.contributor.author | Namkung, W | - |
dc.contributor.author | Bernabei, S | - |
dc.contributor.author | Ellis, R | - |
dc.contributor.author | Wilson, J | - |
dc.contributor.author | Hosea, J | - |
dc.contributor.author | Park, H | - |
dc.date.accessioned | 2017-07-19T06:24:40Z | - |
dc.date.available | 2017-07-19T06:24:40Z | - |
dc.date.created | 2009-02-28 | - |
dc.date.issued | 2006-12 | - |
dc.identifier.issn | 0374-4884 | - |
dc.identifier.uri | https://oasis.postech.ac.kr/handle/2014.oak/33654 | - |
dc.description.abstract | A 5 GHz Lower Hybrid Current Drive (LHCD) system with 2 MW is under development for the steady-state operations of the KSTAR. The present design of fully active waveguide launcher gives very good spectral directivity of more than 90 % for the phase shift of 90 degrees and a wider N-parallel to range of 1.4 to 3.6 with a width Delta N-parallel to = 0.54. For the steady-state operations of the KSTAR, a Glidcop/SS sandwiched grill is proposed with consideration of heat and disruption loads. A PAM (Passive-Active Multi-junction)-type launcher is also studied for the possibility of use for the KSTAR. The PAM-type launcher provided good coupling properties even at lower edge densities in FTU 8 GHz PAM launcher tests. However, it gives a lower current drive efficiency compared with the conventional grill because of reduced directivities. The Passive/Active grill has 30 % less directivity than the Fully Active grill from the characteristic studies on the directivity and coupling. On the other hand, it gives a good coupling property with weak dependence on the phase shift between adjacent waveguides. | - |
dc.language | English | - |
dc.publisher | KOREAN PHYSICAL SOC | - |
dc.relation.isPartOf | JOURNAL OF THE KOREAN PHYSICAL SOCIETY | - |
dc.subject | KSTAR | - |
dc.subject | lower-hybrd | - |
dc.subject | launcher | - |
dc.subject | WAVEGUIDE ARRAY | - |
dc.subject | TOKAMAK | - |
dc.subject | PLASMA | - |
dc.subject | EDGE | - |
dc.title | Launcher study for KSTAR 5 GHz LHCD system | - |
dc.type | Article | - |
dc.type.rims | ART | - |
dc.identifier.bibliographicCitation | JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.49, pp.S314 - S319 | - |
dc.identifier.wosid | 000243198300068 | - |
dc.date.tcdate | 2019-02-01 | - |
dc.citation.endPage | S319 | - |
dc.citation.startPage | S314 | - |
dc.citation.title | JOURNAL OF THE KOREAN PHYSICAL SOCIETY | - |
dc.citation.volume | 49 | - |
dc.contributor.affiliatedAuthor | Cho, MH | - |
dc.contributor.affiliatedAuthor | Namkung, W | - |
dc.description.journalClass | 1 | - |
dc.description.journalClass | 1 | - |
dc.description.wostc | 2 | - |
dc.type.docType | Article; Proceedings Paper | - |
dc.subject.keywordPlus | WAVEGUIDE ARRAY | - |
dc.subject.keywordPlus | TOKAMAK | - |
dc.subject.keywordPlus | PLASMA | - |
dc.subject.keywordPlus | EDGE | - |
dc.subject.keywordAuthor | KSTAR | - |
dc.subject.keywordAuthor | lower-hybrd | - |
dc.subject.keywordAuthor | launcher | - |
dc.relation.journalWebOfScienceCategory | Physics, Multidisciplinary | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.description.journalRegisteredClass | kci | - |
dc.relation.journalResearchArea | Physics | - |
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