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  • Nave, M. F. F. (author)

The effect of lower hybrid waves on JET plasma rotation

  • Article/chapterEnglish2017

Publisher, publication year, extent ...

  • 2016-12-22
  • Institute of Physics Publishing (IOPP),2017
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:kth-207989
  • https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-207989URI
  • https://doi.org/10.1088/1741-4326/aa4e54DOI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-399853URI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • QC 20170607
  • For complete list of authors see http://dx.doi.org/10.1088/1741-4326/aa4e54
  • This paper reports on observations of rotation in JET plasmas with lower hybrid current drive. Lower hybrid (LH) has a clear impact on rotation. The changes in core rotation can be either in the co- or counter-current directions. Experimental features that could determine the direction of rotation were investigated. Changes from co- to counter-rotation as the q-profile evolves from above unity to below unity suggests that magnetic shear could be important. However, LH can drive either co- or counter-rotation in discharges with similar magnetic shear and at the same plasma current. It is not clear if a slightly lower density is significant. A power scan at fixed density, shows a lower hybrid power threshold around 3 MW. For smaller LH powers, counter rotation increases with power, while for larger powers a trend towards co-rotation is found. The estimated counter-torque from the LH waves, would not explain the observed angular frequencies, neither would it explain the observation of co-rotation.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Kirov, K. (author)
  • Bernardo, J. (author)
  • Brix, M. (author)
  • Ferreira, J. (author)
  • Giroud, C. (author)
  • Hawkes, N. (author)
  • Hellsten, TorbjörnKTH,Fusionsplasmafysik(Swepub:kth)u16w7v9f (author)
  • Jonsson, Thomas,1974-KTH,Fusionsplasmafysik(Swepub:kth)u1xypjyh (author)
  • Mailloux, J. (author)
  • Ongena, J. (author)
  • Parra, F. (author)
  • Andersson Sundén, ErikUppsala universitet,Tillämpad kärnfysik(Swepub:uu)erasu959 (author)
  • Asp, E.Uppsala universitet,Tillämpad kärnfysik (author)
  • Binda, Federico,1987-Uppsala universitet,Tillämpad kärnfysik(Swepub:uu)frebi774 (author)
  • Cecconello, MarcoUppsala universitet,Tillämpad kärnfysik(Swepub:uu)marce924 (author)
  • Conroy, SeanUppsala universitet,Tillämpad kärnfysik(Swepub:uu)sco17122 (author)
  • Dzysiuk, NataliiaUppsala universitet,Tillämpad kärnfysik(Swepub:uu)natdz668 (author)
  • Ericsson, GöranUppsala universitet,Tillämpad kärnfysik(Swepub:uu)ger17122 (author)
  • Eriksson, Jacob,Dr,1985-Uppsala universitet,Tillämpad kärnfysik(Swepub:uu)jacer352 (author)
  • Hellesen, Carl,1980-Uppsala universitet,Tillämpad kärnfysik(Swepub:uu)cahel173 (author)
  • Hjalmarsson, AndersUppsala universitet,Tillämpad kärnfysik(Swepub:uu)ahj25356 (author)
  • Possnert, Göran,1951-Uppsala universitet,Tillämpad kärnfysik,Tandemlaboratoriet(Swepub:uu)gpo27116 (author)
  • Sjöstrand, Henrik,1978-Uppsala universitet,Tillämpad kärnfysik(Swepub:uu)hesjo677 (author)
  • Skiba, Mateusz,1985-Uppsala universitet,Tillämpad kärnfysik(Swepub:uu)matsk428 (author)
  • Weiszflog, MatthiasUppsala universitet,Tillämpad kärnfysik(Swepub:uu)mwe25666 (author)
  • Zychor, I. (author)
  • KTHFusionsplasmafysik (creator_code:org_t)

Related titles

  • In:Nuclear Fusion: Institute of Physics Publishing (IOPP)57:30029-55151741-4326

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