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Edge Temperature Gradient as Intrinsic Rotation Drive in Alcator C-Mod Tokamak Plasmas

Authors :
Massachusetts Institute of Technology. Department of Nuclear Science and Engineering
Massachusetts Institute of Technology. Department of Physics
Massachusetts Institute of Technology. Plasma Science and Fusion Center
Whyte, Dennis G.
Rice, John E.
Hughes, Jerry W.
Podpaly, Yuri A.
Reinke, Matthew Logan
Greenwald, Martin J.
Hubbard, Amanda E.
Marmar, Earl S.
Diamond, P. H.
Kosuga, Y.
Gürcan, Ö. D.
Hahm, T. S.
McDevitt, C. J.
Massachusetts Institute of Technology. Department of Nuclear Science and Engineering
Massachusetts Institute of Technology. Department of Physics
Massachusetts Institute of Technology. Plasma Science and Fusion Center
Whyte, Dennis G.
Rice, John E.
Hughes, Jerry W.
Podpaly, Yuri A.
Reinke, Matthew Logan
Greenwald, Martin J.
Hubbard, Amanda E.
Marmar, Earl S.
Diamond, P. H.
Kosuga, Y.
Gürcan, Ö. D.
Hahm, T. S.
McDevitt, C. J.
Source :
APS
Publication Year :
2011

Abstract

Intrinsic rotation has been observed in I-mode plasmas from the C-Mod tokamak, and is found to be similar to that in H mode, both in its edge origin and in the scaling with global pressure. Since both plasmas have similar edge ∇T, but completely different edge ∇n, it may be concluded that the drive of the intrinsic rotation is the edge ∇T rather than ∇P. Evidence suggests that the connection between gradients and rotation is the residual stress, and a scaling for the rotation from conversion of free energy to macroscopic flow is calculated.<br />United States. Dept. of Energy (contract DE-FC02-99ER54512)<br />United States. Dept. of Energy (contract DEAC02- 09CH11466)<br />United States. Dept. of Energy (contract DE-FG02-04ER54738)<br />Korea (South). Ministry of Education, Science and Technology (MEST) (W. C. I. program)<br />French National Research Agency (ANR) (contract ANR-06-PLAN-0084)

Details

Database :
OAIster
Journal :
APS
Notes :
application/pdf, en_US
Publication Type :
Electronic Resource
Accession number :
edsoai.ocn796402711
Document Type :
Electronic Resource