130 0

Turbulent momentum pinch of diamagnetic flows in a tokamak

Title
Turbulent momentum pinch of diamagnetic flows in a tokamak
Author
이정표
Keywords
tokamak; rotation; momentum pinch; STABILIZATION; TRANSPORT; ROTATION; MODES
Issue Date
2014-01
Publisher
IOP PUBLISHING LTD
Citation
NUCLEAR FUSION, Vol.54, No.2, p.1-5
Abstract
The ion toroidal rotation in a tokamak consists of an E×B flow due to the radial electric field and a diamagnetic flow due to the radial pressure gradient. The turbulent pinch of toroidal angular momentum due to the Coriolis force studied in previous work is only applicable to the E×B flow. In this Letter, the momentum pinch for the rotation generated by the radial pressure gradient is calculated and is compared with the Coriolis pinch. This distinction is important for subsonic flows or the flow in the pedestal where the two types of flows are similar in size and opposite in direction. In the edge, the different pinches due to the opposite rotations can result in intrinsic momentum transport that gives significant rotation peaking.
URI
https://arxiv.org/abs/1301.4260http://hdl.handle.net/20.500.11754/47477
ISSN
0029-5515
DOI
10.1088/0029-5515/54/2/022002
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > NUCLEAR ENGINEERING(원자력공학과) > Articles
Files in This Item:
There are no files associated with this item.
Export
RIS (EndNote)
XLS (Excel)
XML


qrcode

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.

BROWSE