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The concept of marginal stability and recent experimental results from the TFTR Tokamak

Abstract

In recent experiments on TFTR the concept of marginal stability for ion temperature gradient driven modes was tested by pellet fuelling which strongly increased {eta}{sub i}=L{sub n}/L{sub Ti}. Such a shot has been studied with a fluid transport model and it was found that, as in the experiment the maximum {chi}{sub i} does not increase. This is due to stabilizing effects of compressibility and nonadiabaticity. (au).
Publication Date:
Dec 31, 1991
Product Type:
Technical Report
Report Number:
CTH-IEFT-PP-1991-26
Reference Number:
SCA: 700340; PA: AIX-23:033355; SN: 92000710961
Resource Relation:
Other Information: PBD: [1991]
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; TFTR TOKAMAK; DRIFT INSTABILITY; DIFFUSION LENGTH; ION TEMPERATURE; TEMPERATURE GRADIENTS; TRAPPED-PARTICLE INSTABILITY; 700340; PLASMA WAVES, OSCILLATIONS, AND INSTABILITIES
OSTI ID:
10136080
Research Organizations:
Chalmers Univ. of Technology, Goeteborg (Sweden). Inst. for Electromagnetic Field Theory and Plasma Physics
Country of Origin:
Sweden
Language:
English
Other Identifying Numbers:
Other: ON: DE92625068; TRN: SE9200024033355
Availability:
OSTI; NTIS (US Sales Only); INIS
Submitting Site:
SWDN
Size:
16 p.
Announcement Date:
Jul 05, 2005

Citation Formats

Nordman, H, and Weiland, J. The concept of marginal stability and recent experimental results from the TFTR Tokamak. Sweden: N. p., 1991. Web.
Nordman, H, & Weiland, J. The concept of marginal stability and recent experimental results from the TFTR Tokamak. Sweden.
Nordman, H, and Weiland, J. 1991. "The concept of marginal stability and recent experimental results from the TFTR Tokamak." Sweden.
@misc{etde_10136080,
title = {The concept of marginal stability and recent experimental results from the TFTR Tokamak}
author = {Nordman, H, and Weiland, J}
abstractNote = {In recent experiments on TFTR the concept of marginal stability for ion temperature gradient driven modes was tested by pellet fuelling which strongly increased {eta}{sub i}=L{sub n}/L{sub Ti}. Such a shot has been studied with a fluid transport model and it was found that, as in the experiment the maximum {chi}{sub i} does not increase. This is due to stabilizing effects of compressibility and nonadiabaticity. (au).}
place = {Sweden}
year = {1991}
month = {Dec}
}