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Title: First evidence of collective alpha particle effect on TAE modes in the TFTR D-T experiment

Abstract

The alpha particle effect on the excitation of toroidal Alfven eigenmodes (TAE) was investigated in deuterium-tritium (d-t) plasmas in the Tokamak Fusion Test Reactor (TFTR). RF power was used to position the plasma near the instability threshold, and the alpha particle effect was inferred from the reduction of RF power threshold for TAE instability in d-t plasmas. Initial calculations indicate that the alpha particles contribute 10--30% of the total drive in a d-t plasma with 3 MW of peak fusion power.

Authors:
; ;  [1]
  1. and others
Publication Date:
Research Org.:
Princeton Univ., NJ (United States). Plasma Physics Lab.
Sponsoring Org.:
USDOE, Washington, DC (United States)
OSTI Identifier:
206584
Report Number(s):
PPPL-3132
ON: DE96007490; TRN: 96:009415
DOE Contract Number:  
AC02-76CH03073
Resource Type:
Technical Report
Resource Relation:
Other Information: PBD: Aug 1995
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION; TFTR TOKAMAK; PLASMA INSTABILITY; ALFVEN WAVES; D-T OPERATION; ALPHA PARTICLES; PRESSURE GRADIENTS; EXPERIMENTAL DATA; ICR HEATING; ENERGY ABSORPTION

Citation Formats

Wong, K.L., Schmidt, G., and Batha, S.H. First evidence of collective alpha particle effect on TAE modes in the TFTR D-T experiment. United States: N. p., 1995. Web. doi:10.2172/206584.
Wong, K.L., Schmidt, G., & Batha, S.H. First evidence of collective alpha particle effect on TAE modes in the TFTR D-T experiment. United States. doi:10.2172/206584.
Wong, K.L., Schmidt, G., and Batha, S.H. Tue . "First evidence of collective alpha particle effect on TAE modes in the TFTR D-T experiment". United States. doi:10.2172/206584. https://www.osti.gov/servlets/purl/206584.
@article{osti_206584,
title = {First evidence of collective alpha particle effect on TAE modes in the TFTR D-T experiment},
author = {Wong, K.L. and Schmidt, G. and Batha, S.H.},
abstractNote = {The alpha particle effect on the excitation of toroidal Alfven eigenmodes (TAE) was investigated in deuterium-tritium (d-t) plasmas in the Tokamak Fusion Test Reactor (TFTR). RF power was used to position the plasma near the instability threshold, and the alpha particle effect was inferred from the reduction of RF power threshold for TAE instability in d-t plasmas. Initial calculations indicate that the alpha particles contribute 10--30% of the total drive in a d-t plasma with 3 MW of peak fusion power.},
doi = {10.2172/206584},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Aug 01 00:00:00 EDT 1995},
month = {Tue Aug 01 00:00:00 EDT 1995}
}

Technical Report:

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