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Journal ArticleDOI

TFTR DT experiments

J. D. Strachan, +130 more
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TLDR
The Tokamak Fusion Test Reactor (TFTR) is a large tokamak which has performed experiments with 50:50 deuterium - tritium fuelled plasmas as discussed by the authors.
Abstract
The Tokamak Fusion Test Reactor (TFTR) is a large tokamak which has performed experiments with 50:50 deuterium - tritium fuelled plasmas. Since 1993, TFTR has produced about 1090 D - T plasmas using about 100 grams of tritium and producing about 1.6 GJ of D - T fusion energy. These plasmas have significant populations of 3.5 MeV alphas (the charged D - T fusion product). TFTR research has focused on alpha particle confinement, alpha driven modes, and alpha heating studies. Maximum D - T fusion power production has aided these studies, requiring simultaneously operation at high input heating power and large energy confinement time (to produce the highest temperature and density), while maintaining low impurity content. The principal limitation to the TFTR fusion power production was the disruptive stability limit. Secondary limitations were the confinement time, and limiter power handling capability.

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Journal ArticleDOI

Alpha Particle Physics Experiments in the Tokamak Fusion Test Reactor

TL;DR: The results from the alpha particle diagnostics agreed with the classical single particle confinement model in MHD quiescent discharges as mentioned in this paper, and the alpha loss due to toroidal field ripple was identified in some cases, and low radial diffusivity inferred for high energy alphas was consistent with orbit averaging over small scale turbulence.
Journal ArticleDOI

Super-thermal particles in hot plasmas—Kinetic models, numerical solution strategies, and comparison to tokamak experiments

TL;DR: In this article, a more detailed and quantitative understanding of fast-particle-driven instabilities in hot plasmas has been presented, which can be used to diagnose various kinetic features of the plasma modes that are responsible for the transport of energetic particles.
Journal ArticleDOI

Tokamak plasma diagnostics based on measured neutron signals

TL;DR: In this paper, the authors present a review of the modeling and analysis of measured neutrons relevant for plasma diagnostics on tokamaks and present a sophisticated numerical procedure which directly relates detector signals to physics properties of the emitted neutrons from the plasma.
References
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Journal ArticleDOI

The behaviour of fast ions in tokamak experiments

W.W. Heidbrink, +1 more
- 01 Apr 1994 - 
TL;DR: In this paper, the velocity distribution of fast ion populations is determined primarily by Coulomb scattering; during wave heating, perpendicular acceleration by the RF waves is also important, and this velocity distribution is typically much slower than thermal transport, except during MHD events.
Journal ArticleDOI

Fusion power production from TFTR plasmas fueled with deuterium and tritium

J. D. Strachan, +135 more
TL;DR: The measured loss rate of energetic alpha particles agreed with the approximately 5% losses expected from alpha particles which are born on unconfined orbits.
Journal ArticleDOI

Confinement and heating of a deuterium-tritium plasma.

R. J. Hawryluk, +135 more
TL;DR: Improvements in confinement associated with the use of tritium and possibly heating of electrons by α-particles are indicated.
Journal ArticleDOI

Stabilization and onset of sawteeth in TFTR.

TL;DR: It has been found that the [omega][sup *]-stabilization criterion of the two-fluid collisionless [ital m]=1 reconnection mode agrees very well with the presence or absence of sawteeth in TFTR and no beta limits to the sawtooth stabilization have been observed.
Related Papers (5)

Review of deuterium-tritium results from the Tokamak Fusion Test Reactor

K. M. McGuire, +238 more
- 01 Jan 1995 -