Low-frequency microinstabilities in the PLT tokamak
- 1 June 1978
- journal article
- conference paper
- Published by AIP Publishing in Physics of Fluids
- Vol. 21 (6) , 1063-1069
- https://doi.org/10.1063/1.862316
Abstract
A turbulence with wavelengths in the range 2–0.2 cm and with a spectrum in the range of frequencies of drift waves has been observed in the PLT discharge with scattering of microwaves. The total density fluctuation was ñe/n̄e≃5×10−3–10−2. It is estimated that this turbulence can cause an anomalous transport much larger than that predicted by neoclassical theory. As the PLT discharge developed a central minimum of the electron temperature, an increase in the turbulence level was observed with a very strong poloidal localization on the outside of the plasma torus.Keywords
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