摘要
Core and edge turbulences were measured by Langmuir probe arrays in the KT-5C tokamak plasma.The radial wavenumber spectra show a quasimode like structure which results in a net radial outward propagation of the turbulent fluctuations.The measured fluctuation levels and wave action fluxes are in good agreement with model predictions by Mattor et al.,suggesting that drift wave propagation could be a source of edge turbulence.
基金
Supported by the National Natural Science Foundation of China under Grant Nos.19675036,19635020
the Doctoral Training Foundation of National Education Commission of China and Chinese Academy of Sciences.