Ontology type: schema:ScholarlyArticle
2016-08-16
AUTHORSG. M. Batanov, V. D. Borzosekov, D. G. Vasilkov, L. V. Kolik, E. M. Konchekov, D. V. Malakhov, I. Yu. Vafin, A. E. Petrov, K. A. Sarksyan, A. S. Sakharov, V. D. Stepakhin, N. K. Kharchev
ABSTRACTReflection and backscattering of high-power (400 kW) gyrotron radiation creating and heating plasma at the second harmonic of the electronic cyclotron frequency in the L-2M stellarator have been investigated experimentally. The effect of the displacement of the gyroresonance region from the axis of the plasma column under doubling of the plasma density on the processes of reflection and backscattering of microwave radiation has been examined. A near doubling of short-wavelength (k⊥ ≈ 30 cm–1) turbulent density fluctuations squared is observed. The change in the energy confinement time under variations of plasma parameters and characteristics of short-wavelength turbulence is discussed. A discrepancy between the measured values of the reflection coefficient from the electron cyclotron resonance heating region and predictions of the one-dimensional model is revealed. More... »
PAGES734-742
http://scigraph.springernature.com/pub.10.1134/s1063780x1608002x
DOIhttp://dx.doi.org/10.1134/s1063780x1608002x
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