Investigation of statistical characterization of radial turbulence in the edge of HuanLiuqi-2A plasma with visible spectroscopy diagnostic

作者: W. L. Zhong , X. R. Duan , D. L. Yu , X. Y. Han , J. Cheng

DOI: 10.1063/1.3512938

关键词:

摘要: The radial motion and structure of edge turbulence in the HuanLiuqi-2A tokamak [Y. Liu et al., Nucl. Fusion 45, S239 (2005)] was measured with visible spectroscopy diagnostic system; propagation velocity correlation length were evaluated by time-delay technique there typically Vr=0.4–1 km/s Lr=2–6 cm, respectively. intermittent events accompanied have been observed plasma propagated outward radially; especially through scrape-off layer, fluctuation signals Dα exhibit strong asymmetric probability distribution functions (PDFs). Their trajectories PDFs inferred from a special results indicated event depends on its amplitude. Some comparisons previous measurements models also presented.

参考文章(45)
Didier Sornette, Critical Phenomena in Natural Sciences Springer Series in Synergetics. ,(2000) , 10.1007/978-3-662-04174-1
M. Agostini, S. J. Zweben, R. Cavazzana, P. Scarin, G. Serianni, R. J. Maqueda, D. P. Stotler, Study of statistical properties of edge turbulence in the National Spherical Torus Experiment with the gas puff imaging diagnostic Physics of Plasmas. ,vol. 14, pp. 102305- ,(2007) , 10.1063/1.2776912
George R. McKEE, Raymond J. FONCK, Deepak K. GUPTA, David J. SCHLOSSBERG, Morgan W. SHAFER, Réjean L. BOIVIN, Wayne SOLOMON, Plasma Turbulence Imaging via Beam Emission Spectroscopy in the Core of the DIII-D Tokamak Plasma and Fusion Research. ,vol. 2, pp. 1025- ,(2007) , 10.1585/PFR.2.S1025
B D Dudson, R O Dendy, A Kirk, H Meyer, G F Counsell, Comparison of L- and H-mode plasma edge fluctuations in MAST Plasma Physics and Controlled Fusion. ,vol. 47, pp. 885- 901 ,(2005) , 10.1088/0741-3335/47/6/010
G. McKee, R. Ashley, R. Durst, R. Fonck, M. Jakubowski, K. Tritz, K. Burrell, C. Greenfield, J. Robinson, The beam emission spectroscopy diagnostic on the DIII-D tokamak Review of Scientific Instruments. ,vol. 70, pp. 913- 916 ,(1999) , 10.1063/1.1149416
Ch. P. Ritz, E. J. Powers, T. L. Rhodes, R. D. Bengtson, K. W. Gentle, Hong Lin, P. E. Phillips, A. J. Wootton, D. L. Brower, N. C. Luhmann, W. A. Peebles, P. M. Schoch, R. L. Hickok, Advanced plasma fluctuation analysis techniques and their impact on fusion research (invited) Review of Scientific Instruments. ,vol. 59, pp. 1739- 1744 ,(1988) , 10.1063/1.1140098
H. Johnsen, H. L. Pécseli, J. Trulsen, Conditional eddies in plasma turbulence Physics of Fluids. ,vol. 30, pp. 2239- 2254 ,(1987) , 10.1063/1.866158
S. J. Zweben, R. J. Maqueda, J. L. Terry, T. Munsat, J. R. Myra, D. D’Ippolito, D. A. Russell, J. A. Krommes, B. LeBlanc, T. Stoltzfus-Dueck, D. P. Stotler, K. M. Williams, C. E. Bush, R. Maingi, O. Grulke, S. A. Sabbagh, A. E. White, Structure and motion of edge turbulence in the National Spherical Torus Experiment and Alcator C-Moda) Physics of Plasmas. ,vol. 13, pp. 056114- ,(2006) , 10.1063/1.2177132
J. M. Beall, Y. C. Kim, E. J. Powers, Estimation of wavenumber and frequency spectra using fixed probe pairs Journal of Applied Physics. ,vol. 53, pp. 3933- 3940 ,(1982) , 10.1063/1.331279
H Zohm, Edge localized modes (ELMs) Plasma Physics and Controlled Fusion. ,vol. 38, pp. 105- 128 ,(1996) , 10.1088/0741-3335/38/2/001