Effect of magnetic configuration on particle transport and density fluctuation in LHD

Fusion Science and Technology

Volumn 51, Issue 1, 2007, Pages 97-111

  Tanaka, Kenji ^a   Michael, Clive ^a   Yokoyama, Masayuki ^a   Yamagishi, Osamu ^a   Kawahata, Kazuo ^a   Tokuzawa, Tokihiko ^a   Shohji, Mamoru ^a   Yamada, Hiroshi ^a   Miyazawa, Jyunichi ^a   Morita, Shigeru ^a   Ida, Katsumi ^a   Yoshinuma, Mikiro ^a   Narihara, Kazumichi ^a   Yamada, Ichihiro ^a   Inagaki, Shigeru ^a   Vyacheslavov, Leonid ^b   Sanin, Andrei ^b   Murakami, Sadayoshi ^c   Wakasa, Arimitsu ^d  

^a NATIONAL INSTITUTE FOR FUSION SCIENCE   (Japan)

^b BUDKER INSTITUTE OF NUCLEAR PHYSICS   (Russian Federation)

^c KYOTO UNIVERSITY   (Japan)

^d HOKKAIDO UNIVERSITY   (Japan)

Author keywords

LHD; Particle confinements; Turbulence

Indexed keywords

DIFFUSION; IONS; MAGNETIC FIELD EFFECTS; PLASMA CONFINEMENT; PLASMA HEATING; PLASMA TURBULENCE; TRANSPORT PROPERTIES;

LARGE HELICAL DEVICE (LHD); MAGNETIC AXIS POSITIONS; MAGNETIC CONFIGURATIONS; PARTICLE CONFINEMENTS;

PLASMA ACCELERATORS;

EID: 33846892574     PISSN: 15361055     EISSN: None     Source Type: Journal    
DOI: 10.13182/FST07-A1291     Document Type: Conference Paper

References (36)

1. H. YAMADA et al., "Energy Confinement and Thermal Transport Characteristics of Net Current Free Plasmas in the Large Helical Device," Nucl. Fusion, 41, 901 (2001).
2. H. YAMADA et al., "Characterization of Energy Confinement in Net-Current Free Plasmas Using the Extended International Stellarator Database," Nucl. Fusion, 45, 1684 (2005).
3. K. W. GENTLE et al., "A Measurement of Hydrogen Ion Transport Parameters in Tokamak Discharges," Plasma Phys. Control. Fusion, 29, 1077 (1987).
4. K. KAWAHATA et al., "Far Infrared Laser Interferometer System on the Large Helical Device," Rev. Sci. Instrum., 70, 707 (1999)
5. K. TANAKA et al., "Particle Confinements Study from the Modulated Electron Density Profile Structures on LHD," J. Plasma Fusion Res. Ser, 4, 427 (2001).
6. K. TANAKA et al., "Experimental Study of Particle Transport and Density Fluctuations in LHD," Nucl. Fusion, 46, 110 (2006).
7. K. TANAKA et al., "Analysis Scheme for Density Modulation Experiments on the Study of Particle Confinements," Plasma Sci. Technol., 8, 65 (2006).
8. D. HEIFETZ et al., "A Monte-Carlo Model of Neutral-Particle Transport in Diverted Plasmas," J. Comput. Phys., 46, 309 (1982).
9. D. REITER, P. BOGEN, and U. SAMM, "Measurements and Monte Carlo Computations of Ha Profiles of a TEXTOR Limiter," J. Nucl. Mater., 198-198, 1059 (1992).
10. M. SHOJI et al., "Three-Dimensional Proton Trajectory Analyses and Simulation of Neutral Particle Transport in an ICRF Heated Long Pulse Discharge on the Large Helical Device," J. Nucl. Mater., 337-339, 186 (2005).
11. K. W. GENTLE, O. GEHRE, and K. KRIEGER, "Determination of Particle Transport Coefficients in ASDEX by Gas Modulation," Nucl. Fusion, 32, 217 (1992).
12. N. J. LOPES CARDOZO, "Perturbative Transport Studies in Fusion Plasmas," Plasma Phys. Control. Fusion, 37, 799 (1995).
13. C. D. BEIDLER and W. N. G. HITCHON, "Ripple Transport in Helical-Axis Advanced Stellarators: A Comparison with Classical Stellarator/Torsatrons," Plasma Phys. Control. Fusion, 36, 317 (1994).
14. M. YOKOYAMA et al., "The Configuration Dependence of Ripple Transport in LHD," J. Plasma Fusion Res., 81, 83 (2005).
15. 2 Laser Imaging Interferometer on LHD," Rev. Sci. Instrum., 75, 3249 (2004).
16. K. NARIHARA et al., "Design and Performance of the Thomson Scattering Diagnostic on LHD," Rev. Sci. Instrum., 72, 1122 (2001).
17. A. SANIN et al., "Two-Dimensional Phase Contrast Interferometer for Fluctuations Study on LHD," Rev. Sci. Instrum., 75, 3439 (2004).
18. L. N. VYACHESLAVOV et al., "2-D Phase Contrast Imaging of Turbulence Structure on LHD," IEEE Trans. Plasma Sci., 33, 464 (2005).
19. H. WEISEN, CH. HOLLESTEIN, and R. BEHN, "Turbulent Density Fluctuation in the TCA Tokamak," Plasma Phys. Control. Fusion, 30, 293 (1988).
20. K. TANAKA et al., "Characteristics of Electron Density Fluctuations in Heliotron E Measured Using a Wide Beam Laser Phase Contrast Method," J. Phys. Soc. Jpn., 62, 3092 (1993).
21. T. S. HAHM and K. H. BURRELL, "Flow Shear Induced Fluctuation Suppression in Finite Aspect Ratio Shaped Tokamak Plasma," Phys. Plasmas, 2, 1648 (1995).
22. K. IDA et al., "Reduction of Ion Thermal Diffusivity Associated with the Transition of the Radial Electric Field in Neural Beam Heated Plasmas in the Large Helical Device," Phys. Rev. Lett., 86, 5297 (2001).
23. G. T. HOANG et al., "Particle Pinch with Fully Noninductive Lower Hybrid Current Drive in Tore Supra," Phys. Rev. Lett., 90, 155002 (2003).
24. G. T. HOANG et al., "Parametric Dependence of Turbulent Particle Transport in Tore Supra Plasmas," Phys. Rev. Lett., 93, 135003 (2004).
25. S. MURAKAMI et al., "Neoclassical Transport Optimization of LHD," Nucl. Fusion, 42, L19-L22 (2002).
26. H. SUGAMA and T.-H. WATANABE, "Collisionless Damping of Zonal Flows in Helical Systems," Phys. Plasmas, 13, 012501 (2006).
27. A. WAKASA et al., "Monte Carlo Simulations of Neoclassical Transport in Inward Shifted LHD Configuration," J. Plasma Fusion Res. Ser., 4, 408 (2001).
28. A. WAKASAet al., "Development of a Neoclassical Transport Database by Neural Network Fitting in LHD," J. Plasma Fusion Res. Ser., 6, 203 (2004).
29. C. D. BEIDLER and W. D. D'HAESELEER, "A General Solution of the Ripple-Averaged Kinetic Equation (GSRAKE)," Plasma Phys. Control. Fusion, 37, 463 (1995).
30. C. D. BEIDLER et al., Proc. 30th EPS Conf. Plasma Physics Controlled Fusion, St. Petersburg, Florida, 2003; available on the Internet at http://epsppd.epfl.ch/StPetersburg/pdf/P3_002.pdf
31. V. TRIBALDOS, "Monte Carlo Estimation of Neoclassical Transport for the TJ-II Stellarator," Phys. Plasma, 8, 1229 (2001).
32. S. MORITA and M. GOTO, "X-Ray Crystal Spectrometer with a Charge-Coupled-Device Detector for Ion Temperature Measurements in the Large Helical Device," Rev. Sci. Instrum., 74, 2375 (2003).
33. O. YAMAGISHI, to be submitted to Phys. Plasma.
34. G. REWOLDT, W. M. TANG, and M. S. CHANCE, "Electromagnetic Kinetic Toroidal Eigenmodes for General Magnetohydrodynamic Equilibria," Phys. Fluids, 25, 480 (1982).
35. S. P. HIRSHMAN andJ. C. WHITSON, "Steepest-Descent Moment Method for Three-Dimensional Magnetohydrodynamic Equilibria," Phys. Fluids, 26, 3553 (1983).
36. G. REWOLDT et al., "Microinstability Studies for Large Helical Device," Nucl. Fusion, 42 1047 (2002).