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Journal Articles

Temporal variation of density fluctuation and transport in reversed shear plasmas on JT-60U

Takenaga, Hidenobu; Oyama, Naoyuki; Bruskin, L. G.*; Mase, Atsushi*; Takizuka, Tomonori; Fujita, Takaaki

Plasma Physics and Controlled Fusion, 48(5A), p.A401 - A408, 2006/05

 Times Cited Count:6 Percentile:21.5(Physics, Fluids & Plasmas)

no abstracts in English

Journal Articles

Transient electron heat transport and reduced density fluctuation after pellet injection in JT-60U reversed shear plasmas

Takenaga, Hidenobu; Oyama, Naoyuki; Isayama, Akihiko; Inagaki, Shigeru*; Takizuka, Tomonori; Fujita, Takaaki; Miura, Yukitoshi

Europhysics Conference Abstracts (CD-ROM), 29C, 4 Pages, 2005/00

no abstracts in English

Journal Articles

Density fluctuation measurement at edge and internal transport barriers in JT-60U

Oyama, Naoyuki; Bruskin, L. G.*; Takenaga, Hidenobu; Shinohara, Koji; Isayama, Akihiko; Ide, Shunsuke; Sakamoto, Yoshiteru; Suzuki, Takahiro; Fujita, Takaaki; Kamada, Yutaka; et al.

Plasma Physics and Controlled Fusion, 46(5A), p.A355 - A361, 2004/05

 Times Cited Count:11 Percentile:34.74(Physics, Fluids & Plasmas)

no abstracts in English

Journal Articles

Theoretical modeling and application of microwave reflectometry to plasma turbulence study

Bruskin, L. G.*; Oyama, Naoyuki; Mase, Atsushi*; Shinohara, Koji; Miura, Yukitoshi

Journal of Plasma and Fusion Research SERIES, Vol.6, p.318 - 321, 2004/00

We present a theoretical model of single-frequency microwave reflectometry of plasma density fluctuations with the objective of quantitative estimation of their poloidal spectrum shape and amplitude. The model is based on the analytical solution of the full-wave equation for O-mode microwave propagation inside the plasma in the Born approximation. The solution allows us to find explicitly the poloidal spectrum of weak plasma fluctuations. With the additional assumption of 2D isotropic spectrum in the r-$$theta$$ plane it is also possible to find the fluctuation amplitude. We illustrate our model by the analysis of real signals recorded by the O-mode reflectometer on the JT-60U device.

Journal Articles

Collapse of density pedestal by giant ELM on JT-60U

Oyama, Naoyuki; Shinohara, Koji; Kamada, Yutaka; Miura, Yukitoshi; Oikawa, Toshihiro; Takeji, Satoru

Plasma Physics and Controlled Fusion, 43(5), p.717 - 726, 2001/05

 Times Cited Count:22 Percentile:57.57(Physics, Fluids & Plasmas)

no abstracts in English

Journal Articles

Correlation measurement during ITB degradation phase by using core correlation reflectometer in JT-60U reversed shear plasma

Shinohara, Koji; Yoshino, Ryuji; Nazikian, R.*; Fujita, Takaaki; Kishimoto, Yasuaki

Europhysics Conference Abstracts, 23J, p.405 - 408, 1999/00

no abstracts in English

Journal Articles

Core correlation reflectometer at the JT-60U tokamak

Shinohara, Koji; Nazikian, R. M.*; Fujita, Takaaki; Yoshino, Ryuji

Review of Scientific Instruments, 70(11), p.4246 - 4250, 1999/00

 Times Cited Count:31 Percentile:84.36(Instruments & Instrumentation)

no abstracts in English

Journal Articles

Core density fluctuation in reversed magnetic shear plasma with internal transport barrier on JT-60U

Nazikian, R.*; Shinohara, Koji; Yoshino, Ryuji; Fujita, Takaaki; Shirai, Hiroshi; Kramer, G. J.*; JT-60 Team

Fusion Energy 1998, Vol.4, p.1689 - 1692, 1998/10

no abstracts in English

Journal Articles

A New method to analyze density fluctuation by microwave reflectometry

*; Shiraiwa, Shunichi*; Hoshino, Katsumichi; Miura, Yukitoshi; Hanada, Kazuaki*; *; JFT-2M Group

Japanese Journal of Applied Physics, Part 1, 36(12A), p.7367 - 7374, 1997/12

 Times Cited Count:13 Percentile:57.46(Physics, Applied)

no abstracts in English

JAEA Reports

Journal Articles

Measurement of density fluctuations by JFT-2M reflectometer

*; Hoshino, Katsumichi; *; *; *; Miura, Yukitoshi; Suzuki, Norio; *; *; *; et al.

Fusion Engineering and Design, 34-35, p.433 - 436, 1997/00

 Times Cited Count:4 Percentile:37.13(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Transport of DT plasmas

Shirai, Hiroshi

Purazuma, Kaku Yugo Gakkai-Shi, 71(3), p.223 - 229, 1995/03

no abstracts in English

JAEA Reports

13 (Records 1-13 displayed on this page)
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