Measurement of density fluctuations by JFT-2M reflectometer

K. Shinohara; K. Hoshino; S. Shiraiwa; K. Hanada; H. Toyama; Y. Miura; N. Suzuki; K. Yamagishi; T. Oikawa; H. Totsuka; E. Ishiyama; N. Shinoda; M. Hasegawa; H. Saito; Y. Endo

doi:10.1016/S0920-3796(96)00644-8

Measurement of density fluctuations by JFT-2M reflectometer

K. Shinohara, K. Hoshino, S. Shiraiwa, K. Hanada, H. Toyama, Y. Miura, N. Suzuki, K. Yamagishi, T. Oikawa, H. Totsuka, E. Ishiyama, N. Shinoda, M. Hasegawa, H. Saito, Y. Endo

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

The spectrum and the level of fluctuation have been evaluated from the phase data obtained with a reflectometer during the period without phase runaway on the JFT-2M tokamak. The estimated fluctuation level is about 1% in OH mode (at r/a < 0.8), about 4% in L mode (at r/a ≈ 0.8) and about 10% in H mode (r/a > 0.9), while the measured position changes according to the density profile.

Original language	English
Pages (from-to)	433-436
Number of pages	4
Journal	Fusion Engineering and Design
Volume	34-35
DOIs	https://doi.org/10.1016/S0920-3796(96)00644-8
Publication status	Published - Mar 1997
Externally published	Yes

All Science Journal Classification (ASJC) codes

Civil and Structural Engineering
Nuclear Energy and Engineering
Materials Science(all)
Mechanical Engineering

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10.1016/S0920-3796(96)00644-8

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Measurement of density fluctuations by JFT-2M reflectometer. / Shinohara, K.; Hoshino, K.; Shiraiwa, S.; Hanada, K.; Toyama, H.; Miura, Y.; Suzuki, N.; Yamagishi, K.; Oikawa, T.; Totsuka, H.; Ishiyama, E.; Shinoda, N.; Hasegawa, M.; Saito, H.; Endo, Y.

In: Fusion Engineering and Design, Vol. 34-35, 03.1997, p. 433-436.

Research output: Contribution to journal › Article › peer-review

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abstract = "The spectrum and the level of fluctuation have been evaluated from the phase data obtained with a reflectometer during the period without phase runaway on the JFT-2M tokamak. The estimated fluctuation level is about 1% in OH mode (at r/a < 0.8), about 4% in L mode (at r/a ≈ 0.8) and about 10% in H mode (r/a > 0.9), while the measured position changes according to the density profile.",

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doi = "10.1016/S0920-3796(96)00644-8",

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T1 - Measurement of density fluctuations by JFT-2M reflectometer

AU - Shinohara, K.

AU - Hoshino, K.

AU - Shiraiwa, S.

AU - Hanada, K.

AU - Toyama, H.

AU - Miura, Y.

AU - Suzuki, N.

AU - Yamagishi, K.

AU - Oikawa, T.

AU - Totsuka, H.

AU - Ishiyama, E.

AU - Shinoda, N.

AU - Hasegawa, M.

AU - Saito, H.

AU - Endo, Y.

PY - 1997/3

Y1 - 1997/3

N2 - The spectrum and the level of fluctuation have been evaluated from the phase data obtained with a reflectometer during the period without phase runaway on the JFT-2M tokamak. The estimated fluctuation level is about 1% in OH mode (at r/a < 0.8), about 4% in L mode (at r/a ≈ 0.8) and about 10% in H mode (r/a > 0.9), while the measured position changes according to the density profile.

AB - The spectrum and the level of fluctuation have been evaluated from the phase data obtained with a reflectometer during the period without phase runaway on the JFT-2M tokamak. The estimated fluctuation level is about 1% in OH mode (at r/a < 0.8), about 4% in L mode (at r/a ≈ 0.8) and about 10% in H mode (r/a > 0.9), while the measured position changes according to the density profile.

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EP - 436

JO - Fusion Engineering and Design

JF - Fusion Engineering and Design

SN - 0920-3796

ER -

Measurement of density fluctuations by JFT-2M reflectometer

Abstract

All Science Journal Classification (ASJC) codes

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