Heavy Ion Beam Probe Measurement in Turbulence Diagnostic Simulator

Naohiro KASUYA; Seiya NISHIMURA; Masatoshi YAGI; Kimitaka ITOH; Sanae-I ITOH

Plasma Science and Technology > 2011 > 13(3): 326-331.

Naohiro KASUYA, Seiya NISHIMURA, Masatoshi YAGI, Kimitaka ITOH, Sanae-I ITOH. Heavy Ion Beam Probe Measurement in Turbulence Diagnostic Simulator[J]. Plasma Science and Technology, 2011, 13(3): 326-331.

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Heavy Ion Beam Probe Measurement in Turbulence Diagnostic Simulator

1National Institute for Fusion Science, 322-6 Oroshi-cho, Toki, Gifu 509-5292, Japan 2Research Institute for Applied Mechanics, Kyushu University, 6-1 Kasuga-kouen, Kasuga, Fukuoka 816-8580, Japan 3Japan Atomic Energy Agency, 801-1 Mukoyama, Naka, Ibaraki 311-0193, Japan

Funds: supported by the Grant-in-Aid for Young Scientists (20760581) and for Scientific Research (19360418, 21224014) of JSPS, the JSPS-CAS Core University program in the field of `Plasma and Nuclear Fusion', by the collaboration program of NIFS (NIFS09KTAD009, NIFS09KDAD009, NIFS10KLHH315) and of RIAM of Kyushu University of Japan

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Received Date: October 13, 2010

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Abstract

Abstract

A numerical measurement module simulating a heavy ion beam probe was developed, and numerical measurements of electrostatic potential and density fluctuations are carried out for 3-D turbulent data generated by a global simulation of drift-interchange mode turbulence in helical plasmas. The deviation between measured and local values is estimated. It is found that the characteristic structures can be detected in spite of the screening e®ect due to the ¯nite spatial resolution.
- turbulence,
- structural formation,
- numerical simulation,
- heavy ion beam probe,
- fluctuation,
- spatial resolution

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