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Journal Articles

Advanced tokamak research on long time scales in JT-60U upgrade

Fujita, Takaaki; JT-60 Team

Physics of Plasmas, 13(5), p.056112_1 - 056112_10, 2006/05

 Times Cited Count:5 Percentile:19.37(Physics, Fluids & Plasmas)

no abstracts in English

Oral presentation

Imaging bolometer development for application to fusion reactor diagnostics

Peterson, B. J.*; Alekseyev, A. G.*; Konoshima, Shigeru; Ashikawa, Naoko*; Parchamy, H.*; Sasao, Mamiko*; Miura, Yukitoshi

no journal, , 

The imaging bolometer concept is based on a thin foil which absorbs the broad-band radiation and/or energetic particles from the plasma. The resulting temperature change in the foil is measured by an infrared camera located outside the vacuum vessel. Development of imaging bolometers is being carried out for application in bolometry and lost alpha diagnosis for fusion reactors. In the case of an imaging bolometer, placing the foil behind a pinhole camera provides a two-dimensional image of the plasma radiation. In the case of a lost alpha diagnostic the foil is placed behind multiple layers of thin foils with one dimension being used for energy discrimination and the other layer being used for pitch angle discrimination. The work described includes the operation of imaging bolometers on the Large Helical Device and the JT-60U Tokamak, calibration experiments, testing prototype lost alpha diagnostic detectors on an ion beam facility and the design of an imaging bolometer and a lost alpha diagnostic for ITER.

Oral presentation

Ideal MHD stability code MARG2D for the analysis of external MHD modes in JT-60U plasma

Aiba, Nobuyuki; Tokuda, Shinji; Ishizawa, Tomoko*; Ozeki, Takahisa

no journal, , 

no abstracts in English

Oral presentation

Rapid evolution of the magnetic island in the rotating plasma

Ishii, Yasutomo; Azumi, Masafumi; Smolyakov, A. I.*

no journal, , 

no abstracts in English

Oral presentation

A Finite volume approach to the fully compressible MHD simulation of high $$beta$$ tokamak plasmas

Kagei, Yasuhiro; Kishimoto, Yasuaki; Miyoshi, Takahiro*

no journal, , 

no abstracts in English

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