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＜紀要論文＞
DERIVATION OF THE RADIAL PROFILE OF ION TEMPERATURE FROM THE "MEASURED" ENERGY SPECTRA OF CHARGE-EXCHANGED NEUTRALS
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| 概要 | In the TRIAM-1 tokamak the energy spectra of charge-exchanged neutrals are observed by scanning the neutral energy analyzer vertically. The "measured" ion temperature obtained from only energy spectru...m observed in the peripheral region is much higher than that predicted by the neoclassical transport theory because of reflection (backscattering) of neutrals at the wall. The "actual" ion temperature profile is derived from all observed energy spectra by using the numerical code in which a wall-reflection effect of neutrals and an impermeability of plasma are taken into account. In this numerical analysis, the reflection coefficient is adjusted so that the above calculated ion temperature profile should be best fit for the ion ternperatures measured by the Doppler broadening of the visible lines Hell 4686 A and H_α at the relevant radial positions.続きを見る |
| 目次 | 1. Introduction 2. The "measured" ion temperature and the "predicted" one 3. "Actual" ion temperature profile 4. Conclusion |
本文ファイル
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028087_p001
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760 KB | 46 |
詳細
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| 登録日 | 2023.03.22 |
| 更新日 | 2024.10.22 |