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  1. 数理物質系 (Faculty of Pure and Applied Sciences)
  2. 中嶋 洋輔 (Nakashima Yousuke)
  1. 数理物質系 (Faculty of Pure and Applied Sciences)
  2. 坂本 瑞樹 (Sakamoto Mizuki)
  1. 数理物質系 (Faculty of Pure and Applied Sciences)
  2. 江角 直道 (Ezumi Naomichi)
  1. コンテンツタイプ (Contents Type)
  2. 雑誌発表論文等 (Journal article, etc.)
  3. P~
  4. Plasma and Fusion Research

Effect of High Ion Temperature on the Polytropic Coefficient in the End Region of GAMMA 10/PDX

http://hdl.handle.net/2241/00157946
f5dbd1c0-cef2-43c8-9f30-68836048c591
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PFR_14-2401086.pdf PFR_14-2401086 (945.7 kB)
item type Journal Article(1)
公開日 2019-10-25
タイトル
タイトル Effect of High Ion Temperature on the Polytropic Coefficient in the End Region of GAMMA 10/PDX
言語
言語 eng
資源タイプ
タイプ journal article
著者 坂本, 瑞樹

× 坂本, 瑞樹

WEKO 106756
e-Rad 30235189
筑波大学研究者総覧 0000000529

坂本, 瑞樹

ja-Kana サカモト, ミズキ

en SAKAMOTO, Mizuki

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江角, 直道

× 江角, 直道

WEKO 204023
e-Rad 20321432
筑波大学研究者総覧 0000003713

江角, 直道

ja-Kana エズミ, ナオミチ

en EZUMI, Naomichi

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中嶋, 洋輔

× 中嶋, 洋輔

WEKO 70
e-Rad 00188939
筑波大学研究者総覧 0000000577

中嶋, 洋輔

ja-Kana ナカシマ, ヨウスケ

en NAKASHIMA, Yousuke

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NOJIRI, Kunpei

× NOJIRI, Kunpei

WEKO 215421

en NOJIRI, Kunpei

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TOGO, Satoshi

× TOGO, Satoshi

WEKO 215422

en TOGO, Satoshi

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IIJIMA, Takaaki

× IIJIMA, Takaaki

WEKO 215423

en IIJIMA, Takaaki

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JANG, Seowon

× JANG, Seowon

WEKO 215424

en JANG, Seowon

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TERAKADO, Akihiro

× TERAKADO, Akihiro

WEKO 215425

en TERAKADO, Akihiro

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KINOSHITA, Yosuke

× KINOSHITA, Yosuke

WEKO 215426

en KINOSHITA, Yosuke

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HARA, Toshiki

× HARA, Toshiki

WEKO 215427

en HARA, Toshiki

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TAKIZUKA, Tomonori

× TAKIZUKA, Tomonori

WEKO 215428

en TAKIZUKA, Tomonori

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OGAWA, Yuichi

× OGAWA, Yuichi

WEKO 215429

en OGAWA, Yuichi

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抄録
内容記述 The effect of high ion temperature on the ion polytropic coefficient (γ) was experimentally investigated in the end region of the GAMMA 10/PDX tandem mirror. The ion temperature parallel to the magnetic field (Ti||) was varied using the ion cyclotron range of frequencies (ICRF) waves, which heat the plasma in the central cell, and by applying an additional gas puff in the central cell. Assuming the ion sound speed, γTi|| was evaluated by a Langmuir probe, and Ti|| was evaluated in an ion energy analyzer. These parameters were combined to evaluate γ. The time evolutions of γTi|| obtained from the probe and Ti|| obtained from the energy analyzer were similar. The plasma in the end region can be regarded as collisionless, but γ was lower with ICRF heating than without the heating. A high Ti|| component was identified in the heated case. As mentioned in a previous numerical study [B. Lin et al., Phys. Plasmas 23, 083508 (2016)], it is experimentally suggested that γ can be reduced by the high Ti|| component resulting from the ICRF heating.
書誌情報 Plasma and Fusion Research

巻 14, p. 2401086, 発行日 2019-06
ISSN
収録物識別子 1880-6821
書誌レコードID
収録物識別子 AA12346675
DOI
関連識別子
関連識別子 10.1585/pfr.14.2401086
権利
権利情報 © 2019 The Japan Society of Plasma Science and Nuclear Fusion Research
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値 publisher
出版者
出版者 The Japan Society of Plasma Science and Nuclear Fusion Research
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