메뉴 건너뛰기
.. 내서재 .. 알림
소속 기관/학교 인증
인증하면 논문, 학술자료 등을  무료로 열람할 수 있어요.
한국대학교, 누리자동차, 시립도서관 등 나의 기관을 확인해보세요
(국내 대학 90% 이상 구독 중)
로그인 회원가입 고객센터 ENG
주제분류

추천
검색

논문 기본 정보

자료유형
학술저널
저자정보
Wang M. (Institute of Plasma Physics, Chinese Academy of Sciences) Liu L. (Institute of Plasma Physics, Chinese Academy of Sciences) Zhao L.M. (Institute of Plasma Physics, Chinese Academy of Sciences) Li M.H. (Institute of Plasma Physics, Chinese Academy of Sciences) Ma W.D. (Institute of Plasma Physics, Chinese Academy of Sciences) Hu H.C. (Institute of Plasma Physics, Chinese Academy of Sciences) Wu Z.G. (Institute of Plasma Physics, Chinese Academy of Sciences) Feng J.Q. (Institute of Plasma Physics, Chinese Academy of Sciences) Yang Y. (Institute of Plasma Physics, Chinese Academy of Sciences) Zhu L. (Institute of Plasma Physics, Chinese Academy of Sciences) Chen M. (Institute of Plasma Physics, Chinese Academy of Sciences) Zhou T.A. (Institute of Plasma Physics, Chinese Academy of Sciences) Jia H. (Institute of Plasma Physics, Chinese Academy of Sciences) Zhang J. (Institute of Plasma Physics, Chinese Academy of Sciences) Cao L. (Institute of Plasma Physics, Chinese Academy of Sciences) Zhang L. (Institute of Plasma Physics, Chinese Academy of Sciences) Liang R.R. (Institute of Plasma Physics, Chinese Academy of Sciences) Ding B.J. (Institute of Plasma Physics, Chinese Academy of Sciences) Zhang X.J. (Institute of Plasma Physics, Chinese Academy of Sciences) Shan J.F. (Institute of Plasma Physics, Chinese Academy of Sciences) Liu F.K. (Institute of Plasma Physics, Chinese Academy of Sciences) Ekedahl A. (Institute of Plasma Physics, Chinese Academy of Sciences) Goniche M. (Institute of Plasma Physics, Chinese Academy of Sciences) Hillairet J. (Institute of Plasma Physics, Chinese Academy of Sciences) Delpech L. (Institute of Plasma Physics, Chinese Academy of Sciences)
저널정보
한국원자력학회 Nuclear Engineering and Technology Nuclear Engineering and Technology 제54권 제11호
발행연도
2022.11
수록면
4,102 - 4,110 (9page)
DOI
10.1016/j.net.2022.06.003

이용수

표지
📌
연구주제
📖
연구배경
🔬
연구방법
🏆
연구결과
AI에게 요청하기
추천
검색

초록· 키워드

오류제보하기
Aiming at high-power and long-pulse operation up to 1000 s, some improvements have been made for both 2.45 GHz and 4.6 GHz lower hybrid (LH) systems during the recent 5 years. At first, the guard limiters of the LH antennas with graphite tiles were upgraded to tungsten, the most promising material for plasma facing components in nuclear fusion devices. These new guard limiters can operate at a peak power density of 12.9 MW/m2 . Strong hot spots were usually observed on the old graphite limiters when 4.6 GHz system operated with power >2.0 MW [B. N. Wan et al., Nucl. Fusion 57 (2017) 102019], leading to a reduction of the maximum power capability. With the new limiters, 4.6 GHz LH system, the main current drive (CD) and electron heating tool for EAST, can be operated with power >2.5 MW routinely. Long-pulse operation up to 100 s with 4.6 GHz LH power of 2.4 MW was achieved in 2021 and the maximal temperature on the guard limiters measured by an infrared (IR) camera was about 540 C, much below the permissible value of tungsten material (~1200 C). A discharge with a duration of 1056 s was achieved and the 4.6 GHz LH energy injected into the plasma was up to 1.05 GJ. Secondly, the fully-activemultijunction (FAM) launcher of 2.45 GHz system was upgraded to a passive-active-multijunction (PAM), for which the density of optimum coupling was relatively low (below the cut-off value). Good coupling with reflection coefficient ~3% has been achieved with plasma-antenna distance up to 11 cm for the new PAM. Finally, in order to eliminate the effect of ion cyclotron range of frequencies (ICRF) wave on 4.6 GHz LH wave coupling, the location of the ICRF launcher was changed to a port that is located 157.5 toroidally from the 4.6 GHz LH system and is not magnetically connected

목차

등록된 정보가 없습니다.

참고문헌 (0)

참고문헌 신청

함께 읽어보면 좋을 논문

논문 유사도에 따라 DBpia 가 추천하는 논문입니다. 함께 보면 좋을 연관 논문을 확인해보세요!

이 논문의 저자 정보

최근 본 자료

전체보기

댓글(0)

0