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To meet the increasing heating needs of the China Fusion Experimental Tokamak Reactor (CFETR), the output power in each Lower Hybrid Current Drive (LHCD) transmission line should be increased from 250 kW to 500 kW. Therefore, a new high-power water load must be developed for the 4.6 GHz 500 kW LHCD system. This paper aims to report the most recent research progress of the water load: aluminum nitride (AlN) ceramic is used as the media material to isolate the water and vacuum, and the radio frequency (RF) simulation results show that the return loss of the water load is less than -25dB at 4.6 GHz over a wide temperature range. Under 500 kW continuous wave (CW) operation, the maximum temperatures of the ceramic and water are separately 67 °C and 62 °C, resulting in thermal deformation of the ceramic of approximately 0.003 mm. Moreover, the AlN water load was tested on the 4.6 GHz 250 kW high-power test bench and found to work well with low reflected power.

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참고문헌 (9건) : 자료제공( 네이버학술정보 )

참고문헌 목록에 대한 테이블로 번호, 참고문헌, 국회도서관 소장유무로 구성되어 있습니다.
번호 참고문헌 국회도서관 소장유무
1 Physics Design of CFETR: Determination of the Device Engineering Parameters 미소장
2 Design and validation of a 700 kW/CW water load for 3.7 GHz klystrons 미소장
3 Design of a New Water Load for S-band 750 kW Continuous Wave High Power Klystron Used in EAST Tokamak 미소장
4 High Power Water Load for Lower Hybrid Current Drive at 4.6 GHz on Alcator C-Mod 미소장
5 Concept Design of CFETR Tokamak Machine 미소장
6 DEVELOPMENT OF CYLINDRICAL-TYPE 1.2 MW HIGH POWER WATER-LOAD FOR SUPER KEKB 미소장
7 Synthesis, characterization and properties of stir cast AA6351-aluminium nitride (AlN) composites 미소장
8 Design of a 500 kW CW water load at 3.7 GHz for the LHCD system of SST-1 tokamak 미소장
9 Microwave engineering 미소장

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