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Publikováno v:
Fusion Engineering and Design. 86:938-941
A high power long pulse transmitter whose frequency range is in the range of VHF(Very High Frequency) bands have been widely used for fusion researches and accelerator as well as broadcasting industry. KAERI (Korea Atomic Energy Research Institute) h
Publikováno v:
Fusion Engineering and Design. 85:169-173
Korean superconducting tokamak advanced research (KSTAR) is a national superconducting tokamak with the aim of a high beta operation based on advanced tokamak (AT) scenarios, and an ion cyclotron ranges of frequency (ICRF) heating is one of the essen
Publikováno v:
Fusion Engineering and Design. 82:941-944
A new soda water dummy load is developed by considering the skin depth effect. Compared with the conventional soda dummy load where the resistive medium is filled both in the inner and outer cylinder, the soda water only exists on the annular volume
Autor:
Jong-Gu Kwak, Young-Dug Bae, Suk-Kwon Kim, Sonjong Wang, B.G. Hong, C.K. Hwang, Jae Sung Yoon
Publikováno v:
Fusion Engineering and Design. 82:765-770
The KSTAR ICRF (ion cyclotron range of frequency) antenna is being developed and tested for a high-power and long pulse operation. In the previous test campaign, the standoff capability was increased to 31.2 kV p (kV peak) from 24.3 kV p for a 300 s
Autor:
D.H. Chang, D.S. Chang, Jong-Gu Kwak, Y.D. Bae, Sun-Whe Kim, C.S. Seo, Bong Guen Hong, M.S. Seo, D.W. Lee, B.J. Yoon, S.J. Wang, S.R. In, K.W. Lee, C.K. Hwang, J.S. Yoon, T.S. Kim, S.H. Jeong, B.H. Oh, K.S. Jung, B.R. Kim, Jong-Su Kim, J.T. Jin
Publikováno v:
Nuclear Fusion. 47:463-468
Construction of the Korea superconducting tokamak advanced research (KSTAR) tokamak is in its final phase. For the long-pulse KSTAR discharges, the ion cyclotron range of frequencies (ICRF) and neutral beam injection (NBI) heating systems are expecte
Autor:
Young-Dug Bae, Jong-Gu Kwak, Suk-Kwon Kim, Jae Sung Yoon, C.K. Hwang, B.G. Hong, Sonjong Wang
Publikováno v:
Fusion Engineering and Design. 82:307-316
A new ICRF antenna originating from the prototype antenna was constructed for the KSTAR tokamak in 2002. The performance of the antenna was experimentally estimated at the RF test stand without a plasma. Recently three series of RF tests were perform
Publikováno v:
Fusion Engineering and Design. 74:391-395
The ICRF heating and current drive system for the KSTAR tokamak is being developed to support long pulse, high β, advanced tokamak physics experiments. Key ICRF components such as a water-cooled, high power density (∼10 MW/m2) antenna, a vacuum fe