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Fusion Science and Technology
ANS members approve amendment adding YMG rep to board of directors
The American Nuclear Society will include a representative from the Young Members Group on its Board of Directors after ANS members voted this week overwhelmingly in favor of amending Article B6 of the ANS bylaws. The change was mandated by Objective Outcome 5 of the ANS Change Plan 2020.
To keep the number of directors at 16, the approved amendment decreased the number of non–U.S. resident directors from three to two.
J.Y. Kim, S.G. Lee, S.S. Kim, W.H. Ko, J.G. Park, B.H. Park, Hogun Jhang H.G. Na, N.S. Yoon, M. Kwon, HANBIT team
Fusion Science and Technology | Volume 43 | Number 1 | January 2003 | Pages 157-161
Transport and Confinement | dx.doi.org/10.13182/FST03-A11963584
Articles are hosted by Taylor and Francis Online.
A brief overview is presented on initial study results of plasma transport and confinement in HANBIT mirror device. The parallel confinement is calculated using a generalized Pastukhov's formula, and compared with some experimental estimates. It is shown that the confinement time is less than 1 ms in typical HANBIT discharges. Analysis and simulation study are also presented on HANBIT discharges, particularly, ting to clarify the plasma density jump phenomena, which was observed in HANBIT when the RF frequency ω becomes smaller than the ion cyclotron frequency ωci. It is shown that the jump in plasma density (and beta, as shown from recent measurements) might be explained mainly as due to the increase in the parallel confinement time by the onset of ICRH ion heating at ω < ωci. The long-pulse operation with high-density plasma, even with a small initial fueling, can be also explained as due to the strong wall-recycling by fast neutrals generated from the ICRH heated hot ion at ω< ωci.