学術雑誌論文 Studies on the Effect of Radio Frequency Field in a Cusp-Type Charge Separation Device for Direct Energy Conversion

HAMABE, Masaki  ,  IZAWA, Hiroaki  ,  TAKENO, Hiromasa  ,  NAKAMOTO, Satoshi  ,  ICHIMURA, Kazuya  ,  NAKASHIMA, Yousuke

11p.2405028 , 2016-03 , the Japan Society of Plasma Science and Nuclear Fusion Research
ISSN:1880-6821
NII書誌ID(NCID):AA12346675
内容記述
In D-3He fusion power generation, an application of direct energy conversion is expected in which separation of charged particles is necessary. A cusp-type direct energy converter (CuspDEC) was proposed as a charge separation device, but its performance was degraded for a high density plasma. The goal of the present study is to establish an additional method to assist charge separation by using a nonlinear effect of a radio frequency (rf) electric field. Following to the previous study, we experimentally examine the effect of an rf field to electron motion in a CuspDEC device. Two ring electrodes were newly installed in a CuspDEC simulator and the current flowing into the electron collector located in the line cusp region was measured on an rf field application. The significant variation in the current was found, and an improvement of the charge separation can be expected by using the phenomenon appropriately.
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