Bulletin of the American Physical Society
65th Annual Meeting of the APS Division of Plasma Physics
Monday–Friday, October 30–November 3 2023; Denver, Colorado
Session PP11: Poster Session VI:
MFE:DIII-D and conventional tokamaks II;MHD and stability; Analytic techniques in MFE;
ICF: Pinches and hohlraum physics
SPACE: Astrophysical plasmas
LTP:Low temperature plasma applications
MC:Miniconference: Shocks
2:00 PM - 5:00 PM
Wednesday, November 1, 2023
Room: Plaza ABC
Abstract: PP11.00116 : Evaluation of Plasma Flow and Acceleration Effect Using Rotating Magnetic Field Current Driving Method in Magnetic Nozzle*
Presenter:
Takeru Furukawa
(Kobe University)
Authors:
Takeru Furukawa
(Kobe University)
Daisuke Kuwahara
(Chubu University)
Shunjiro Shinohara
(Tokyo Univ of Agri & Tech)
Collaborations:
Kobe University, Chubu University, Tokyo University of Agriculture and Technology
To optimize the plasma acceleration effect in our proposed RMF thruster concept, we measured and investigated the spatial profiles of plasma parameters, including Ion Velocity Distribution Function (IVDF) using laser-induced fluorescence velocimetry [4]. An increase in the axial component of the IVDF was found showing the additional plasma acceleration effect via electron current driving under the magnetic nozzle. We also compared two-dimensional spatial profiles of the ion flow vectors varying the RMF rotational frequency, which affects the RMF penetration into plasma, to clarify the dependence of the ion flow on the frequency. It was suggested that multiple plasma acceleration is yielded by the RMF method, not only for the full penetration of the RMF but also even when the RMF penetration is not fully accomplished [5].
*This work has been partially supported by JSPS KAKENHI Grant Nos.JP21226019, JP17H02995, JP20K14452, and JP22K14027.
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