The basic interest of studying the ion flow dynamics in a disk-shaped inertial electrostatic confinement fusion (IECF) device is to achieve an explicit condition where large fusion products are possible from such a portable device, and then, it can be used for a wide range of applications. We modified the existing IECF device by introducing two external grids along with the central grid and investigated the plasma properties using the Langmuir probe technique at different operating voltages in this new configuration of the device. By taking measurements of the plasma properties throughout the chamber, the device is optimized for better ion confinement and ion flow behavior. A well-established comparison of plasma properties, such as ion density and potential in this new arrangement, has been carried out with the single-gridded IECF system. The triple grid arrangement switches to a lower working pressure region, and hence high energetic ion beams are procured. Because of the different discharge mechanisms, variations in plasma potential profile and ion confinement processes are observed when compared to the single-gridded IECF device.
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February 2023
Research Article|
February 21 2023
Studies on ion flow dynamics in a disk-shaped inertial electrostatic confinement fusion device under the influence of a triple grid arrangement
L. Saikia
;
L. Saikia
(Data curation, Formal analysis, Investigation, Software, Writing – original draft)
1
Centre of Plasma Physics-Institute for Plasma Research
, Sonapur, Kamrup 782402, India
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D. Bhattacharjee
;
D. Bhattacharjee
(Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Software, Validation, Visualization, Writing – review & editing)
1
Centre of Plasma Physics-Institute for Plasma Research
, Sonapur, Kamrup 782402, India
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S. R. Mohanty
;
S. R. Mohanty
a)
(Conceptualization, Methodology, Project administration, Supervision, Validation, Visualization, Writing – review & editing)
1
Centre of Plasma Physics-Institute for Plasma Research
, Sonapur, Kamrup 782402, India
2
Homi Bhaba National Institute
, Anushaktinagar, Mumbai, Maharashtra 400094, India
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S. Adhikari
S. Adhikari
(Data curation, Writing – review & editing)
3
Institute for Energy Technology
, Instituttveien 8, 2007 Kjeller, Norway
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Phys. Plasmas 30, 022110 (2023)
Article history
Received:
October 17 2022
Accepted:
January 21 2023
Citation
L. Saikia, D. Bhattacharjee, S. R. Mohanty, S. Adhikari; Studies on ion flow dynamics in a disk-shaped inertial electrostatic confinement fusion device under the influence of a triple grid arrangement. Phys. Plasmas 1 February 2023; 30 (2): 022110. https://doi.org/10.1063/5.0130982
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