Bulletin of the American Physical Society
76th Annual Gaseous Electronics Conference
Volume 68, Number 9
Monday–Friday, October 9–13, 2023; Michigan League, Ann Arbor, Michigan
Session FT2: Atmospheric Pressure Plasmas II
10:00 AM–11:45 AM,
Tuesday, October 10, 2023
Room: Michigan League, Koessler
Chair: Yusuke Nakagawa, Tokyo Metropolitan Univ
Abstract: FT2.00006 : An Efficient Atmospheric Pressure Resonant Microwave Plasma Line*
11:30 AM–11:45 AM
Presenter:
Kushagra Singhal
(University Of Toledo)
Authors:
Kushagra Singhal
(University Of Toledo)
Abbas Semnani
(University of Toledo)
This study introduces a resonant microwave plasma line based on EVA cavity resonator technology. The resonator structure was designed to resonate at a frequency of 2.45 GHz, and when subjected to an input power of 1 Watt, it generates a uniform |E|-field on the order of 105 V/m. To ensure consistent gas flow, the gas flow line is carefully designed by dividing a large inflow into multiple smaller outflows, and optimization techniques are employed to achieve a uniform flow at the output. For precise construction of the resonator, the fabrication process involves CNC machining. Experimental investigations use helium gas flow rates ranging from 1 to 7 slpm and input power levels ranging from 1 to 10 Watts. These experimental parameters provide a comprehensive understanding of the performance and behavior of the resonant microwave plasma line.
References: -
[1] Semnani, A, Kabir, KS 2022 ‘A highly efficient microwave plasma jet based on evanescent mode cavity-resonator technology’, IEEE Trans. Plasma Sci., vol. 50, no. 10, pp 3516-3524.
*This work was supported by the National Science Foundation under Grant Number ECCS-2102100.
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