High Power Laser and Particle Beams, Volume. 35, Issue 8, 089001(2023)
Simulation study of the relationship between low-frequency communication EM wave transmissivity of plasma sheaths and irradiation microwave E-field strength
Figures & Tables(10)
Fig. 1. Schematic diagram of hypersonic vehicle geometry and surrounding flow field
Fig. 2. Electromagnetic wave incident direction and model boundary conditions
Fig. 5. Magnetic field distribution of microwaves with different E-field amplitudes
Fig. 6. Changes of plasma frequency and collision frequency after 30 ns irradiation
Table 1. Chemical reaction
View tableView in ArticleTable 1. Chemical reaction
No. chemical equation 1,2,3 $\mathrm{N}_2+M_1^{\mathrm{a}} \rightleftharpoons \mathrm{N}+\mathrm{N}+M_1^{\mathrm{a}}$ 4,5 $\mathrm{N}_2+M_1^{\mathrm{b}} \rightleftharpoons \mathrm{N}+\mathrm{N}+M_1^{\mathrm{b}}$ 6,7,8 $\mathrm{O}_2+M_2^{\mathrm{a}} \rightleftharpoons \mathrm{O}+\mathrm{O}+M_2^{\mathrm{a}}$ 9,10 $\mathrm{O}_2+M_2^{\mathrm{b}} \rightleftharpoons \mathrm{O}+\mathrm{O}+M_2^{\mathrm{b}}$ 11,12,13 $\mathrm{NO}+M_3^{\mathrm{a}} \rightleftharpoons \mathrm{N}+\mathrm{O}+M_3^{\mathrm{a}}$ 14,15 $\mathrm{NO}+M_3^{\mathrm{b}} \rightleftharpoons \mathrm{N}+\mathrm{O}+M_3^{\mathrm{b}}$ 16 $\mathrm{N}_2+\mathrm{O} \rightleftharpoons \mathrm{NO}+\mathrm{N}$ 17 $\mathrm{NO}+\mathrm{O} \rightleftharpoons \mathrm{O}_2+\mathrm{N}$ 18 $\mathrm{N}+\mathrm{O} \rightleftharpoons \mathrm{NO}^{+}+\mathrm{e}^{-}$
Table 2. Maximum transmissivity
View tableView in ArticleTable 2. Maximum transmissivity
frequency/GHz E/(kV·m−1) maximum transmissivity/% irradiation time/ns 1.2 0 21.0 0 1.2 50 71.1 30 1.2 100 73.3 30 1.2 250 70.4 26 1.2 500 46.5 2 1.6 0 27.7 0 1.6 50 71.8 30 1.6 100 73.7 30 1.6 250 70.7 24 1.6 500 46.0 2
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Yuqing Chen, Lei Wang, Lishan Zhao, Juntao He. Simulation study of the relationship between low-frequency communication EM wave transmissivity of plasma sheaths and irradiation microwave E-field strength[J]. High Power Laser and Particle Beams, 2023, 35(8): 089001
Paper Information
Category: Advanced Interdisciplinary Science
Received: Jan. 12, 2023
Accepted: Mar. 28, 2023
Published Online: Aug. 16, 2023
The Author Email: He Juntao (hjt0731@163.com)
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