Chinese Optics, Volume. 16, Issue 2, 296(2023)
Spectral diagnosis of an arc jet actuator
Fig. 1. Structure diagram of arc jet plasma actuator. (a) Stereogram; (b) cross section image
Fig. 2. Plasma characteristic distributions at current of 60 A and gas inlet velocity of 0.5 m/s. (a) Potential; (b) pressure; (c) temperature; (d) speed
Fig. 3. Experimental photographs of arc jet plasma actuator. (a) Arc jet plasma actuator; (b) plasma jet
Fig. 4. Spectrometer calibration diagram and six strong spectral lines
Fig. 6. Comparison diagrams of experimental and simulation results of (a) electron temperature and (b) electron density under different inlet gas flows
Fig. 7. Comparison diagrams of experimental and simulation results of (a) electron temperature and (b) electron density under different discharge currents
Table 1. Experimental and simulation results under different working conditions
View tableView in ArticleTable 1. Experimental and simulation results under different working conditions
Condition Number Preset current/A Discharge Current/A Discharge Voltage/V Rate of Flow/(L·min−1) Te from experiment/K ne from experiment/m−3 Te from Simulation/K ne from Simulation/m−3 1 80 58 32 40 10505.8 5.75×1022 11743 2.45×1022 2 80 52.8 31 30 10184.6 2.53×1022 11258 1.75×1022 3 80 50.4 32 20 9943.6 1.31×1022 10656 1.11×1022 4 80 49.7 27 20 10451.8 4.87×1022 10623 1.08×1022 5 75 48.9 28 20 10226.0 2.77×1022 10582 1.04×1022 6 70 47.9 28 20 9925.7 1.27×1022 10530 9.96×1021
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Ye YUAN, Lei-chao TIAN, Cheng GUO, Qing ZHAO. Spectral diagnosis of an arc jet actuator[J]. Chinese Optics, 2023, 16(2): 296
Category: Original Article
Received: May. 13, 2022
Accepted: Aug. 24, 2022
Published Online: Apr. 4, 2023
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