Dongsheng Qu, Hongjie Fan, Lianwei Liu, Jie Chen, Qianjin Zou. Measurement of Gas Parameters in Supersonic Combustion Field Based on Near-Infrared Spectroscopy[J]. Acta Optica Sinica, 2020, 40(3): 0330001
- Acta Optica Sinica
- Vol. 40, Issue 3, 0330001 (2020)
Fig. 1. Schematic of direct-connection supersonic combustion setup
Fig. 2. Detector signals. (a) Before ignition in combustion chamber; (b) after ignition in combustion chamber
Fig. 3. Measured velocity results. (a) Isolation section; (b) combustion outlet
Fig. 4. Measured results. (a) Gas temperature; (b) mole fraction of H2O in gas; (c) gas pressure in isolation section; (d) gas pressure in extended section
Fig. 5. Measured results of shock wave in isolation section. (a) Gas velocity; (b) gas temperature; (c) mole fraction of H2O in gas; (d) gas pressure
Fig. 6. Variation of gas mass flux in isolation sectionwith time
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