High Power Laser and Particle Beams, Volume. 37, Issue 2, 021002(2025)
Simulation and experimental characteristics of supersonic center ejector
Figures & Tables(12)
Fig. 3. Comparison between experimental and simulated wall static pressure distribution
Fig. 4. Numerical schlieren plots of shock train positions under different mixing chamber area reduction ratios
Fig. 6. Performance optimization of ultrasonic center guide device
Table 1. Development of boost ratio under Different Shrinkage Ratios
View tableView in ArticleTable 1. Development of boost ratio under Different Shrinkage Ratios
shrinkage ratio total pressure at the secondary outlet/Pa back pressure at the outlet/Pa pressure increase ratio 0.60 15193 99783 6.57 0.65 14902 100278 6.73 0.70 14586 99573 6.83 0.75 14369 99833 6.95 0.80 14145 99779 7.05
Table 2. Simulation condition settings
View tableView in ArticleTable 2. Simulation condition settings
boundary mass flow rate/(kg/s) temperature/K pressure/kPa one flow inlet 3.40～4.70 300 3400 secondary inlet 0.72 300 11 export − − 100
Table 3. Blind chamber pressure during startup of ultrasonic injector
View tableView in ArticleTable 3. Blind chamber pressure during startup of ultrasonic injector
ejector type primary flow starting pressure/MPa blind chamber pressure/kPa central ejection-contraction 2.6 1.3 central ejection 3.3 1.4 two structure ejection 3.8 4.1 four structure ejection 5.0 4.0
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Saiqiang Zhang, Wanwu Xu, Zhiyan Li, Tao Liang, Yifan Zhang. Simulation and experimental characteristics of supersonic center ejector[J]. High Power Laser and Particle Beams, 2025, 37(2): 021002
Paper Information
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Received: Jun. 23, 2024
Accepted: Oct. 18, 2024
Published Online: Mar. 25, 2025
The Author Email: Xu Wanwu (cfdxww@nudt.edu.cn)
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