Yuheng Wang, Honghu Ji, Wen Cheng, Jiquan Li. Influence of design of convergent-divergent nozzle on aerodynamic and infrared characteristics of serpentine 2-D exhaust system[J]. Infrared and Laser Engineering, 2021, 50(11): 20210084
- Infrared and Laser Engineering
- Vol. 50, Issue 11, 20210084 (2021)
Fig. 1. Geometric model of the reference axisymmetric exhaust system
Fig. 2. Geometrical parameters of serpentine 2-D convergent-divergent nozzle
Fig. 3. Side and top views of three serpentine 2-D convergent-divergent exhaust system
Fig. 4. Serpentine 2-D convergent-divergent exhaust system with afterbody
Fig. 5. Computational domain and boundary conditions
Fig. 6. Grid of flow field and wall in serpentine 2-D convergent-divergent exhaust system
Fig. 7. Sketch map of detection planes
Fig. 8. Contrast of streamline distribution on symmetry plane of nozzle expansion section
Fig. 9. Comparison of dimensionless wall temperature distribution
Fig. 10. Comparison of constant temperature line in symmetric plane of serpentine 2-D convergent-divergent exhaust system
Fig. 11. Comparison of entrainment ratio
Fig. 12. CO2component concentration distribution on the symmetry plane
Fig. 13. Comparison of integral infrared radiation intensity on side detection plane
Fig. 14. Comparison of integral infrared radiation intensity on upper and lower detection plane
| ||||||||||||||||||||||||||||||||
Table 1. Design parameters of serpentine 2-D convergent-divergent nozzle
|
Table 2. Boundary conditions
|
Table 3. Cd and Cf of three serpentine 2-D convergent-divergent exhaust system
| |||||||||||||||
Table 4. Sensitivity analysis of average integral infrared radiation intensity
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20