Wen Cheng, Honghu Ji, Xiaojuan Shi, Hao Wang. Numerical study of fluid flow, heat transfer and infrared signature of 2D exhaust system model with full shielded guide vane combined with rear body[J]. Infrared and Laser Engineering, 2022, 51(9): 20210965
- Infrared and Laser Engineering
- Vol. 51, Issue 9, 20210965 (2022)
Fig. 1. The model of baseline axisymmetric exhaust system combined with aircraft rear body
Fig. 2. The model of 2 D exhaust system combined with aircraft rear body
Fig. 3. Schematic diagram of FSGV and cone
Fig. 4. The model of 2D exhaust system with FSGV and combined with aircraft rear body
Fig. 5. Schematic diagram of flow field computational domain
Fig. 6. Grid of flow field and wall in combined model
Fig. 7. Grid independence verification
Fig. 8. Schematic diagram of 2D exhaust system combined with rear body model detection surface
Fig. 9. Static pressure distribution on the rear body external surface
Fig. 10. Temperature field distribution on the middle section of three combined models
Fig. 11. Temperature along the wall of the C-D nozzle section of three combined models
Fig. 12. Mass fraction of CO2 on the middle section of three combined models
Fig. 13. Comparison of radiation intensity of three combined model
Fig. 14. Radiation intensity of main component of the baseline axisymmetric exhaust system combined with rear body model
Fig. 15. Radiation intensity of main component on horizontal detection surface of the 2D exhaust system combined with rear body model
Fig. 16. Radiation intensity of main component on horizonta detection surface of the 2D exhaust system with FSGV combined with rear body model
Fig. 17. The radiation intensity of FSGV when the vane is cooling
Fig. 18. Comparison of radiation intensity of 2D exhaust system with FSGV and combined with rear body model when the vane is cooling
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Table 1. Boundary conditions
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Table 2. Flow and thrust characteristic
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Table 3. Resistance of rear body external surface
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