Feifei Cao, Honghu Ji, Mingfei Yu, kaijun Wu. Effects of low emissivity material coating site on wall temperature and infrared characteristics of exhaust system[J]. Infrared and Laser Engineering, 2020, 49(10): 20190131
- Infrared and Laser Engineering
- Vol. 49, Issue 10, 20190131 (2020)
Fig. 1. Schematic diagram of axisymmetric exhaust system
Fig. 2. Schematic diagram of serpentine 2-D exhaust system
Fig. 3. Assemble coating schemes of low-emissivity materials on the center cone and mixer
Fig. 4. Schematic diagram of experiment system
Fig. 5. Core inlet (a); central cone (b); nozzle wall (c) temperature change curves with time
Fig. 6. Infrared radiation measurement system
Fig. 7. Sketch map of infrared radiation detection points
Fig. 8. Wall temperature distribution of axisymmetric nozzle and center cone in different coating states
Fig. 9. Temperature change of centerline on every side surface ofserpentine 2-D nozzle in different coating states
Fig. 10. Nondimensional integral radiation intensity of axisymmetric exhaust system in different coating states
Fig. 11. Nondimensional integral radiation intensity of sider detection plane of serpentine 2-D exhaust system in different coating states
Fig. 12. Nondimensional integral radiation intensity of upper and lower detection plane of serpentine 2-D exhaust system in different coating states
Fig. 13. Visible high temperature components of serpentine 2-D exhaust system at the 5° and 10° viewing anglesS弯二元喷管
5°和10°时的可视高温部件
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Table 1. [in Chinese]
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