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飞行器尾焰的红外辐射研究对于红外预警和红外制导有着重要的意义。对飞机的高温尾焰的红外特性进行了深入研究,定量分析了尾焰的流场分布模型和红外辐射的计算,研究了粒子系统的理论和图像生成过程,最后提出了在Vega平台上应用粒子系统仿真尾焰红外效果的一种新方法,具体分析了仿真流程并给出了仿真结果。仿真结果证明提出的方法简单并且有较高的逼真度。
The research on the infrared radiation of aircraft tail flame is of great significance to infrared early warning and infrared guidance. The infrared characteristics of the high temperature tail flame of the aircraft are studied in depth. The flow field model of the tail flame and the calculation of the infrared radiation are quantitatively analyzed. The theory of the particle system and the image generation process are studied. Finally, the application of the particle on the Vega platform A new method to simulate the end flame infrared system is given. The simulation flow is analyzed and the simulation results are given. Simulation results show that the proposed method is simple and has a high degree of fidelity.