Yunsong FENG, Tong WANG, Siyu WANG, Wei JIN, Yuanxin SHANG, Changqi ZHOU. Study on infrared radiation characteristics of rotorcraft based on Monte Carlo method[J]. Infrared and Laser Engineering, 2024, 53(9): 20240248
- Infrared and Laser Engineering
- Vol. 53, Issue 9, 20240248 (2024)
Fig. 1. Geometric model of small rotorcraft
Fig. 2. Surface meshing
Fig. 3. Far-infrared thermal images of rotorcraft under different working conditions. (a) Static and no load; (b) 10-minute flight and no load; (c) 10-minute flight and load 100 g
Fig. 4. Gridded spherical receiving surface
Fig. 5. Flow chart of calculating infrared radiation by Monte Carlo method
Fig. 6. Spatial distribution of far-infrared radiation intensity of rotorcraft under different working conditions. (a) Static and no load; (b) 10-minute flight and no load
Fig. 7. Curve of radiation intensity with zenith angle θ while
Fig. 8. Curve of radiation intensity with circumferential angle φ while θ = 78.3°
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Table 1. Temperature values of each part of the rotorcraft under different working conditions
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