Changhang ZENG, Jun CHEN, Yibin HUANG, Mingwei WANG, Hai REN, Youyu GAN. Calculation of the angle factor of the cryogenic infrared detector Dewar[J]. Infrared and Laser Engineering, 2024, 53(6): 20240106
- Infrared and Laser Engineering
- Vol. 53, Issue 6, 20240106 (2024)
Fig. 1. (a) 3ds Max model of cold shield; (b) Cold shield triangulation
Fig. 2. Triangle and emission point
Fig. 3. Generate random points inside the triangle
Fig. 4. Generate uniformly distributed random points inside the triangle
Fig. 5. Emission direction of energy bundle
Fig. 6. Solid surfaces radiate energy
Fig. 7. Spatial distribution of surface radiant energy by Monte Carlo method
Fig. 8. Flow chart of angle factor calculation
Fig. 9. Two parallel rectangular surface
Fig. 10. Two coaxial parallel disk surfaces
Fig. 11. Two vertical rectangular surfaces
Fig. 12. Monte Carlo solution of angle factor
Fig. 13. Relative error of two parallel rectangular surfaces
Fig. 14. Relative error of two coaxial parallel disk surfaces
Fig. 15. Relative error of two vertical rectangular surfaces
Fig. 16. Dewar
Fig. 17. Dewar triangulation
Fig. 18. The angle factor X 2,2 of Dewar
Fig. 19. The angle factor X 2,13 of Dewar
|
Table 1. OBJ file of the points of triangle
|
Table 2. OBJ file of triangle
|
Table 3. Relative error and angle factor of two parallel rectangular surface
|
Table 4. Radiation surface number
|
Table 5. Partial angle factor of Jupiter Dewar
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