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作者:

Yanan, Li (Yanan, Li.) | Xia, Ai (Xia, Ai.) | Lu, Gao (Lu, Gao.) | Shikui, Dong (Shikui, Dong.)

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摘要:

Based on electromagnetic scattering mechanism, Mie scattering theory and Monte Carlo method are used to analyze the radiation characteristics of SiC particle swarm with different distribution forms in this paper. The study find that the form of particle size distribution has a significant impact on the spectral transmittance of particle swarms. The proportion of particles of different sizes in the particle size distribution, the dispersion of particle size distribution, and the span of particle size scale all affect the infrared extinction performance of particle swarms in varying degrees. Among them, the proportion of particles of specific size in the particle size distribution is the most one, which is a necessary factor to ensure the existence and amplitude of particle characteristic spectra. The relationship between particle size distribution and radiation characteristics was deeply analyzed, and the results showed that increasing the proportion of particles within the 0.16~2.5µm particle size range of SiC particle can comprehensively improve the extinction performance of SiC particle swarm, which is of practical significance for optimizing the infrared radiation performance of particle swarms. © 2023 SPIE.

关键词:

Monte Carlo methods Size distribution Light transmission Particle size analysis Silicon carbide Particle size Silicon Infrared radiation

作者机构:

  • [ 1 ] [Yanan, Li]Beijing University of Technology, Beijing, China
  • [ 2 ] [Yanan, Li]National Key Laboratory of Science and Technology on Test Physics & Numerical Mathematics, Beijing, China
  • [ 3 ] [Xia, Ai]National Key Laboratory of Science and Technology on Test Physics & Numerical Mathematics, Beijing, China
  • [ 4 ] [Lu, Gao]National Key Laboratory of Science and Technology on Test Physics & Numerical Mathematics, Beijing, China
  • [ 5 ] [Shikui, Dong]Harbin Institute of Technology, Harbin, China

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ISSN: 0277-786X

年份: 2023

卷: 12617

语种: 英文

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