Influence of particle size distribution on the radiation characteristics of SiC particle swarm

Yanan Li; Xia Ai; Lu Gao; Shikui Dong

doi:10.1117/12.2664915

4 April 2023 Influence of particle size distribution on the radiation characteristics of SiC particle swarm

Yanan Li, Xia Ai, Lu Gao, Shikui Dong

Proceedings Volume 12617, Ninth Symposium on Novel Photoelectronic Detection Technology and Applications; 126172J (2023) https://doi.org/10.1117/12.2664915
Event: 9th Symposium on Novel Photoelectronic Detection Technology and Applications (NDTA 2022), 2022, Hefei, China

Abstract

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. 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 in the 0.16~2.5 µm particle size range of SiC particle swarm can comprehensively improve the extinction performance of SiC particle swarm, this is of practical significance for optimizing the infrared radiation performance of particle swarms.

Citation Download Citation

Yanan Li, Xia Ai, Lu Gao, and Shikui Dong "Influence of particle size distribution on the radiation characteristics of SiC particle swarm", Proc. SPIE 12617, Ninth Symposium on Novel Photoelectronic Detection Technology and Applications, 126172J (4 April 2023); https://doi.org/10.1117/12.2664915

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KEYWORDS

Particles

Mie scattering

Scattering

Silicon carbide

Transmittance

Infrared radiation

Absorption

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