Abstract
The radiative properties of aggregated particles, such as the extinction efficiency factor, scattering efficiency factor and phase function, are studied using generalized multi-particle Mie-solution (GMM) method. Compared with the radiative properties of spheres calculated by Mie theory without considering the interactions among element particles, it shows that there exist many discrepancies, which change with the distance between particles and the size parameter, when considering the interactions among element particles. Furthermore, compared with the equivalent (area or volume) sphere, the influence of aggregated particles on the radiative transfer is analyzed. It shows that there exist obvious differences in temperature field with or without the consideration of interactions among particles in aggregated particles, and the maximum relative error is about 20%. Therefore, the interactions among particles in aggregated particles should not be ignored when calculating the temperature distribution of the media filled with aggregated particles.
| Original language | English |
|---|---|
| Pages (from-to) | 71-76 |
| Number of pages | 6 |
| Journal | Harbin Gongye Daxue Xuebao/Journal of Harbin Institute of Technology |
| Volume | 41 |
| Issue number | 3 |
| State | Published - Mar 2009 |
| Externally published | Yes |
Keywords
- Aggregated particles
- GMM method
- Radiative properties
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