On methods determining the fractal dimension of combustion aerosols and particleclusters
Combustion aerosols and particle clusters are often analysed by transmission electron microscopy in order to characterize their morphology on the basis of the fractal dimension. We present a study that is focused on the determination of the mass and perimetric fractal dimensions with two different m...
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| Veröffentlicht in: | Journal of aerosol science 2013-04, Vol.58, p.41-49 |
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| container_title | Journal of aerosol science |
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| creator | Lottin, D. Ferry, D. Gay, J.-M. Delhaye, D. Ouf, F.-X. |
| description | Combustion aerosols and particle clusters are often analysed by transmission electron microscopy in order to characterize their morphology on the basis of the fractal dimension. We present a study that is focused on the determination of the mass and perimetric fractal dimensions with two different methods. An individual method relies on the study of a single aggregate at different scales whereas a collective method is based on a population of a large number of aggregates. We investigate the influence of many parameters like the image resolution, the aggregates roughness or their orientation on the determination of the fractal dimension as well as the carefulness required to correctly define the box size range in the individual method.
► We perform a fractal analysis of combustion aerosols. ► Mass and perimetric fractal dimensions of aggregates are discussed. ► Distinction between aggregates having similar shapes but different roughnesses. |
| doi_str_mv | 10.1016/j.jaerosci.2012.12.009 |
| format | Article |
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| ispartof | Journal of aerosol science, 2013-04, Vol.58, p.41-49 |
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| language | eng |
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| source | Access via ScienceDirect (Elsevier) |
| subjects | Combustion soot aggregates Covering box method Mass fractal dimension Perimetric fractal dimension Physics Transmission electron microscopy |
| title | On methods determining the fractal dimension of combustion aerosols and particleclusters |
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