Multi-angle light scattering (MALS) for soot analysis : influence of aggregate polydispersivity on the structure factor

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Conference4th International Workshop and Meeting on Laser-Induced Incandescence : Quantitative Interpretation, Modeling, Application, April 18-20, 2010, Varenna, Lecco, Italy
AbstractA major shortcoming of LII is its inability to measure soot aggregate properties. Elastic light scattering, however, is a suitable method to provide these additional information [1]. The technique has been performed following different strategies, mainly in terms of the number of angles involved and the use of absolute or relative scattering intensities. The key quantity to express the relative angular scattering within Rayleigh-Debye-Gans (RDG) theory is the structure factor, which undergoes a subtle but significant modulation during the transition from a monodisperse to a polydisperse distribution, makingit difficult to determine the size and polydispersity parameters simultaneously.
AffiliationNational Research Council Canada (NRC-CNRC); NRC Institute for Chemical Process and Environmental Technology
Peer reviewedNo
NRC number52109
NPARC number16142973
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Record identifier0b63176a-1b92-40c2-a0eb-3bb25ef5a4a4
Record created2010-09-30
Record modified2016-05-09
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