A modified Nukiyama-Tanasawa distribution function and a Rosin-Rammler model for the particle-size-distribution analysis |
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Authors: | P González-Tello JM Vicaria PA González |
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Affiliation: | a Chemical Engineering Department, Faculty of Sciences, University of Granada, Avda. Fuentenueva, s/n, 18.071, Granada, Spain b Chemical Engineering Department, University of Almería, Ctra. Sacramento s/n, 04.710, Almería, Spain |
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Abstract: | No fundamental mechanism or model enables a theory on particle-size distribution to be built. Consequently, a wide variety of empirical models or equations have been proposed to characterize experimental particle-size distributions, such as the Rosin-Rammler model. Because the Nukiyama-Tanasawa equation uses four parameters to simulate differential distribution frequencies for particle-size diameters, the distribution function is not easy to apply in order to fit experimental data. In this paper, a modification of the Nukiyama-Tanasawa model with only two parameters has been proposed to fit the data on a particle-size distribution (PSD). The proposed normalized distribution function has been applied successfully to the PSD analysis (cork granulate and spray atomization droplets). |
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Keywords: | Particle size Distribution function |
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