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Analysis of Shook-Gillies model using radiometrically measured concentration profiles in settling-slurry pipe
Pěník, Vojtěch ; Matoušek, Václav ; Krupička, Jan
In 1994, R.G. Gillies and C.A. Shook published their predictive model for concentration profiles in pipe flows of heterogeneous settling slurries. The model has not been validated in the literature yet. In this paper, the model is analysed and compared with own concentration profiles measured using a radiometic device presented at the last Symposium on Anemometry. The results show that key parameters of the model are insufficiently evaluated and their use in the model rather unclear. The model should be validated using a representative database of experimentally determined concentration profiles. On this base, the key parameters in the model should be specified in more details.
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Further developements in radiometric method for measurement of slurry density distribution in pipe flow
Krupička, Jan ; Matoušek, Václav ; Pěník, Vojtěch
Laboratory test loop for slurry pipe experiments at the Institute of Hydrodynamics is equipped with two prototypes of radiometric devices which are in permanent evolution as well as the radiometric method of measurement and data processing. Effect of usage of collimated gamma-ray source on the spatial resolution of the radiometric method is studied in this article. Up to now, four differend versions of image reconstruction methods were used to evaluate concentration distribution in a pipe cross-section. Comparison of these methods is presented based on experimental data.
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