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  • The study focuses on simulation of rotary kilns processing granular media. Axial and radial dispersion and segregation occurs in inclined rotating cylindrical vessels which contain granular material. In this study, the application of the dispersion model is verified for the calculation of axial dispersion of granular material during its passage through an inclined rotating cylindrical vessel. Data from the measurement of the residence time of two fractions of granular material in a rotary kiln has been used for verification of the dispersion model. The rotary kiln was in the slumping mode. The dispersion model provides a relatively true picture of the axial dispersion in both fractions of granular material fed into the rotating cylinder - rotary kiln. Dispersion coefficients calculated according to the published relations approximates the dispersion coefficients estimated according to the dispersion model and the data measured. The study also includes a simplified calculation of axial dispersion respecting the radial segregation of the fractions and ignoring radial dispersion of granular material. Finer particles move inside the layer as a result of the radial segregation, thus having longer residence time than larger particles which move on the periphery. There is a great deal of consistency between the values measured and the results of the simplified calculation.
  • The study focuses on simulation of rotary kilns processing granular media. Axial and radial dispersion and segregation occurs in inclined rotating cylindrical vessels which contain granular material. In this study, the application of the dispersion model is verified for the calculation of axial dispersion of granular material during its passage through an inclined rotating cylindrical vessel. Data from the measurement of the residence time of two fractions of granular material in a rotary kiln has been used for verification of the dispersion model. The rotary kiln was in the slumping mode. The dispersion model provides a relatively true picture of the axial dispersion in both fractions of granular material fed into the rotating cylinder - rotary kiln. Dispersion coefficients calculated according to the published relations approximates the dispersion coefficients estimated according to the dispersion model and the data measured. The study also includes a simplified calculation of axial dispersion respecting the radial segregation of the fractions and ignoring radial dispersion of granular material. Finer particles move inside the layer as a result of the radial segregation, thus having longer residence time than larger particles which move on the periphery. There is a great deal of consistency between the values measured and the results of the simplified calculation. (en)
Title
  • Simulation of the passage of particulate material through a rotary kiln
  • Simulation of the passage of particulate material through a rotary kiln (en)
skos:prefLabel
  • Simulation of the passage of particulate material through a rotary kiln
  • Simulation of the passage of particulate material through a rotary kiln (en)
skos:notation
  • RIV/68407700:21220/12:00196308!RIV13-MSM-21220___
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  • Z(MSM6840770035)
http://linked.open...vai/riv/dodaniDat
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  • 168054
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  • RIV/68407700:21220/12:00196308
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http://linked.open.../riv/klicovaSlova
  • kiln; axial dispersion; radial dispersion (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [4FD10B92364C]
http://linked.open...v/mistoKonaniAkce
  • Praha
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  • Praha
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  • 20th International Conference of Chemical and Process Engineering CHISA 2012 and 15th Conference PRESS 2012, CD-ROM of Full Text
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http://linked.open...UplatneniVysledku
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  • Ditl, Pavel
  • Bernard, P.
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
http://linked.open...n/vavai/riv/zamer
number of pages
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  • Česká společnost chemického inženýrství
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  • 978-80-905035-1-9
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  • 21220
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