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Salierno, G.; Maestri, M.; Piovano, S.; Cassanello, M.; Cardona, M.A.; Hojman, D.; Somacal, H. "Solid motion in a three-phase bubble column examined with Radioactive Particle Tracking" (2018) Flow Measurement and Instrumentation. 62:196-204
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Abstract:

Radioactive Particle Tracking (RPT) is a powerful advanced technique for studying the solid motion within industrial scale multiphase reactors. However, it is rather difficult to implement in actual industrial installations, mainly due to the required calibration stage under actual operating conditions. This work has the aim of comparing the motion of calcium alginate beads in a three-phase bubble column examined either with RPT or with an array of the same scintillation detectors used for RPT, but located vertically aligned beside the analyzed vessel. Liquid and solid used for the experiments were in batch mode and mixed by circulating air. The homogeneous and heterogeneous regimes have been explored. Results arising from both techniques, like axial tracer trajectories, axial profiles of tracer positions probabilities, solid axial mixing times and solid axial dispersion coefficients are compared, for highlighting the relevant information that can be extracted from the simplified method, validated by RPT. It is found that the simplified method fairly coincides with the classic technique for estimating several relevant parameters. Finally, the estimated flow regime transition inferred from the simplified method by symbolic analysis is compared with the one arising from chordal holdup trends determined by gamma densitometry, also with satisfactory agreement. © 2017 Elsevier Ltd

Registro:

Documento: Artículo
Título:Solid motion in a three-phase bubble column examined with Radioactive Particle Tracking
Autor:Salierno, G.; Maestri, M.; Piovano, S.; Cassanello, M.; Cardona, M.A.; Hojman, D.; Somacal, H.
Filiación:Laboratorio de Reactores y Sistemas para la Industria–LARSI, Dep. Industrias, FCEyN, Universidad de Buenos Aires, Intendente Güiraldes 2620, Buenos Aires, C1428BGA, Argentina
Laboratorio de Diagnóstico por Radiaciones–LADiR, Dep. Física Experimental, Comisión Nacional de Energía Atómica (CNEA), San Martín, Buenos Aires, Argentina
Escuela de Ciencia y Tecnología, Universidad Nacional de San Martín, Buenos Aires, Argentina
Palabras clave:Axially aligned detectors; Radioactive Particle Tracking; Solid motion; Three-phase bubble column; Atmospheric movements; Bubble columns; Fluidized beds; Phase comparators; Radioactive tracers; Axial dispersion coefficients; Calcium alginate beads; Flow regime transition; Industrial installations; Operating condition; Radioactive particle tracking; Solid motions; Three phase; Radioactivity
Año:2018
Volumen:62
Página de inicio:196
Página de fin:204
DOI: http://dx.doi.org/10.1016/j.flowmeasinst.2017.10.002
Título revista:Flow Measurement and Instrumentation
Título revista abreviado:Flow. Meas. Instrum.
ISSN:09555986
CODEN:FMEIE
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09555986_v62_n_p196_Salierno

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Citas:

---------- APA ----------
Salierno, G., Maestri, M., Piovano, S., Cassanello, M., Cardona, M.A., Hojman, D. & Somacal, H. (2018) . Solid motion in a three-phase bubble column examined with Radioactive Particle Tracking. Flow Measurement and Instrumentation, 62, 196-204.
http://dx.doi.org/10.1016/j.flowmeasinst.2017.10.002
---------- CHICAGO ----------
Salierno, G., Maestri, M., Piovano, S., Cassanello, M., Cardona, M.A., Hojman, D., et al. "Solid motion in a three-phase bubble column examined with Radioactive Particle Tracking" . Flow Measurement and Instrumentation 62 (2018) : 196-204.
http://dx.doi.org/10.1016/j.flowmeasinst.2017.10.002
---------- MLA ----------
Salierno, G., Maestri, M., Piovano, S., Cassanello, M., Cardona, M.A., Hojman, D., et al. "Solid motion in a three-phase bubble column examined with Radioactive Particle Tracking" . Flow Measurement and Instrumentation, vol. 62, 2018, pp. 196-204.
http://dx.doi.org/10.1016/j.flowmeasinst.2017.10.002
---------- VANCOUVER ----------
Salierno, G., Maestri, M., Piovano, S., Cassanello, M., Cardona, M.A., Hojman, D., et al. Solid motion in a three-phase bubble column examined with Radioactive Particle Tracking. Flow. Meas. Instrum. 2018;62:196-204.
http://dx.doi.org/10.1016/j.flowmeasinst.2017.10.002