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Hydrodynamic Studies in Slurry Bubble Columns: Experimental and Numerical Study

Rabha, Swapna / Schubert, Markus / Hampel, Uwe

To overcome the current difficulties in designing a slurry bubble column (SBC) reactor with respect to the effect of particle properties, the influence of solid concentration (C_s) on the hydrodynamics of a SBC was studied experimentally using ultrafast electron beam X‐ray tomography. The real time gas flow structure, average bubble diameter and average gas holdup as a function of the superficial gas velocity and C_s have been reported. Corresponding three‐phase simulations were also performed using the Euler‐Euler multi‐fluid model implemented in CFX 14. The bubble size distribution was calculated using the MUSIG model. The predicted gas holdup and bubble size distribution also show dependence on U_G and C_s and agree well with the measurements.

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Hydrodynamic Studies in Slurry Bubble Columns: Experimental and Numerical Study

Rabha, Swapna / Schubert, Markus / Hampel, Uwe

To overcome the current difficulties in designing a slurry bubble column (SBC) reactor with respect to the effect of particle properties, the influence of solid concentration (C_s) on the hydrodynamics of a SBC was studied experimentally using ultrafast electron beam X‐ray tomography. The real time gas flow structure, average bubble diameter and average gas holdup as a function of the superficial gas velocity and C_s have been reported. Corresponding three‐phase simulations were also performed using the Euler‐Euler multi‐fluid model implemented in CFX 14. The bubble size distribution was calculated using the MUSIG model. The predicted gas holdup and bubble size distribution also show dependence on U_G and C_s and agree well with the measurements.

Hydrodynamic Studies in Slurry Bubble Columns: Experimental and Numerical Study

Rabha, Swapna / Schubert, Markus / Hampel, Uwe

To overcome the current difficulties in designing a slurry bubble column (SBC) reactor with respect to the effect of particle properties, the influence of solid concentration (C_s) on the hydrodynamics of a SBC was studied experimentally using ultrafast electron beam X‐ray tomography. The real time gas flow structure, average bubble diameter and average gas holdup as a function of the superficial gas velocity and C_s have been reported. Corresponding three‐phase simulations were also performed using the Euler‐Euler multi‐fluid model implemented in CFX 14. The bubble size distribution was calculated using the MUSIG model. The predicted gas holdup and bubble size distribution also show dependence on U_G and C_s and agree well with the measurements.

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Titel:

Hydrodynamic Studies in Slurry Bubble Columns: Experimental and Numerical Study

Beteiligte:

Rabha, Swapna (Autor:in) / Schubert, Markus (Autor:in) / Hampel, Uwe (Autor:in)

Erschienen in:

Chemie Ingenieur Technik ; 85 ; 1092-1098

Erscheinungsdatum:

01.07.2013

Format / Umfang:

7 pages

ISSN:

0009-286X , 1522-2640

DOI:

https://doi.org/10.1002/cite.201200227

Medientyp:

Aufsatz (Zeitschrift)

Format:

Elektronische Ressource

Sprache:

Englisch

Schlagwörter:

Euler‐Euler modeling , Ultrafast electron beam X‐ray tomography , Solid concentration , Slurry bubble column

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