EULERIAN MODELING OF A CIRCULATING FLUIDIZED BED, INCLUDING MEAN PARTICLE DIAMETER

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OMIDBAKHSH E.; HORMOZI F.; HAGHIGHI ASL A.

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Seminar Paper

Paper Information

Seminar: CHEMICAL ENGINEERING CONGRESS AND EXHIBITION
Year:2008 | Issue:5

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Title

EULERIAN MODELING OF A CIRCULATING FLUIDIZED BED, INCLUDING MEAN PARTICLE DIAMETER

Author(s)

OMIDBAKHSH E. | HORMOZI F. | HAGHIGHI ASL A.

Keywords

EULERIAN CFD MODEL

GAS–PARTICLE FLOW

CIRCULATING FLUIDIZED BED

Abstract

THIS PAPER PRESENTS A COMPUTATIONAL STUDY OF THE FLOW BEHAVIOR IN A COLD-FLOW SCALE CIRCULATING FLUIDIZED BED. A MULTI-FLUID COMPUTATIONAL FLUID DYNAMICS (CFD) MODEL HAS BEEN DEVELOPED AND VERIFIED AGAINST EXPERIMENTAL DATA REPORTED IN THE LITERATURE. THE FLOW MODEL IS BASED ON AN EULERIAN DESCRIPTION OF THE PHASE WHERE THE KINETIC THEORY OF GRANULAR FLOW FORMS THE BASIS FOR THE TURBULENCE MODELING IN THE SOLID PHASE. THE MODEL IS GENERALIZED FOR ONE GAS PHASE AND MEAN PARTICLE SIZE OF SOLIDS PHASE TO ENABLE A REALISTIC DESCRIPTION OF THE PARTICLE SIZE DISTRIBUTION IN GAS - SOLIDS FLOW SYSTEMS. SOLID PHASE IS CHARACTERIZED BY A MEAN DIAMETER, DENSITY AND RESTITUTION COEFFICIENT. MOST EMPHASIS IS GIVEN TO STUDY THE EFFECTS OF MEAN PARTICLE SIZE DISTRIBUTIONS TO STUDY THE FLUCTUATING BEHAVIOR OF THE DILUTE GAS-SOLIDS FLOW SYSTEM. ALTOGETHER, THE SIMULATION RESULTS ARE IN GOOD AGREEMENT WITH EXPERIMENTAL DATA. BOTH MEAN DIAMETERS, AXIAL AND RADIAL MEAN AND TURBULENT VELOCITIES ARE CALCULATED SUCCESSFULLY.

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APA: Copy

OMIDBAKHSH, E., HORMOZI, F., & HAGHIGHI ASL, A.. (2008). EULERIAN MODELING OF A CIRCULATING FLUIDIZED BED, INCLUDING MEAN PARTICLE DIAMETER. INTERNATIONAL CHEMICAL ENGINEERING CONGRESS AND EXHIBITION. SID. https://sid.ir/paper/908632/en

Vancouver: Copy

OMIDBAKHSH E., HORMOZI F., HAGHIGHI ASL A.. EULERIAN MODELING OF A CIRCULATING FLUIDIZED BED, INCLUDING MEAN PARTICLE DIAMETER. 2008. Available from: https://sid.ir/paper/908632/en

IEEE: Copy

E. OMIDBAKHSH, F. HORMOZI, and A. HAGHIGHI ASL, “EULERIAN MODELING OF A CIRCULATING FLUIDIZED BED, INCLUDING MEAN PARTICLE DIAMETER,” presented at the INTERNATIONAL CHEMICAL ENGINEERING CONGRESS AND EXHIBITION. 2008, [Online]. Available: https://sid.ir/paper/908632/en

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