Three-dimensional hydrodynamic and erosion modeling of fluidized beds using kinetic theory

Conference · Fri May 01 04:00:00 EDT 1992

OSTI ID:7274318

Ding, J; Lyczkowski, R W ^[1]; Burge, S W ^[2]

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1. Argonne National Lab., IL (United States)
2. Babcock and Wilcox Co., Alliance, OH (United States). Research Center

Three-dimensional hydrodynamic models for gas-solids flow are developed and used to compute bubble and solids motion in rectangular fluidized beds. Our computed results demonstrate the significance and necessity for three-dimensional models of hydrodynamics and erosion in fluidized-bed combustors. A kinetic theory model for erosion using Finnie's single-particle ductile erosion model was used to compute erosion in a rectangular fluidized bed containing a single tube. Comparison of two-dimensional and three-dimensional computed hydrodynamics, erosion rates, and patterns clearly show the superiority of three-dimensional modeling.

• Research Organization: Argonne National Lab., IL (United States)
• Sponsoring Organization: DOE; EPRI; STOFIL; TVA; USDOE, Washington, DC (United States); Electric Power Research Inst., Palo Alto, CA (United States); Illinois State Government, Springfield, IL (United States); Tennessee Valley Authority, Knoxville, TN (United States)
• DOE Contract Number: W-31109-ENG-38
• OSTI ID: 7274318
• Report Number(s): ANL/CP-72368; CONF-920382--1; ON: DE92019037
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
014000* -- Coal
Lignite
& Peat-- Combustion
36 MATERIALS SCIENCE
360105 -- Metals & Alloys-- Corrosion & Erosion
42 ENGINEERING
420400 -- Engineering-- Heat Transfer & Fluid Flow
99 GENERAL AND MISCELLANEOUS
990200 -- Mathematics & Computers
BUBBLES
COMBUSTORS
EROSION
FLOW MODELS
FLUID FLOW
FLUIDIZED-BED COMBUSTORS
FLUIDS
GASES
KINETICS
MATHEMATICAL MODELS
MULTIPHASE FLOW
SOLIDS
THREE-DIMENSIONAL CALCULATIONS
TUBES