Numerical Simulation Study on Gas Flow Distribution of a Moving Bed of Limestone Particles
Bioinformatics and Biomedical Engineering（2010）
摘要
The gas flow distribution of a moving granular bed of limestone particles has been analyzed numerically by using computational fluid dynamics (CFD) method. The SIMPLE method is applied in the calculations of Reynolds averaged flow equations and k-ε turbulence equations. The results showed that when the angle between two side of the moving granular bed is 10 degrees, the air streamline is smooth; the flow flux deviation between the upper, middle and the bottom of the moving granular bed is less than 3%; the pressure loss approximately is 500pa.
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关键词
pressure loss,bed pressure drop,flow flux deviation,moving granular bed,air streamline,computational fluid dynamics,granular flow,desulphurization,calcium compounds,flow simulation,limestone particles,gas flow distribution,cfd,k-ε turbulence equations,simple method,numerical simulation,fluidised beds,reynolds averaged flow equations,turbulence,caco3,fluid flow,calcium,mathematical model,flue gases,kinetic energy,inductors,computer architecture
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