(559c) Computational Simulation of Fluidization Dynamics Inside a Biomass Gasifier
AIChE Annual Meeting
2009
2009 Annual Meeting
Particle Technology Forum
Fluidization and Fluid-Particle Systems for Gasification and Biomass Utilization
Thursday, November 12, 2009 - 1:30pm to 2:00pm
Scale-up of biomass gasification technology, from experiments to pilot plants to commercial units, is an involved, time-consuming and expensive process. With advances in modeling and high speed computing, it becomes possible to dovetail experimental and simulation work to enhance the speed as well as reduce the overall cost of technology commercialization. This paper presents a computational model for simulating the complex, three-dimensional, transient, multiphase gas-solids behavior inside a commercial biomass gasification unit using the computational particle fluid dynamics numerical method. Results include complex gas-solids flow phenomena including bed expansion, bubble behavior and solids circulation profiles.
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