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Bifurcation Characteristics of Flows in Rectangular Sudden Expansion Channels
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The effect of three dimensionality on low Reynolds number flows past a symmetric sudden expansion in a channel was investigated. The geometric expansion ratio in the current study was 2:1 and ...
Hybrid Two-Fluid DEM Simulation of Gas-Solid Fluidized Beds
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Simulations of gas-solid fluidized beds have been performed using a hybrid simulation method, which couples the discrete element method (DEM) for particle dynamics with the averaged two-fluid ...
Modeling and Predicting Gas-Solid Fluidized Bed Dynamics to Capture Nonuniform Inlet Conditions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The hydrodynamics of fluidized beds involving gas-solids interactions are very complex, and modeling such a system using computational fluid dynamics (CFD) modeling is even more challenging for ...
A Combined Numerical and Experimental Study of Hydrodynamics for an Air-Water External Loop Airlift Reactor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The external loop airlift reactor (ELALR) is a modified bubble column reactor that is composed of two vertical columns that are interconnected with two horizontal tubes and is often preferred ...
CFD Modeling and X-Ray Imaging of Biomass in a Fluidized Bed
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Computational modeling of fluidized beds can be used to predict the operation of biomass gasifiers after extensive validation with experimental data. The present work focused on validating ...