Avoid Fluidization Pitfalls
Fluidized beds are susceptible to such problems as bed slugging, loss of fines, and gas bypassing. This article explains how to avoid these pitfalls.
Constitutive Equation for Heat Transfer Caused by Mass Transfer
This paper presents a constitutive equation for the thermal heat transfer associated by mass transfer, applicable to both Eulerian–Eulerian and Eulerian–Lagrangian multiphase computational fluid dynamic models.
Introduction to Fluidization
Fluidized beds offer excellent heat transfer, and have the unique ability to move a wide range of solid particles in a fluid-like fashion.
Experimental and CPFD Numerical Study on Hopper Discharge
This study by researchers from the Shanghai Engineering Research Center of Coal Gasification investigated the applicability of the CPFD) numerical scheme for simulating flows in a 3-D hopper.
CPFD Numerical Study of Impact Dryer Performance
Bigda, from the Institute for Chemical Processing of Coal (IChPW), Poland, presents CPFD numerical studies of the hydrodynamics of gas-solid flow and the drying process using Barracuda Virtual Reactor.
CPFD Modeling of Industrial-Scale Dry Flue Gas Desulfurization Systems
In this paper a CPFD model for dry flue gas desulfurization (DFGD) systems was developed, validated against lab-scale data, and applied to an industrial-scale unit.
Effect of in-Bed Heat Exchanger on Bed Inventory Imbalance in a Pantleg CFB Design – A CFD Study
In this paper presented at CFB-11, a team from Babcok & Wilcox Power Generation Group report on Barracuda simulations of a large capacity, pantleg CFB boiler.
A Critical Validation Study on CPFD Model in Simulating Gas–Solid Bubbling Fluidized Beds
To demonstrate the strengths and weaknesses of Barracuda Virtual Reactor, a model of a pseudo-2D fluidized bed created using it is compared to a two-fluid model (TFM).
Application of Multiphase Flow Computational Dynamics to Real Process Challenges: Thien Cyclone
A novel solids separator for a chemical looping reactor was designed at NETL using Barracuda Virtual Reactor, and the final as-built separator performed well.
Modeling on the Hydrodynamics of Pressurized High-Flux Circulating Fluidized Beds (PHFCFBs) by Eulerian–Lagrangian Approach
A novel Eulerian–Lagrangian approach based on the multi-phase particle-in-cell (MP-PIC) methodology was applied in the simulation of the hydrodynamic behavior of pressurized high-flux circulating fluidized beds (DHFCFBs), and the sensitivities of key models and modeling parameters on the predictions were tested systematically.