A stochastic modelling approach to particle residence time distribution

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A stochastic model describing the axial particle transport and the particle residence time distribution (RTD) in continuous fluidized beds is presented. This model has the advantage of clarity and intuitive appeal. Moreover, the method of solution of the model is far simpler and more powerful than for the traditional modelling approach based o­n conservation equations. After presentation of the model and the method of solution, predictions for the transient axial distribution of tracer particles in a fluidized bed are shown graphically. Predicted RTD curves are also shown graphically and compared with experimental data from the literature. Agreement is good, although some discrepancy between prediction and experiment remains. A discussion is provided.


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Author(s): 
Hoffmann, A.C. ,Dehling, H.G.
Journal: 
Proceedings of the World Conference o­n Particle Technology 3, Brighton, UK, July 1998.
Copyright: 
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