Online monitoring, simulation and prediction of multiphase flows

An online monitoring and simulation tool (OMST) is used to determine, analyse, simulate and predict the multiphase flow behaviour in an extraction column within the context of model predictive control (MPC). The simulation was done with the droplet population model OPOSPM using an adapted moments me...

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Bibliographic Details
Published in:Canadian journal of chemical engineering 2014-02, Vol.92 (2), p.307-317
Main Authors: Mickler, Matthias, Jildeh, Hanin B., Attarakih, Menwer, Bart, Hans-Jörg
Format: Article
Language:English
Subjects:
Computer simulation
Droplets
Dynamical systems
Dynamics
Mathematical models
model predictive control
Monitoring
Multiphase flow
Online
online monitoring
population balance simulation
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Summary:An online monitoring and simulation tool (OMST) is used to determine, analyse, simulate and predict the multiphase flow behaviour in an extraction column within the context of model predictive control (MPC). The simulation was done with the droplet population model OPOSPM using an adapted moments method for online simulation. For validation, steady‐state and transient experiments are performed, where rotor speed and dispersed volume flow rate are changed using the EFCE system toluene–water. OMST deviations are between 3% (droplet sizes in steady state) and 20% (hold‐up in dynamic step‐changes) which are highly dependent on the quality of the parameter estimation.
ISSN:0008-4034
1939-019X
DOI:10.1002/cjce.21893