The dynamic simulation of a crude oil unit is useful in understanding the unusual behavior of such a complex plant,which is induced by the dynamics of individual sub-processes in combination with the complex plant topology.Also,it serves to investigate suitable strategies for process control,including closed-loop operation at the nominal operating point,load and specification changes,as well as startup procedures [1].The model presented in the first part of the study [2] becomes now the simulator kernel - of course,with additional elements in order to respect the physical reality of the crude oil distillation unit,by using the powerful and versatile DIVA software environment [3,4].Both plant "open-loop" and "closed loop" simulation results are presented,proving good performances as fast simulation and accurate results.
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