Towards an Insight into the Dynamic Behaviour of Tray Distillation Columns Through Analysis and Simulation of Dynamically Asymmetric Packed Columns
Nassehzadeh Tabrizi, M. H.
(1979)
Towards an Insight into the Dynamic Behaviour of Tray Distillation Columns Through Analysis and Simulation of Dynamically Asymmetric Packed Columns.
Research Report.
ACSE Research Report 113
.
Department of Control Engineering, University of Sheffield
Abstract
Partial differential equations with necessary boundary conditions are derived for the large and small signal behaviour of compositions in an ideal distillation column separating a binary mixture. The column considered is symmetrical in all respects (as in Edwards (1) and Guilandoust's (5) earlier analyses and computations) but now includes unequal vapour and liquid capacitances. This work involves the derivation of a completley analytical parametric (T.F.M.) in a more general form rather than the special case of equal vapor and liquid capacitances studied by Edwards. It is demobstrated how a detailed study into packed columns can be made to relate to the behaviour of tray columns.
Frequency and time simul;ations have been successfully prgrammed and have produced satisfactory and consistent results.
Multi-pass systems concepts are applied ito the time simulations and investigations of stability phenomena undertaken.
Metadata
Authors/Creators:
Nassehzadeh Tabrizi, M. H.
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