i need to design a non-standard CSTR reactor that operates on a particular set of governing equations. Where can I enter those governing equations so that I could simulate the reaction .
Good question. I think the best way is to write the programming code yourself in numerical simulation software like MATLAB. However, Aspen is worked with Fortran and probably you can write your governing equation in Fortran and then link that to Aspen, but I am not sure that is possible for R-CSTR or not.
Please specify in what is your set of reactions non-standard? Reactions with different type of kinetics can be defined in “Reactions” page and then added to your CSTR model. If “Reactions” tool doesn’t enable to define your reactions set, use a “user model”. By using the “user model” you can solve the kinetics of your reactions in an EXCEL sheet and link it to your Aspen simulation model. For this propose there is a template EXCEL file in your ASPEN folder (see helps). If your Kinetic model is to complicate to be solved in Excel you should use ASPEN costume modeller, which require knowledge of Fortran.
Aspen Custom Modeller is a good way to go about this. All you need to have is knowledge of visual basic coding. You can import your model into Aspenplus or Hysys for use afterwards.
Good luck.
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