Som,
You can model the growth kinetics using a UDF in Fluent Ansys.
Find attached a review paper related to this subject.
Regards
Dear Dr. Mounir Bouaifi
Thank you so much for your suggestions.
I am working on "Computational Investigations of Irradiance for Photo-bioreactor for Exploration of Algal Growth". I have completed the effect of bubble formation and irradiance in 2 D flat plate Photo-bioreactor.
I started reading about UDF in Fluent Ansys. Is is feasible to understand and work in UDF for this topic with in next 3-4 months ? I am unfamiliar with UDF in Fluent Ansys as my core field is Biotechnology.
Hi Som,
It should be possible, although having some programming experience in C helps. UDFs are typically quite compact routines, and basic examples of different UDFs are well documented in the ANSYS help files; it also contains some background on C in order to make you avoid the important pitfalls, considering type declaration and termination of expressions for example. With that, basic UDFs such as a rate equation are quite straightforward to implement.
Hello Som,
You can find two UDFs for ANSYS Fluent to describe the substrate consumption and biomass production based on a Monod kinetic enclosed. The UDFs are to be used in conjunction with the species transport model where at least two species (biomass&substrate) are defined. This can also be combined with Euler-Euler multiphase models, but some modifications would be required then.
In the case of algae fermentation, I assume that you should couple the biomass growth rate to the light intensity instead of substrate concentration, but the example should give you a good idea about the general concept.
Hope this helps.
Stephan
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