I want to define a CO + H2 mixture fuel for a combustor. How can I define this in ansys fluent mixture template ? Normal database does not include this mixture . eg. if I want to define a mixture of 20% CO and 80% H2 how do I proceed without using a UDF ?
You can do it by choosing an appropriate chemical transformation model. Just search for the combustion simulation video on YouTube. There are several methods, depend on what process you are studying. And of course, no UDF is needed.
You need to choose an appropriate reaction mechanism which contains both CO and H2. Fluent does offer the 4-step Jones-Lindstedt mechanism, if I recall correctly. Alternatively, use one of the model choices you can find under "non-premixed combustion"... if you have a non-premixed combustion process.
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