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Heat transfer with Reaction ( Unknown function error)
Posted 2014年3月31日 GMT-4 06:38 Chemical Reaction Engineering Version 4.3b 0 Replies
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I am trying to simulate a catalyst pellet for a highly exothermic reaction. I defined all the global parameters and in the physics, I selected coefficient form PDE for energy balance and transport of diluted species for species balance. I have 2 reactants and 41 products (total of 43 species). The effective diffusivities are a function of temperature and I am using mod1.Tp [here Tp is the particle temperature] to calculate the values. The reaction rates are a function of partial pressures and these are calculated by using mod1.conc of the respective species. When I try to run the study I get the following error.
"The following feature has encountered a problem:
unknown function or operator:
name: Ln
feature: stationary solver1(sol1/s1)
error: unknown function or operator"
Any help will be deeply appreciated .
Hello Arvind Nanduri
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