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how to use chemkin thermo and transport properties in fluid flow and heat transfer modules?
Posted 4 feb 2015, 16:17 GMT-5 Fluid & Heat, Heat Transfer & Phase Change, Chemical Reaction Engineering, Materials Version 4.4 1 Reply
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I am simulating laminar flow premixed hydrogen combustion in a combustor with hydrogen, oxygen and steam mixture. So I choose (1)reaction Engineering (2)laminar flow and (3)heat transfer in fluid modules. In the (1)reaction Engineering module , I uploaded the CHEMKIN thermo and transport file to set up the temperature dependent specific heat capacity, entropy, enthalpy and transport properties(include viscosity). And in the (2)laminar flow , I have to set up fluid properties(density and dynamic viscosity). I can choose between 'from material' and 'user defined'. Since viscosity is already included in the CHEMKIN transport file so I want to choose 'user define'. And then how should I input in the expression for user define? it should be like the sum of (mass fraction of each species multiply the viscosity of the species). But how should I express this ? how can I call the viscosity of the species in my CHEMKIN file? The same problem for the heat transfer modules. I want to show user-defined specific heat capacity for the mixture by data in the CHEMKIN file.
Thanks for any advice.
Best.
Hello Kate
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I am also doing a similar project, where I am modelling the combustion prosess for different fuels. I would like to know how to generate the CHEMKIN file for the combustion of diesel and air?