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#1 |
New Member
Ghadeer
Join Date: Feb 2019
Posts: 5
Rep Power: 8 ![]() |
Hello All,
I am trying to simulate the effect of electric field on methane-air flame. The electric field will induce movements of ions within the flame due to potential difference. Hence, I need to define a new diffusion source called (Ambipolar diffusion) which is computed as follows: ![]() I want to add this diffusion term to the energy equation since the diffused ions carry heat due (as enthalpy), but I need to compute the divergence of the ambipolar diffusion source that I defined in the UDF code. Does anyone know how? or in general an easier way to include this diffusion effect? I appreciate all the help! Last edited by Holagee; April 5, 2019 at 00:15. |
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#2 |
Senior Member
Alexander
Join Date: Apr 2013
Posts: 2,363
Rep Power: 35 ![]() ![]() |
Ansys Fluent Customization manual
look for user defined scalars best regards |
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#3 |
New Member
Ghadeer
Join Date: Feb 2019
Posts: 5
Rep Power: 8 ![]() |
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#4 |
Senior Member
Alexander
Join Date: Apr 2013
Posts: 2,363
Rep Power: 35 ![]() ![]() |
you may add heat source to cover the effect of your UDS
best regards |
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Tags |
ansys, diffusion, fluent, source energy term, udf |
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