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15.13.2 Diffusion at Inlets

In some cases, you may wish to include only the convective transport of mixture fraction through the inlets of your domain. You can do this by disabling inlet mixture-fraction diffusion. By default, FLUENT includes the diffusion flux of mixture fraction at inlets. To turn off inlet diffusion, use either the define/models/species/inlet-diffusion? text command, or the Species Model panel

Define $\rightarrow$ Models $\rightarrow$ Species...

and disable the Inlet Diffusion option.

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Up: 15.13 Defining Non-Premixed Boundary
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