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Search: Posts Made By: Baden
Forum: FLUENT July 28, 2016, 12:21
Replies: 12
Views: 2,318
Posted By Baden
I understand that the residuals should oscillate...

I understand that the residuals should oscillate like they do with a time step of 0.01 seconds, but first image of residuals I posted was from a single time step. I don't think that the residuals...
Forum: FLUENT July 28, 2016, 11:10
Replies: 12
Views: 2,318
Posted By Baden
Alright, thank you for your help. When I run...

Alright, thank you for your help.

When I run the simulation with the unsimplified model (porous zone, acid sink, UDFs, etc), I get the following residuals for 1 time step of 0.1 seconds:
...
Forum: FLUENT July 27, 2016, 10:40
Replies: 12
Views: 2,318
Posted By Baden
The molecular diffusivity of HCl was determined...

The molecular diffusivity of HCl was determined experimentally to be 3.6e-9 m^2/s. I am applying this number using the "constant dilute approximation" method.

As for the initial values viscous...
Forum: FLUENT July 26, 2016, 17:51
Replies: 12
Views: 2,318
Posted By Baden
Gravity is not enabled as it is considered...

Gravity is not enabled as it is considered negligible in the experiments. As for the bossinesq model, I am not sure how it relates to what I am doing. Both components of the mixture used in species...
Forum: FLUENT July 26, 2016, 17:37
Replies: 12
Views: 2,318
Posted By Baden
Thank you very much for your response. It...

Thank you very much for your response.

It appears that you are correct guessing that the velocity is too small, which now seems obvious. By increasing the velocity by a magnitude of 1000, I was...
Forum: FLUENT July 26, 2016, 15:37
Replies: 12
Views: 2,318
Posted By Baden
Species Disappearing

Hello all.

I am a college student attempting to simulate the flow of acid through a 3D porous rock sample. However, for the sake of simplicity, I will only be modeling species transport through a...
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