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Mixing by diffusion simulation in a Microfluidic system

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Old   October 13, 2016, 10:02
Default Mixing by diffusion simulation in a Microfluidic system
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Hello

As part of my B.Sc graduation project,I want to simulate mixing of inked water flowing from 3 inlets and converge into a single point.
The ink is molecular so it doesn't change the water qualities.

The flow is laminar (low Re) and the mixing is by diffusion only.

I'm new to FLUENT and I've read about Species modelling, but I don't know how to quantify to any meaning yet.

At the moment,I've simulated the flow behaviour in the system using both Laminar and k-e models and reached good results,but the diffusion between the "waters" still needs to be implemented.

Any pointers or relevant tutorials to my problem will be highly appreciated.

Gil
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Old   June 9, 2017, 16:49
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Originally Posted by Dingo View Post
Hello

As part of my B.Sc graduation project,I want to simulate mixing of inked water flowing from 3 inlets and converge into a single point.
The ink is molecular so it doesn't change the water qualities.

The flow is laminar (low Re) and the mixing is by diffusion only.

I'm new to FLUENT and I've read about Species modelling, but I don't know how to quantify to any meaning yet.

At the moment,I've simulated the flow behaviour in the system using both Laminar and k-e models and reached good results,but the diffusion between the "waters" still needs to be implemented.

Any pointers or relevant tutorials to my problem will be highly appreciated.

Gil
Hi Gil, just wanted to ask how your microfluidic simulation worked and if you got reasonable results?
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Old   June 9, 2017, 16:58
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Hi!

The results i've got are more then reasonable since I was able to compare them to experimental results.

I'm not allowd to share the work publicly,though
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