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Visualisation of Laminar Seperation Bubble Over an airfoil

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Old   April 5, 2016, 12:54
Default Visualisation of Laminar Seperation Bubble Over an airfoil
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Hi all,

I'm trying to visualize the laminar separation bubble formed over thicker airfoils at low Reynolds number and see how this affects the overall performance of the airfoil using Fluent. I used Gambit to mesh the airfoil and ran it on Fluent.

However, I'm going terribly wrong somewhere and I'm doubting my initial assumptions.

I would like to know:

*If the problem can be solved on a laminar based model. Given that the bubble denotes a transition region and the region after reattaching(if it happens), is turbulent.

*If laminar model can not be used, which other model is best shot at a decent solution? I've gone through a few papers on the same which did nothing more than add to my confusion. I would really appreciate it if someone explains these different models and what they are suited for.

*If i ever will get a decent solution from Fluent?

*What kind of mesh in general is best suited for the same?

Spare me if my queries sound timid, I'm a complete newbie to all this!
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Old   April 2, 2017, 04:10
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Hi abijithap,

Have you succeeded to visualize separation bubble? I am not able to do so. If you have already done please can you suggest me the parameters.

Thanks in advance...

regards
Subhankar
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