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Transition prediction and validation of flat plate using fluent transition SST model

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Old   June 19, 2020, 10:02
Default Transition prediction and validation of flat plate using fluent transition SST model
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Dear all,

I have a question about the validation of flat plate transition as I need to replicate some references.

1. What is the exact turbulence of Schubauer-Klebanof's experiment?
As the attached file menter2006, turbulence is 0.18% but in menter2015, it is 0.03%. I have checked the original experiment, I can only find 0.03%.

2. Why can't I replicate the skin friction coefficient result of Schubauer-Klebanof's experiment by using fluent and transition SST model (gamma-theta model)?
As I followed the latest paper menter2015, I set the turbulence to 0.03%, but the result shows the transition point is near x=1.15m, not same as both S&K's experiment and menter2015's result, where the transitional point is near x=0.8m. When I changed to transition kkl omega, it becomes right. Why can't I get that result by using transition SST model?

I am a student and new in this area, and really hope someone could help me, thank you so much.

Sincerely
Attached Images
File Type: jpg menter2006.jpg (56.6 KB, 5 views)
File Type: jpg menter2015.jpg (36.1 KB, 5 views)
File Type: jpg menter2015 result.jpg (21.5 KB, 6 views)
File Type: jpg present result.jpg (36.7 KB, 4 views)
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Old   June 19, 2020, 10:32
Default Contributions on the mechanics of boundary-layer transition
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Old   June 20, 2020, 05:08
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Quote:
Originally Posted by vinerm View Post
Hi

Thank you.

I have checked before but can only find 0.03% turbulence, but many papers used 0.18% and even menter2006 has ever used 0.18%. This is very important to me as I can not replicate S&K by setting 0.03% and using transition SST model.
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