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Do you love multi element wings? Maybe you can educate me?

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Old   September 1, 2016, 15:02
Question Do you love multi element wings? Maybe you can educate me?
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Michael Brooker
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Hi,

In my free time currently for fun I'm trying to improve the lift and drag characteristics of a multi element wing configuration. My aims have been to eliminate flow separation (which I have currently just achieved there abouts) but also improve the coefficient of lift. Due to the fact I'm doing this on my home computer and that I'm limited to the student version of workbench I have been simulating it in 2D. I began with a published formula student reports multi element wing although it has changed a lot since then due to the large flow separation that it had.

My question to anyone who fancies educating me or giving me ideas is how should I go about improving it further. It feels to me like I have reached a point where any further things I add would result in too large a pressure gradient and cause flow separation. The only thought that does cross my mind is to essentially split a current element into more elements in the aim to push a higher angle of attack and increase lift with the increase of drag but without flow separation.

Any suggestions or advice are welcome. I used k omega SST with y+ less than 1. For this thread we will be assuming the CFD methodology is correct and move into the more interesting flow analysis

Thank you, have fun
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aerodynamics, formula student, motorsport, multi element, wing

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