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> Airfoil
> Airfoil
An airfoil is an infinite-span wing.
> Effects of the Reynolds Number
> Effects of the Reynolds Number
Re affects all kind of characteristics.
Lower Re leads to thicker boundary layer
 Therefore, as Re goes down, the shape matters less.
https://www.researchgate.net/publication/311166685_A_review_on_studies_of_the_aerodynamics_of_different_types_of_maneuvers_in_dragonflies
for example, the dragonfly airfoil is corrugated, but the airflow seems insensitive.
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