Monday, 18 July 2016

aerodynamics - Why does the air flow faster over the top of an airfoil?


I understand the common explanation of lift, which describes the airflow over the top of the wing as moving faster than the air below the wing. However, I don't quite understand why the air moves faster.



I've read some explanations citing a circulation effect among others, but haven't found a good, clear explanation for the exact cause. Can someone help me out?




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