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Reynold's number and boundary layer separation

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Old   February 3, 2019, 18:14
Question Reynold's number and boundary layer separation
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Alan
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Reynold's number describes the ratio of inertial forces to viscious forces. This means greater viscosity means less Reynold's number, which means more laminar flow.
But then in a boudary layer of an airfoil, the airflow is turbulent(high Reynold's number) yet very viscious so how does this work? What am I missing? Thanks in advance.
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