Is NACA 0012 symmetrical?

NACA 0012 airfoil is a symmetric airfoil so the thickness distribution is sufficient for the upper and lower surface definitions.

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Is the Strouhal number dimensionless?

In dimensional analysis, the Strouhal number (St, or sometimes Sr to avoid the conflict with the Stanton number) is a dimensionless number describing oscillating flow mechanisms.

How do you read NACA numbers?

The NACA four-digit wing sections define the profile by:

First digit describing maximum camber as percentage of the chord.
Second digit describing the distance of maximum camber from the airfoil leading edge in tenths of the chord.
Last two digits describing maximum thickness of the airfoil as percent of the chord.

What is the chord length of NACA 0012?

1.0 m
NACA 0012 airfoil profile. Chord length is 1.0 m.

Is vortex shedding turbulent?

Turbulence-induced vibrations The cylinders will be subjected not only to the periodic vortex shedding induced forces but also to broad band turbulence. The latter excitation becomes relatively more important when the periodic shedding frequency is far from the structural frequency.

Why is vortex shedding important?

This phenomenon is of major importance in engineering design because the alternate formation and shedding of vortices also creates alternating forces, which occur more frequently as the velocity of the flow increases.

https://www.youtube.com/watch?v=OqHj_CSwT_4