Strouhal number Calculator

The Strouhal number () is a dimensionless quantity used to characterize unsteady fluid flows, particularly in the context of vortex shedding behind bluff bodies. It relates the frequency of oscillation of a fluid flow to the velocity and characteristic length scale of the flow. The Strouhal number relates the frequency of vortex shedding or oscillation in a fluid flow to the velocity and characteristic length scale of the flow.

Where,

  • is the Strouhal number,
  • is the frequency of oscillation of the fluid flow,
  • is a characteristic length scale of the flow,
  • is the velocity of the fluid flow.

 

 

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