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Von Kármán Vortex Shedding Frequency & Strouhal Number Calculator

Easily calculate and compute von kármán vortex shedding frequency & strouhal number calculator with accurate equations, live formulas, and expert guidance.

Approach wind or water velocity.

Cylinder diameter, cable thickness, or chimney width.

Subcritical cylinder St ≈ 0.20 to 0.22.

Calculated Result
9.6 Hz

Shedding Frequency

Shedding Frequency

9.6 Hz

Vortex Shedding Frequency Hz

9.6

Shedding Period Seconds

0.104

Vortex Induced Vibration Warning

VIV RESONANCE ALERT: Ensure structural natural frequency does not match f_s to avoid vortex-induced resonance disaster (Tacoma Narrows effect)

9.6 — Hz

Calculation Breakdown

  1. Applied FormulaCalculates the periodic alternating vortex shedding frequency (Von Kármán street) behind blunt bodies to assess vortex-induced vibrations (VIV) on cables, risers, and towers.f_s = \frac{\text{St} \cdot U}{D}

Vortex Shedding Frequency Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.02.44.87.29.6Shedding Frequency

What Is the Von Kármán Vortex Shedding Frequency & Strouhal Number Calculator?

This tool computes von kármán vortex shedding frequency & strouhal number calculator with high precision arithmetic.

How Does the Von Kármán Vortex Shedding Frequency & Strouhal Number Calculator Work?

Calculates the periodic alternating vortex shedding frequency (Von Kármán street) behind blunt bodies to assess vortex-induced vibrations (VIV) on cables, risers, and towers.

Von Kármán Vortex Shedding Frequency & Strouhal Number Calculator Formula & Variables

The core mathematical equation utilized by this calculator is expressed as:

fs=St⋅UDf_s = \frac{\text{St} \cdot U}{D}

Calculates the periodic alternating vortex shedding frequency (Von Kármán street) behind blunt bodies to assess vortex-induced vibrations (VIV) on cables, risers, and towers.

How to Use the Von Kármán Vortex Shedding Frequency & Strouhal Number Calculator

  1. Enter your parameters into the designated input fields to calculate the result immediately.

Step-by-Step Example Calculation

Von Kármán Vortex Shedding Frequency & Strouhal Number Calculator Example

Input Values:

flowVelocityMPerSec:12
cylinderDiameterMeters:0.25
strouhalNumberSt:0.2
Worked Steps: Sample evaluation based on standard reference conditions.

Understanding Your Result

The calculated primary figure indicates the optimal or required Hz.

Factors That Affect the Result

  • Measurement tolerances, operational variance, and real-world conditions.

When Should You Use This Calculator?

  • Everyday budgeting, technical homework, professional estimation, and household projects.

Assumptions & Limitations

  • Assumes standard atmospheric or environmental parameters unless specified.

Frequently Asked Questions

Calculation Accuracy & Reference Note

Double-precision IEEE 754 arithmetic with validated empirical constants.

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