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eng.turbulence-kolmogorov-scale Calculator
Calculates Kolmogorov microscale (length, time, and velocity) from turbulent kinetic energy dissipation rate and fluid viscosity. Kolmogorov scales are the smallest turbulent eddies — below this scale, molecular viscosity dissipates kinetic energy as heat.
Inputs
Epsilon M2 S3
Amount per unit of time or per unit quantity. Check the denominator before interpreting.
Nu M2 S
Fluid resistance to flow. Water at 20°C: ~1 cP. Honey: 2,000–10,000 cP. Higher viscosity increases pumping power requirements.
U M S
Speed in a specified direction (m/s). Required for momentum, kinetic energy, and wave calculations.
L M
Linear measurement. Ensure consistent units: 1 m = 1,000 mm = 3.281 ft.
Results
Kolmogorov length scale η (μm)
The computed linear length.
Kolmogorov time scale τ_k (ms)
The computed duration or time value.
Kolmogorov velocity scale u_k (m/s)
Reference formula or conversion factor shown for context.