Kolmogorov Microscale Turbulent Cascade Calculator
CFD turbulence modeling & Direct Numerical Simulation (DNS): Calculate the smallest dissipative Kolmogorov scales ($\eta, \tau_\eta, v_\eta$), Taylor microscale ($\lambda_T$), and Taylor Reynolds number ($R_\lambda$).
Fluid Properties & Turbulent Energy
Macro-eddy size (pipe D, chord, etc.)
Dissipative Microscales & Grid Limits
Kolmogorov Length η:
--
μm (microns)
DNS Grid Spacing Δx_DNS:
--
μm (typically ≤ 2.1 η)
Time Scale τη:
--
milliseconds (ms)
Velocity Scale vη:
--
m / s
Taylor Scale λ_T:
--
mm
Turbulence Cascade Dynamics
Taylor Reynolds Number R_λ:
--
Turbulent Kinetic Energy k:
-- m²/s²
Scale Separation (L / η):
--
DNS Cell Count Estimate N_cells:
--
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