Longitudinal velocity difference moments in shear turbulence exhibit scaling exponent saturation at ζ_n ≈ 2.2 ± 0.1 for n ≳ 12, providing first experimental support for vortex filament dominance at high orders.
Lumley, Interpretation of time spectra measured in high-intensity shear flows, The Physics of Fluids8, 1056 (1965)
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Experimental Evidence for Longitudinal Scaling Exponent Saturation in Shear Turbulence
Longitudinal velocity difference moments in shear turbulence exhibit scaling exponent saturation at ζ_n ≈ 2.2 ± 0.1 for n ≳ 12, providing first experimental support for vortex filament dominance at high orders.