= Constant-skewness turbulence closure
{title2=$S_3(r)=-4S_2(r)^{3/2}/(5\beta^{3/2})$}
This <turbulence closure> assumes the <velocity increment> <skewness> is the same throughout the <equilibrium range>, with its value fixed by the <Kolmogorov two-thirds law> and <Kolmogorov four-fifths law>. It yields a simple crossover between differentiable and inertial-scale increments, but suppresses the scale dependence of <skewness> and has no independent spectral-transfer dynamics.
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