code: def diam_kolmogorov(EnergyDis, Temp, ConcAl, ConcClay, coag, material,
                      DIM_FRACTAL):
      
      return (material.Diameter
              * ((eta_kolmogorov(EnergyDis, Temp).magnitude / material.Diameter)
                 * ((6 * frac_vol_floc_initial(ConcAl, ConcClay, coag, material))
                    / np.pi
                    )**(1/3)
                 )**(3 / DIM_FRACTAL)
              )
docs: Return the size of the floc with separation distances equal to
      the Kolmogorov length and the inner viscous length scale.