- Freeman three-axial ellipsoid
- трёхосный эллипсоид Фримана
English-russian dictionary of physics. 2013.
English-russian dictionary of physics. 2013.
Perrin friction factors — In hydrodynamics, the Perrin friction factors are multiplicative adjustments to the translational and rotational friction of a rigid spheroid, relative to the corresponding frictions in spheres of the same volume. These friction factors were… … Wikipedia