Following the generalisation of the TurbulenceModels library to support non-Newtonian laminar flow including visco-elasticity and extensible to other form of non-Newtonian behaviour the name TurbulenceModels is misleading and does not properly represent how general the OpenFOAM solvers now are. The TurbulenceModels now provides an interface to momentum transport modelling in general and the plan is to rename it MomentumTransportModels and in preparation for this the turbulenceProperties dictionary has been renamed momentumTransport to properly reflect its new more general purpose. The old turbulenceProperties name is supported for backward-compatibility.
References:
ERCOFTAC T3A 3% test-case
Savill, A. M. (1993).
Some recent progress in the turbulence modelling of by-pass transition.
Near-wall turbulent flows, 829-848.
Savill, A. M. (1996).
One-point closures applied to transition.
In Turbulence and transition modelling (pp. 233-268).
Springer Netherlands.