Mechanical Hybrid KERS Based on Toroidal Traction Drives: An Example of Smart Tribological Design to Improve Terrestrial Vehicle Performance

Table 1

Fluid properties at 𝑇=99^∘C.

Absolute viscosity at the atmospheric pressure	𝜂0=3.25×10^−3 Pa s
Viscosity-pressure index	𝑍1=0.85
Pressure-viscosity coefficient	𝜁=1.71×10^−8 Pa−1
Limiting shear stress at atmospheric pressure	𝜏𝐿0=0.02×10^9 Pa
Limiting shear stress constant	𝑎=0.085
Pole pressure constant of Roelands viscosity model	𝑐𝑝=1.96×10^8 Pa
Pole viscosity of Roelands viscosity model	𝜂∞=6.31×10^−5 Pa s