5. Glossary

Silica; silica

Silica is the natural form of silicon dioxide (SiO ₂ ), a constituent of many minerals.

Résistance au roulement (rolling resistance)

Rolling resistance is defined as the energy lost per unit distance traveled by the tire.

Elastomer; elastomer

An elastomer is a polymer with "elastic" properties, obtained after cross-linking. It can withstand very large deformations before breaking.

Viscoelasticity; viscoelasticity

Viscoelasticity is the property of a material to dissipate energy in the form of heat when it undergoes deformation.

LCV (Lower Heating Value)

The net calorific value is a property of fuels. It is...