Interim results of investigation into the variation of adhesion with speed (IM-ADH-014)

The tribometer train offers the facility of investigating the variation with speed of adhesion measured in the braking mode, at speeds up to 150 kmh-1 (90 mile/h). At present it is not possible to make adhesion measurements with the tribometer train at speeds lower than 24 kmh-1 (15 mile/h), but...