Studies on the internal drum test bench at the Universität Karlsruhe (TH) under constant and controllable conditions determine performance of transmittable side force coefficients on snow tracks. Performance is higher, when tire is low loaded under high inflation pressure and driving at low ambient temperatures. Hypothesis show that the mechanical potential of force transmission depends on shear resistance of snow. If tread pattern design supports interlocking and enclosure of snow, force performance of tire increases. Analysis of heat transfer at contact zone show that force transmission close to 0 deg C is reduced, when friction heat generates a liquid layer of melted snow.
Influencing factors on force transmission of tires on snow tracks
2007
16 Seiten, 18 Bilder, 3 Tabellen, 9 Quellen
Conference paper
English
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