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Title : Determination of rut parameters at various levels of slip of a pneumatic drive wheel – laboratory research
Key words : surface mapping, surface area of a rut, rut volume, rut depth
Summary :

The paper presents the results of laboratory measurements on the determination of rut parameters resulting from the operation of a pneumatic drive wheel with a different slip. The experiment was performed on the test bench consisting of the researched wheel load simulator, a mobile soil tub and the rope slip control system. Ruts were made at the wheel slip s=6%, 25%, 43%, 62%, 81%, 100%, and when the wheel rolled along the ground with s close to 0%. The obtained ruts were mapped to the computer using the non-contact laser measuring station. Based on the mapping for the rut fragment, the surface area was calcu-lated in a simplified variant, as a horizontal projection of a rut on the surface area and as a real three-dimensional surface area; moreover, the rut volume was measured. It was found that using a simplified method for determination of the surface area of the rut, i.e. a rut hori-zontal projection, a significant error is committed. For studies with only rolling a wheel, a simplified surface area accounted for only 0.6 of real surface area , and for the wheel slip s=25% is was only 0.5 of actual surface area. Increase of the slip results in significant in-crease of the rut volume. With an increase of the slip s=25%, the volume of the rut increased by 1.4 in relation to the variant of s close to 0%, and when the slip was s=43%, as much as 2.2.

Please use the following format to cite the selected article : Kormanek, M. (2013). Determination of rut parameters at various levels of slip of a pneumatic drive wheel – laboratory research. Inzynieria Rolnicza, 4(148), 71-82.
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