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https://open.uns.ac.rs/handle/123456789/13228
Title: | Influence of eccentric drawbar force on power delivery efficiency of a wheeled tractor | Authors: | Simikić, Mirko Dedović, Nebojša Savin, Lazar Tomić M. Silleli H. Ponjičan, Ondrej |
Issue Date: | 1-Jan-2012 | Journal: | Turkish Journal of Agriculture and Forestry | Abstract: | Power delivery efficiency shows how much engine power is used for a tractor drawbar. Eccentric traction is a factor influencing the power delivery efficiency of a wheeled tractor. It occurs as a consequence of the offset position of a tractor implement, that is, when the traction line of the tractor and resistance line of the implement are parallel and do not coincide. This paper presents research on the power delivery efficiency of wheeled tractors and its dependence on wheel slippage of central and eccentric drawbar forces on unplowed and plowed stubble. For this purpose, mathematical models and one algorithm were developed. The best power delivery efficiency of the tractor on both unplowed and plowed stubble surfaces was obtained with central drawbar force. Power delivery efficiency of the tractor on unplowed stubble decreased by 5.72% if eccentricity increased up to 0.16 m and by 12.33% if eccentricity increased up to 0.32 m. Power delivery efficiency of the tractor on plowed stubble decreased by 8.88% if eccentricity increased up to 0.16 m and decreased by 19.05% if eccentricity increased up to 0.32 m. © TÜBITAK. | URI: | https://open.uns.ac.rs/handle/123456789/13228 | ISSN: | 1300011X | DOI: | 10.3906/tar-1012-1616 |
Appears in Collections: | POLJF Publikacije/Publications |
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