Computing time and fuel requirements to assess efficiency of a field work from conventional laboratory tests : application to a plowing operation
2013
Burgun, C. | Lacour, Stéphanie, O.L. | Delacroix, A. | Descombes, G. | Doyen, V. | Technologies pour la sécurité et les performances des agroéquipements (UR TSAN) ; Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA) | TotalEnergies ([Total Energies. Anciennement : Total, TotalFina, TotalFinaElf])
[Departement_IRSTEA]Ecotechnologies [TR1_IRSTEA]INSPIRE
Afficher plus [+] Moins [-]anglais. The development of large-scale agricultural mechanization required to sustain food production, combined with limited conventional fuel resources, spurs on to better assess the time and energy investments required for commodities production. The proposed analysis is based on the description of field working dynamics collected on an experimental tractor during a plowing operation. The energy needs can there be characterized as having a dual alternating profile, depending on the tractor working phase within the field. As a result, two field oriented performance indicators consisting in time efficiency [h.ha-1] and area specific consumption [l.ha-1] are defined out of the profile characteristics. A model converting the draft of an implement into an engine running point is then developed to compute these indicators. The model is fitted on data collected over conventional bench tests, and is validated by an application to a plowing operation. Lastly, a sensitivity analysis on the operational parameters is conducted.
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