Investigation in tractor CLAAS ARES 557ATX operating parameters using hydrotreated vegetable oil fuel
2014
Sondors, K., Latvia Univ. of Agriculture, Jelgava (Latvia) | Birkavs, A., Latvia Univ. of Agriculture, Jelgava (Latvia) | Dukulis, I., Latvia Univ. of Agriculture, Jelgava (Latvia) | Pirs, V., Latvia Univ. of Agriculture, Jelgava (Latvia) | Jesko, Z., Latvia Univ. of Agriculture, Jelgava (Latvia)
Hydrotreating of vegetable oils, animal fats, waste cooking oils and algae is an alternative process to etherification for producing bio-based diesel fuels. Hydrotreated vegetable oil (HVO) belongs to the second generation BTL (biomass-to-liquid) biofuels group. Investigation of tractor CLAAS ARES 557ATX was carried out determining the engine power, torque, fuel consumption and exhaust gas content running the engine on two different fuels – hydrotreated vegetable oil and fossil diesel fuel. Power take-off dynamometer MAHA ZW-500, AVL KMA MOBILE fuel consumption meter, and AVL SESAM FTIR multi-component exhaust gas measurement system were used during these experiments. It was established that the average effective power and torque reduction using HVO fuel was about 5.0 % in comparison with fossil diesel fuel. The hourly fuel consumption using HVO was by about 1 % lower comparing to diesel fuel, but the increase of specific fuel consumption was in average by 4.1 % higher. Running the tractor on HVO the average reduction of NOx in comparison with fossil diesel was 11.8 %. Decrease of total unburned hydrocarbons, CO and CO2 was accordingly 26.4, 14.5 and 5.2 %.
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