نتایج جستجو برای: tractor agricultural

تعداد نتایج: 103546  

2001
A. Munack O. Schröder J. Krahl J. Bünger

Fossil diesel fuel and rape seed oil methylester are compared with regard to exhaust gas emissions and effects of these emissions on human health and the environment. Tests were carried out using an agricultural tractor and a test engine. The aspects treated are: use of blends, particle sizes, mutagenic potency of the particulate matter, and ozone precursors. Whereas slight disadvantages of bio...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2015
William J Parton Myron P Gutmann Emily R Merchant Melannie D Hartman Paul R Adler Frederick M McNeal Susan M Lutz

The Great Plains region of the United States is an agricultural production center for the global market and, as such, an important source of greenhouse gas (GHG) emissions. This article uses historical agricultural census data and ecosystem models to estimate the magnitude of annual GHG fluxes from all agricultural sources (e.g., cropping, livestock raising, irrigation, fertilizer production, t...

Journal: :Global Journal of Engineering and Technology Advances 2023

Suspension systems play a vital role in providing comfortable and safe vehicle ride. This paper aims to improve the passenger ride comfort, stability, safety, road holding an active quarter tractor model. main objective is obtain stable, robust, controlled system. It necessary use controller increase stability performance of selection design aimed achieve good comfort health, body acceleration ...

Journal: :EPRA international journal of multidisciplinary research 2022

This paper is the analysis of 25 research papers combined on topic Agriculture. The aims to showcase how Operations in agriculture and various other factors play a key role development Agricultural Industry KEYWORDS:Agriculture, artificial intelligence, electric tractor, forestry, multi-robot, operational costs, ploughing, agricultural exports, vehicle

Journal: :E3S web of conferences 2023

The main reason for the emergence of operational characteristics tractor diesel engines is uneven fuel consumption. Fuel equipment one most responsible systems engines. purpose study was to improve efficiency an agricultural engine by using injector sprayer. Modernization needle atomizer carried out directing its guiding surface helical groove at angle α, advancing direction axisymmetric pressu...

2014
Brazil

The improvement and reliability of the agricultural machines provided a revolution in the human activities facilitating the production of commodities of agribusiness. Though, the efficiency of the tractor, well as the occurrence of accidents also depends on the level of fatigue to which the operator is submitted. Between the ergonomic factors that affect the operator machine, noise and vibratio...

2014
Jaime Gómez Gil Francisco Javier Gomez-Gil Rebeca Martin-de-Leon

Farmers experience whole-body vibrations when they drive tractors. Among the various factors that influence the vibrations to which the driver is exposed are terrain roughness, tractor speed, tire type and pressure, rear axle width, and tractor seat height above the ground. In this paper the influence of tractor seat height above the ground on the lateral vibrations to which the tractor driver ...

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