scholarly journals TRACTOR ENGINE LOAD AND FUEL CONSUMPTION IN ROAD CONSTRUCTION WORKS

Transport ◽  
2010 ◽  
Vol 25 (4) ◽  
pp. 403-410 ◽  
Author(s):  
Algirdas Janulevičius ◽  
Antanas Juostas ◽  
Gediminas Pupinis
Keyword(s):  
Fuel Consumption ◽  
Engine Speed ◽  
Road Construction ◽  
Engine Load ◽  
Control Units ◽  
Study Results ◽  
Milling Equipment ◽  
Tractor Engine ◽  
Construction Works ◽  
Engine Power

Tractor load influences engine work parameters having an influence on the working economy and productivity of the complete tractor aggregate. The operational economy and productivity of the tractor is mostly evident when its engine power is utilized at least at 80% and engine speed is as low as possible. The paper analyses the engine parameters of tractor Massey Ferguson MF 8480 during the operational period of road construction works. Control tests on the parameters of the engine load of the tractor engine in combination with the employed milling equipment WS 2500 produced by the company ‘Wirtgen’ were performed. The study was carried out using engine load tables and graphs collected and stored in the so called ECU Load Profileintegrated in Electronic Engine Control Units. Theoretical analysis was made and an equation presented to establish the relation between engine power, engine speed and the quantities of cyclic fuel consumption. The study results present the distribution graphs of work time and fuel consumption at different engine speed during the operational period. The paper also indicates engine load and fuel consumption graphs of the tractor in combination with milling equipment. The article has also disclosed that the analysis of engine speed and load modes using information obtained from tractor‐integrated digital microprocessors reveals the operation quality of the tractor.

scholarly journals  Effect of rapeseed methyl ester on fuel consumption and engine power

2012 ◽  
Vol 58 (No. 2) ◽  
pp. 37-45
Author(s):  
M. Pexa ◽  
K. Kubín
Keyword(s):  
Methyl Ester ◽  
Fuel Consumption ◽  
Engine Speed ◽  
Calorific Value ◽  
Diesel Oil ◽  
Specific Fuel Consumption ◽  
Flow Meter ◽  
Rapeseed Methyl Ester ◽  
Tractor Engine ◽  
Engine Power

This paper describes the effect of a mixture of rapeseed methyl ester and diesel oil on fuel consumption and power parameters of tractor engine. The hydraulic dynamometer was used to load the engine of Zetor Forterra 8641 tractor over rear power take-off. The measured tractor is almost new with less than 100 h worked. The measurements were realized for several ratios of diesel oil and rapeseed methyl ester (from pure diesel to pure rapeseed methyl ester). The engine was loaded by the dynamometer in several working points which were predefined by engine speed and its torque. The fuel consumption was measured by the flow meter in each of these points. The reduction of engine’s power parameters and the increase of specific fuel consumption are expected due to the nature of rapeseed methyl ester such as e.g. lower calorific value.  

scholarly journals EVALUATING WORKING QUALITY OF TRACTORS BY THEIR HARMFUL IMPACT ON THE ENVIRONMENT/TRAKTORIŲ DARBO KOKYBĖS VERTINIMAS PAGAL JŲ ŽALINGĄ POVEIKĮ APLINKAI/ОЦЕНКА РАБОЧЕГО КАЧЕСТВА ТРАКТОРОВ ПО ИХ ВРЕДНОМУ ВЛИЯНИЮ НА ОКРУЖАЮЩУЮ СРЕДУ

2009 ◽  
Vol 17 (2) ◽  
pp. 106-113 ◽  
Author(s):  
Antanas Juostas ◽  
Algirdas Janulevičius
Keyword(s):  
Fuel Consumption ◽  
Engine Speed ◽  
Working Hours ◽  
Working Life ◽  
Point Of View ◽  
Performance Quality ◽  
High Torque ◽  
Working Quality ◽  
Engine Power

The paper presents tractor working data and their engine conditions from economical and ecological point of view. Overlooked results presented in literature have a straight relation with reduction of tractor fuel consumption and unfriendly impact on the environment. The results of measurements show that for investigation of tractor performance quality during its working life, information collected in its microprocessors can be used. Investigation results of engine speed and torque aspects of different Deutz Fahr Agrotron tractor models with different working output are presented in the paper. Investigation results show that a tractor on average worked from 37% to 52% of the total working hours at a high torque (>50% Mmax ) and at medium (1000–2000 rpm) and high (>2000 rpm) engine speed. The investigation results show that almost half of tractor working time is unreasonable. The paper presents big improvement possibilities for tractor operating technologies by using a wider range of engine power, decreasing fuel consumption and unfriendly impact on the environment. Santrauka Tirta traktorių degalų sąnaudų ir žalingo poveikio aplinkai mažinimo galimybės. Matavimų rezultatais pagrindžiama, kad traktorių darbo kokybei per eksploatavimo laikotarpį tirti galima naudoti jų mikroprocesoriuose sukauptą informaciją. Pateikiami įvairių modelių ir įvairaus išdirbio Deutz Fahr Agrotron traktorių darbo kokybės (variklio sūkių dažnio ir apkrovos aspektais) per eksploatavimo laikotarpį tyrimų rezultatai. Nustatyta, kad didele apkrova (>50 % Mmax) vidutiniais (1000–2000 min–1) ir dideliais (>2000 min–1) variklio sūkiais traktoriai vidutiniškai dirba 37–52 % eksploatacijos laikotarpio, ir apie pusę eksploatacijos trukmės traktorių darbas neracionalus. Daroma išvada, kad visą traktorių eksploatavimo laiką galima tobulinti technologijas, parenkant tinkamesnius variklių darbo režimus, mažinti degalų sąnaudas ir žalingą poveikį aplinkai. Резюме Целью исследований было уменьшение потребления горючего в тракторных двигателях и их вредного влияния на окружающую среду. Проанализированы качественные характеристики (обороты и нагрузка двигателя ) разных моделей тракторов фирмы Deutz Fahr Agrotron, с разной наработкой моточасов за весь период эксплуатации. Исследованиями выявлено, что время работы тракторов с большой нагрузкой (>50% Mmax) при средних (1000– 2000 мин–1) и больших (>2000 мин–1) оборотах двигателя составляет 37–52% всего периода эксплуатации. Около половины всего времени в период эксплуатации тракторы работают нерационально. Делается вывод, что в период эксплуатации тракторов существует возможность совершенствовать технологии, шире применять лучшие режимы работы двигателей, снижать потребление горючего и вредное влияние на окружающую среду.

scholarly journals INVESTIGATION OF TRACTOR ENGINE POWER AND ECONOMICAL WORKING CONDITIONS UTILIZATION DURING TRANSPORT OPERATION

Transport ◽  
2008 ◽  
Vol 23 (1) ◽  
pp. 37-43 ◽  
Author(s):  
Antanas Juostas ◽  
Algirdas Janulevičius
Keyword(s):  
Working Conditions ◽  
Driving Force ◽  
Engine Speed ◽  
Traction Force ◽  
Rolling Resistance ◽  
Point Of View ◽  
Utilization Coefficient ◽  
Driving Speed ◽  
Tractor Engine ◽  
Engine Power

Article analyzes tractor working and its engine conditions from economical point of view. Overview of tractor wheel slippage reliance on the traction force and weight utilization coefficient is given. Tractor maximum driving force according to road and field conditions, and driving speed are submitted. Literature and theoretical investigation analysis is done, where interaction between tractor wheels made‐up driving force and grip is analysed. Driving speed and driving force dependence on rolling resistance and total aggregate weight using nominal power is described. In the present experimental research reduction in fuel consumption of tractor transport aggregate by reducing engine speed and by keeping the same work speed, was determined.

scholarly journals Energetic efficiency of an agricultural tractor in function of tire inflation pressure

2013 ◽  
Vol 33 (4) ◽  
pp. 758-763 ◽  
Author(s):  
Leonardo de A. Monteiro ◽  
Daniel Albiero ◽  
Kleber P. Lanças ◽  
André V. Bueno ◽  
Fabricio C. Masiero
Keyword(s):  
Engine Speed ◽  
Front Wheel ◽  
Operational Performance ◽  
Energetic Efficiency ◽  
Inflation Pressure ◽  
Tire Pressure ◽  
Displacement Speed ◽  
Agricultural Tractor ◽  
Tractor Engine ◽  
Engine Power

The tire inflation pressure, among other factors, determines the efficiency in which a tractor can exert traction. It was studied the effect of using two tire inflation pressures, 110.4 kPa in the front and rear wheels, 124.2 kPa in the front wheel and 138 kPa in the rear wheels, the energetic efficiency of an agricultural tractor of 147 kW of engine power, in the displacement speed of 6.0 km.h-1, on track with firm surface, with the tractor engine speed of 2000 rpm. For each condition of the tire pressure, the tested tractor was subjected to constant forces in the drawbar of 45 kN and 50 kN, covering 30 meters. It was used a randomized complete block with a 2x2 factorial arrangement (tire pressure and drawbar power) with four replications, totaling 16 experimental units. Data were subjected to analysis of variance, using the Tukey test at 5% probability for comparison averages. The lowest hourly and specific fuel consumption, the lowest slippage of the wheelsets and the highest efficiency in the drawbar was obtained with the tire inflation pressure of 110.4 kPa in the front and rear tires of the tractor, highlighting that lower pressures improve energetic and operational performance of the tractor.

scholarly journals TRACTOR’S ENGINE EFFICIENCY AND EXHAUST EMISSIONS’ RESEARCH IN DRILLING WORK

2014 ◽  
Vol 22 (2) ◽  
pp. 141-150 ◽  
Author(s):  
Antanas Juostas ◽  
Algirdas Janulevičius
Keyword(s):  
Fuel Consumption ◽  
Engine Speed ◽  
Fuel Injection ◽  
Exhaust Emissions ◽  
Gear Ratio ◽  
Operating Conditions ◽  
Process Time ◽  
Exhaust Emission ◽  
Drilling Process ◽  
Engine Load

Tis paper provides an overview of possibilities for determining tractor’s engine load, fuel consumption and exhaust emissions in real operating conditions. Theuse of accumulated database in tractor’s electronic control modules for the analysis of engine load, fuel consumption and exhaust emissions is analysed. The methodology for analysis of engine power, speed and exhaust emissions’ dependencies, also for analysis of engine exhaust emissions is presented. Tis paper presents testing results of the unit combined of tractor “Massey Ferguson MF 6499” and drilling machine “Vaderstad Rapid” by engine load, fuel consumption and exhaust emissions. Drilling process time, engine load, fuel consumption and exhaust emission components’ distribution are presented in different engine speed and cyclic fuel injection modes. Test results are analysed separately for technological drilling and work processes at the headland. In the technological process of drilling, if the tractor engine speed and, correspondingly, the transmission gear ratio were reduced to get the set working speed, fuel consumption decreased, CO and CO2 emissions varied slightly, but the NOx increased significantly. Significant part of exhaust emissions occurred at headlands. The conclusion is that the fuel consumption and exhaust emissions, including harmful components, can be reduced only by complex optimization of technological processes and tractor operating modes.

scholarly journals The Effect of EHR System Setting on Fuel Consumption and Tractor Engine Speed Variation

2015 ◽  
Vol 63 (1) ◽  
pp. 123-129
Author(s):  
Dušan Slimařík ◽  
František Bauer ◽  
Petr Dostál
Keyword(s):  
Fuel Consumption ◽  
Field Measurement ◽  
Engine Speed ◽  
Global Scale ◽  
Speed Variation ◽  
Fuel Consumption Reduction ◽  
Consumption Reduction ◽  
Agricultural Applications ◽  
Deep Plowing ◽  
Tractor Engine

The work is aimed on possibilities of fuel consumption reduction via EHR system setting with the influence on tractor engine speed variation. During tractor utilization in agricultural applications fuel consumption is measured and evaluated. The main objective of this text is fuel consumption reduction verification. Firstly, article describes tractor engine parameters acquirement. Complete engine characteristic is obtained from laboratory experiments. This was essential step for lowest fuel consumption area detecting. Next, the principle of EHR system function is clarified. Then connection between complete engine characteristic and EHR system setting interaction is mentioned and the aim of field measurement is set. Another part is devoted to field measurement conditions and EHR system setting. This part is essential for the possibility of field measurement re-examination. Deep plowing with John Deere 6920S and Lemken Vari Diamant 10 was realized. The EHR various settings were examined and their effect on tractor engine speed variation was observed. The results show possibility of fuel consumption reduction. The properly chosen aggregation of tractor power and plough type with correct electro-hydraulic system setting brings fuel consumption reduction. This conclusion may be used for fuel savings in global scale for better economic utilization of tractor.

scholarly journals Effect of Cassava Biogasoline on Fuel Consumption and CO Exhaust Emissions

2019 ◽  
Vol 2 (3) ◽  
pp. 97-103 ◽  
Author(s):  
Mujahid Wahyu ◽  
Hadi Rahmat ◽  
Gabriel Jeremy Gotama
Keyword(s):  
Fuel Consumption ◽  
Engine Speed ◽  
Fuel Injection ◽  
Urban Traffic ◽  
Exhaust Gas ◽  
Air Conditioner ◽  
Traffic Condition ◽  
Engine Load ◽  
Traffic Conditions ◽  
Speed Range

Cassava biogasoline was tested on electronic fuel injection vehicles in urban traffic conditions with varying engine load. Biogasoline tested includes B0, B10, B20, and B30. The engine speed was operated within 750 to 1800 rpm (low-speed range) to simulate urban traffic condition. The engine load was varied through the operation of air conditioner (AC). Fuel consumption was measured in real terms (ml/s) and CO emissions were measured with the Hesbon HG 520 Engine Gas Analyzer (EGA) in the percentage of total exhaust gas. The results showed that B10 has the lowest fuel consumption of 0.24 ml/s in conditions without AC and 0.41 ml/s with AC. Meanwhile, CO emissions tend to be constant with change in the proportion of cassava biogasoline and increased with additional AC load.

Engine Performance Characteristics Under Controlled Engine Temperature With Variable Operating Parameters

2011 ◽  
Author(s):  
R. K. Mandloi ◽  
A. Rehman
Keyword(s):  
Fuel Consumption ◽  
Engine Speed ◽  
Engine Performance ◽  
Specific Fuel Consumption ◽  
Exhaust Emission ◽  
Full Potential ◽  
Emission Standard ◽  
Engine Load ◽  
Gasoline Engines ◽  
Brake Power

In the present scenario, the designs of S I engine being used in automotives by various manufacturers are not properly suitable to Indian climate condition. India is among those tropical countries where the variation in the temperature is having very vast range i.e. from 0°C to 50°C in various regions of the country. Looking in to this vast varying temperature range, it is very difficult to say that which temperature is most suited for operating condition of engines and will give the best performance levels as far as SFC & BP is concerned. In this work, it has been tried to investigate the best option to run the SI engine and simultaneously to maintain the emission norms. Today research and development in the field of gasoline engines have to face double challenge; on one hand, fuel consumption has to be reduced, while on the other hand, even more stringent emission standard have to be fulfilled. The development of engines with its complexity of in-cylinder process requires modern developed tools to exploit the full potential in order to reduce fuel consumption. There are many strategies for improving fuel economy and reducing exhaust emission HC & CO. The experimental study is carried out on a three cylinders, four stroke, petrol, carbureted, water cooled engine test rig connected to eddy current type dynamometer. The objective of this work was to examine engine performance parameter i.e. specific fuel consumption (SFC), brake power (BP) and also exhaust emission on Varying Engine Temperature at 50, 60, 70, 80° C and at an engine speed of 1500, 2000, 2500 rpm with respect to engine load 6, 9, 12 kg. The results are shown by various graphs with effect of engine temperature on specific fuel consumption, brake power, engine speed, engine load and emission levels of Nox, HC, CO for gasoline and LPG to improve fuel consumption.

Thermal management of an internal combustion engine focused on vehicle performance maximization: A numerical assessment

2020 ◽  
pp. 095440702098282
Author(s):  
Fabrício Thomaz ◽  
Augusto César Teixeira Malaquias ◽  
Glauber Assunção Resende de Paula ◽  
José Guilherme Coelho Baêta
Keyword(s):  
Fuel Consumption ◽  
Thermal Management ◽  
Engine Speed ◽  
Aerodynamic Drag ◽  
Cooling System ◽  
Combustion Engine ◽  
Ambient Conditions ◽  
Positive Effects ◽  
Management Procedures ◽  
Engine Power

In extreme ambient conditions, engine temperature and air charge temperature (ACT) can be so high that they compromise the vehicular performance. To preserve the structural engine reliability, it is necessary to reduce the load through an increase in the engine speed to maintain the power output, which minimizes fuel conversion efficiency degradation. However, high engine speeds also lead to enhanced friction losses and combustion frequency, which reduces the engine thermal efficiency. Therefore, this work seeks to numerically study the best thermal management strategy to minimize performance losses arising from an engine power derate strategy, while also optimizing the design of a cooling system to withstand extreme engine stress conditions, characteristics of the Davis Dam tests. Different radiator lengths and fan power were numerically simulated to conclude about the most influential parameter on fuel consumption in the FTP-75 + HWFET cycle. The results showed positive effects from the engine power derate strategy, and the engine speed control was able to mitigate up to 23% derate by cooling temperature. There was a 0.8% increase in fuel consumption for every 2.5% aerodynamic drag coefficient increase, which reinforces the need to perform robust thermal management procedures instead of oversizing a vehicular cooling system for high-load operation.

scholarly journals Studying the Effect of Balancer on Engine Vibration of Massey Ferguson 285 Tractor

2021 ◽  
Vol 24 (1) ◽  
pp. 14-19
Author(s):  
Niusha Farrokhi Zanganeh ◽  
Gholamhossein Shahgholi ◽  
Soleiman Agh
Keyword(s):  
Rotational Speed ◽  
Engine Speed ◽  
Mechanical Vibration ◽  
Health Issues ◽  
Engine Load ◽  
Engine Vibration ◽  
Cord Injury ◽  
Load Variable ◽  
Tractor Engine ◽  
Increasing Load

AbstractThe mechanical vibration causes health issues to drivers, such as backache, spinal cord injury, etc. In this regard, a tractor engine plays important role. Tractors without chassis are equipped with a balancer unit reducing the secondary engine vibrating force and decreasing the engine and tractor vibration. The paper presented investigates the effects of balancer on secondary vibration. In this research, the root mean square (RMS) of vibration was computed for specific periods of engine work. Effects of rotational speed and engine load on engine vibration in two modes with and without balancer were investigated. The results showed that, at full engine load, increasing the engine speed resulted in increasing the vibration in both observed modes. Balancer utilization reduced the vibration by 22.3% on average. At fixed rotational speed, increasing load caused an increase in vibration in both observed modes. At 1400 rpm rotational speed and 125 Nm torque, balancer utilization managed to reduce the RMS of secondary vibration by 38.9%. Furthermore, at 250 Nm, RMS vibrations were reduced by 21.3% in comparison to no balancer mode. At full load, variable rotational speed, the balancer significantly reduced vibration by 29% on average. The balancer proved to be more efficient at lower torques.

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