Engine Performance and Emission Products of Pure Diesel and Multi-Feedstock Blended Biodiesel

2014 ◽  
Author(s):  
Kosgei Belion ◽  
Patrick F. Mensah ◽  
Stephen Akwaboa ◽  
Eyassu Woldesenbet ◽  
Michael Stubblefield ◽  
...  
Keyword(s):  
Diesel Engine ◽  
Internal Combustion Engines ◽  
Renewable Energy Sources ◽  
Direct Injection ◽  
Engine Performance ◽  
Combustion Products ◽  
Performance And Emission ◽  
Engine Efficiency ◽  
Petroleum Resources ◽  
Carbon Dioxide Co2

Due to the ever-reducing conventional petroleum resources, considerable research on renewable energy sources such as biodiesel as a possible “greener” substitute fuel for internal combustion engines is needed. This study aims to compare the engine performance and emission results of various blends of pure diesel and a multi-feedstock (MFS) biodiesel when used in a naturally aspirated air-cooled, single-cylinder direct injection diesel engine. The engine was coupled to a dynamometer for torque measurement and output data transmitted to a PC for post-processing and displayed using customized programs in the computer. Engine combustion products — Nitrogen Oxide emissions (NOx), Hydrocarbons (HCs), Carbon monoxide (CO) and Carbon dioxide (CO2) — were measured and are presented alongside performance properties including brake-specific fuel consumption (BSFC), engine efficiency, torque and power. The experimental results show that, relative to diesel, biodiesel had approximately 3–24% decrease in torque, 4–11% decrease in power, 11–32% increase in BSFC and 8–29% general reduction in engine efficiency. However, biodiesel reduced the emissions of CO (1.5–6%), CO2 (13–34%) and unburned HCs (3–25%), while NOx emissions were increased significantly (12–48%). These results indicate that smaller percentages of biodiesel (20% or less) could be blended with pure diesel and used in a diesel engine, without any engine modifications, as an alternative and environmentally friendly fuel and without significantly compromising engine performance.

scholarly journals THE EFFECT OF DIESEL-BIODIESEL BLENDS ON THE PERFORMANCE AND EXHAUST EMISSIONS OF A DIRECT INJECTION OFF-ROAD DIESEL ENGINE

Transport ◽  
2014 ◽  
Vol 29 (4) ◽  
pp. 440-448 ◽  
Author(s):  
Tomas Mickevičius ◽  
Stasys Slavinskas ◽  
Slawomir Wierzbicki ◽  
Kamil Duda
Keyword(s):  
Diesel Engine ◽  
Diesel Fuel ◽  
Direct Injection ◽  
Engine Performance ◽  
Exhaust Emissions ◽  
Bench Test ◽  
Maximum Pressure ◽  
Cylinder Pressure ◽  
Biodiesel Blends ◽  
Performance And Emission

This paper presents a comparative analysis of the diesel engine performance and emission characteristics, when operating on diesel fuel and various diesel-biodiesel (B10, B20, B40, B60) blends, at various loads and engine speeds. The experimental tests were performed on a four-stroke, four-cylinder, direct injection, naturally aspirated, 60 kW diesel engine D-243. The in-cylinder pressure data was analysed to determine the ignition delay, the Heat Release Rate (HRR), maximum in-cylinder pressure and maximum pressure gradients. The influence of diesel-biodiesel blends on the Brake Specific Fuel Consumption (bsfc) and exhaust emissions was also investigated. The bench test results showed that when the engine running on blends B60 at full engine load and rated speed, the autoignition delay was 13.5% longer, in comparison with mineral diesel. Maximum cylinder pressure decreased about 1–2% when the amount of Rapeseed Methyl Ester (RME) expanded in the diesel fuel when operating at full load and 1400 min–1 speed. At rated mode, the minimum bsfc increased, when operating on biofuel blends compared to mineral diesel. The maximum brake thermal efficiency sustained at the levels from 0.3% to 6.5% lower in comparison with mineral diesel operating at full (100%) load. When the engine was running at maximum torque mode using diesel – RME fuel blends B10, B20, B40 and B60 the total emissions of nitrogen oxides decreased. At full and moderate load, the emission of carbon monoxide significantly raised as the amount of RME in fuel increased.

Experimental Investigations of Performance and Emission Characteristics of Moringa Oil Methyl Ester and Its Diesel Blends in a Single Cylinder Direct Injection Diesel Engine

2009 ◽  
Author(s):  
Shyamsundar Rajaraman ◽  
G. K. Yashwanth ◽  
T. Rajan ◽  
R. Siva Kumaran ◽  
P. Raghu
Keyword(s):  
Diesel Engine ◽  
Alternative Fuels ◽  
Methyl Esters ◽  
Direct Injection ◽  
Engine Performance ◽  
Experimental Investigations ◽  
Emission Analysis ◽  
Performance And Emission ◽  
Direct Injection Diesel Engine ◽  
Moringa Oil

World at present is confronted with the twin crisis of fossil fuel depletion and environmental pollution. Rapid escalation in prices and hydrocarbon resources depletion has led us to look for alternative fuels, which can satisfy ever increasing demands of energy as well as protect the environment from noxious pollutants. In this direction an attempt has been made to study a biodiesel, namely Moringa Oil Methyl Esters [MOME]. All the experiments were carried out on a 4.4 kW naturally aspirated stationary direct injection diesel engine coupled with a dynamometer to determine the engine performance and emission analysis for MOME. It was observed that there was a reduction in HC, CO and PM emissions along with a substantial increase in NOx. MOME and its blends had slightly lower thermal efficiency than diesel oil.

Biofuel (Cooking Oil) Blends Contribution in DI Diesel Engine – Performance & Emission Study

2014 ◽  
Vol 984-985 ◽  
pp. 839-844
Author(s):  
Natesan Kanthavelkumaran ◽  
P. Seenikannan
Keyword(s):  
Diesel Engine ◽  
Rice Bran ◽  
Diesel Fuel ◽  
Rice Bran Oil ◽  
Direct Injection ◽  
Research Work ◽  
Engine Performance ◽  
Performance And Emission ◽  
Emission Study ◽  
Ci Engines

In present scenario researchers focusing the alternate sources of petroleum products. Based on this, current research work focused the emission study of its characteristics and potential as a substitute for Diesel fuel in CI engines. Current research biodiesel is produced by base catalyzed transesterification of rice bran oil is known as Rice Bran Oil Methyl Ester (Biofuel). In this research various proportions of Biofuel and Diesel are prepared on volume basis. It is used as fuels in a four stroke single cylinder direct injection Diesel engine to study the performance and emission characteristics of these fuels. Varieties of results obtained, that shows around 50% reduction in smoke, 33% reduction in HC and 38% reduction in CO emissions. In result discussion a different blends of the brake power and BTE are reduced nearly 2 to 3% and 3 to 4% respectively around 5% increase in the SFC. Therefore it is accomplished from the this experimental work that the blends of Biofuel and Diesel fuel can successfully be used in Diesel engines as an alternative fuel without any modification in the engine. It is also environment friendly blended fuel by the various emission standards.

Research on the Multi-Parameters Matching Control of the Cooling System for the Diesel Engine on the Numerical Simulation Technology

2011 ◽  
Vol 383-390 ◽  
pp. 1423-1430
Author(s):  
Zuo Yu Sun ◽  
Xiang Rong Li ◽  
Liang Ping Guo ◽  
Xue Yan Zhang
Keyword(s):  
Diesel Engine ◽  
Fuel Economy ◽  
Internal Combustion Engines ◽  
Cooling System ◽  
Engine Performance ◽  
Control Parameters ◽  
Engine Efficiency ◽  
Future Emission ◽  
Engine System ◽  
Relationship Of

For the growing importance of future emission restrictions and the expanding requirement for a better fuel economy, the internal combustion engines are forced to be improved for the high strengthening direction. However, the heat loads of the engine is increasing according to the increasing of engine speed and power density, hence, the cooling system is faced to more challenge. For the cooling system is one of the key system which has more effect on the engine efficiency, fuel economy, and exhaust heats; optimize the matching control cooling system becomes one of the key technology to improve the engine performance. In this paper, several overall schemes of the cooling system are analyzed and discussed, and then one design scheme is determined to the optimal for the current diesel engine. A whole engine system is established by the software GT-Power, and the cooling system in the engine system is established by GT-Cool based on the above optimal scheme. During the simulation, the influence on the heat dissipating capability brought by the control parameters, injection advance angle, power, and torque are investigated. At last, the requirement of the heat released under full conditions is analyzed, and the relationship of the fuel consumption and the control parameters is investigated.

scholarly journals Experimental investigation and performance evaluation of DI diesel engine fueled by waste oil-diesel mixture in emulsion with water

2009 ◽  
Vol 13 (3) ◽  
pp. 83-89 ◽  
Author(s):  
Kasianantham Nanthagopal ◽  
Rayapati Subbarao
Keyword(s):  
Diesel Engine ◽  
Water Content ◽  
Internal Combustion Engines ◽  
Direct Injection ◽  
Waste Cooking Oil ◽  
Petroleum Products ◽  
Partial Substitution ◽  
Performance And Emission ◽  
Pollution Levels ◽  
Cooking Oil

Exploitation of the natural reserves of petroleum products has put a tremendous onus on the automotive industry. Increasing pollution levels and the depletion of the petroleum reserves have lead to the search for alternate fuel sources for internal combustion engines. Usage of vegetable oils poses some challenges like poor spray penetration, valve sticking and clogging of injector nozzles. Most of these problems may be solved by partial substitution of diesel with vegetable oil. In this work, the performance and emission characteristics of a direct injection diesel engine fueled by waste cooking oil-diesel emulsion with different water contents are evaluated. The use of waste cooking oil-diesel emulsion lowers the peak temperature, which reduces the formation of NOx. Moreover the phenomenon of micro explosion that results during the combustion of an emulsified fuel finely atomizes the fuel droplets and thus enhances combustion. Experiments show that CO concentration is reduced as the water content is increased and it is seen that 20% water content gives optimum results. Also, there is a significant reduction in NOx emissions.

Research on the Multi-Parameters Matching Control of the Cooling System for the Diesel Engine on the Numerical Simulation Technology

2012 ◽  
Vol 433-440 ◽  
pp. 2670-2679
Author(s):  
Zuo Yu Sun ◽  
Xiang Rong Li ◽  
Liang Ping Guo ◽  
Xue Yan Zhang
Keyword(s):  
Diesel Engine ◽  
Fuel Economy ◽  
Internal Combustion Engines ◽  
Cooling System ◽  
Engine Performance ◽  
Control Parameters ◽  
Engine Efficiency ◽  
Future Emission ◽  
Engine System ◽  
Relationship Of

For the growing importance of future emission restrictions and the expanding requirement for a better fuel economy, the internal combustion engines are forced to be improved for the high strengthening direction. However, the heat loads of the engine is increasing according to the increasing of engine speed and power density, hence, the cooling system is faced to more challenge. For the cooling system is one of the key system which has more effect on the engine efficiency, fuel economy, and exhaust heats; optimize the matching control cooling system becomes one of the key technology to improve the engine performance. In this paper, several overall schemes of the cooling system are analyzed and discussed, and then one design scheme is determined to the optimal for the current diesel engine. A whole engine system is established by the software GT-Power, and the cooling system in the engine system is established by GT-Cool based on the above optimal scheme. During the simulation, the influence on the heat dissipating capability brought by the control parameters, injection advance angle, power, and torque are investigated. At last, the requirement of the heat released under full conditions is analyzed, and the relationship of the fuel consumption and the control parameters is investigated.

Effect of Compression Ratio on Diesel Engine Performance and Emission Fueled with Tamanu Oil Methyl Ester and its Blends

2014 ◽  
Vol 984-985 ◽  
pp. 850-854 ◽  
Author(s):  
G. Antony Miraculas ◽  
N. Bose
Keyword(s):  
Diesel Engine ◽  
Compression Ratio ◽  
Direct Injection ◽  
Engine Performance ◽  
Calorific Value ◽  
Acid Value ◽  
Standard Test ◽  
Test Procedures ◽  
Performance And Emission ◽  
Acid And Base

Biofuels are renewable, nontoxic and ecofriendly fuels that can play an important role in automobile industries. They can successfully replace diesel fuel and helps in decreasing the import of crude oil. The discarded seed ofCalophyllunInophyllumwhich are planted in India mainly to prevent soil erosion is considered as the possible source for extracting biodiesel. Thetamanuoil extracted had a fatty acid value of 48 mg KOH/g, therefore a two stage esterification processes with acid and base catalyst were used for converting it into biodiesel. The fuel was then tested for properties such as viscosity, calorific value and carbon residue using standard test procedures and found to be analogous with diesel, which makes it possible to use this alternate fuel in the existing engine without any modification. A single cylinder, four stroke, constant speed, variable compression ratio, direct injection diesel engine developing 5KW power with provision for computerized data acquisition is used to evaluate the performance and emission characteristics. The test results were analyzed for biodiesel and its blends in comparison with standard diesel at different compression ratios (16:1, 18:1, 20:1 & 22:1). The performance and emission results of the diesel engine revealed that biodiesel can be blended with diesel up to 40% at an optimum CR of 20, in order to get improved performance and reduced emission.

scholarly journals Performance and Emission Parameters with Blending of Jatropha Biodiesel in Diesel Engine

2020 ◽  
Vol 8 (5) ◽  
pp. 4004-4009
Keyword(s):  
Diesel Engine ◽  
Internal Combustion Engines ◽  
Work Performance ◽  
Direct Injection ◽  
Research Work ◽  
Renewable Resource ◽  
Petroleum Products ◽  
Performance And Emission ◽  
Emission Parameter ◽  
Ci Engines

In the current situation limited resources of petroleum products and their higher consumption rate and pollution increase research work for an alternative option for internal combustion engines. The emissions draws from these fuels also pollute the environment more day by day. Jatropha oil from jatropha seed is one sources of biodiesel which is a less polluting, locally available and reliable renewable resource. In this research work, performance and analysis doing on 5 HP single cylinder of vertical arrangement and direct injection CI engines with rope brake dynamometer with a blending of jatropha biodiesel. The performance and emission parameter of the diesel engine were found with different proportions of biodiesel in a existing diesel fuel. The result shows that by using up to 20 % biodiesel in diesel, compatible performance parameters with reduced emissions can be achieved.

scholarly journals Numerical Simulation on Effect of Spray Cone Angle on Emissions in Diesel-Engine using AVL-FIRE

2020 ◽  
Vol 9 (4) ◽  
pp. 1595-1599
Keyword(s):  
Diesel Engine ◽  
Direct Injection ◽  
Cone Angle ◽  
Three Dimensional ◽  
Engine Performance ◽  
Spray Angle ◽  
Compression Ignition Engine ◽  
Spray Cone Angle ◽  
Spray Cone ◽  
Performance And Emission

The in-cylinder flow dramatically affects combustion performance and emission characteristics of a compression ignition engine. The spray cone angle is among the most critical factors affecting mixture formation, combustion and emissions in a direct injection diesel engine. We have used three-dimensional computational investigations on spray cone angle-induced emission pattern of V-type DI engine under AVL-FIRE and ESE simulation interface. Four spray cone angles of 120°, 130°, 140°, and 150° were used for simulation purpose. The findings from the three-dimensional AVL-FIRE simulation confirm the influence of spray angle on optimal air-fuel mixing and, hence, combustion. Spray cone angle of 140° gave better engine performance in terms of lower CO and soot emission, but increased NO emission was observed due to improved combustion.

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