Performance, Emission and Combustion Characteristics Analysis of Jatropha Biodiesel Blends Compared to Diesel Fuel

2017 ◽  
Vol 17 (17) ◽  
pp. 1-16
Author(s):  
S. Abdel Razek ◽  
M. Gad
Keyword(s):  
Diesel Fuel ◽  
Combustion Characteristics ◽  
Biodiesel Blends ◽  
Characteristics Analysis

Engine Performance with Diesel-Biodiesel Blends Fuel and Emission Characteristics

2020 ◽  
Vol 38 (5A) ◽  
pp. 779-788
Author(s):  
Marwa N. Kareem ◽  
Adel M. Salih
Keyword(s):  
Sulfur Content ◽  
Diesel Fuel ◽  
Engine Performance ◽  
Esterification Reaction ◽  
Biodiesel Fuel ◽  
Exhaust Gas ◽  
Gas Temperature ◽  
Biodiesel Blends ◽  
Fuel Blends ◽  
Hc Emissions

In this study, the sunflowers oil was utilized as for producing biodiesel via a chemical operation, which is called trans-esterification reaction. Iraqi diesel fuel suffers from high sulfur content, which makes it one of the worst fuels in the world. This study is an attempt to improve the fuel specifications by reducing the sulfur content of the addition of biodiesel fuel to diesel where this fuel is free of sulfur and has a thermal energy that approaches to diesel.20%, 30% and 50% of Biodiesel fuel were added to the conventional diesel. Performance tests and pollutants of a four-stroke single-cylinder diesel engine were performed. The results indicated that the brake thermal efficiency a decreased by (4%, 16%, and 22%) for the B20, B30 and B50, respectively. The increase in specific fuel consumption was (60%, 33%, and 11%) for the B50, B30, and B20 fuels, respectively for the used fuel blends compared to neat diesel fuel. The engine exhaust gas emissions measures manifested a decreased of CO and HC were CO decreased by (13%), (39%) and (52%), and the HC emissions were lower by (6.3%), (32%), and (46%) for B20, B30 and B50 respectively, compared to diesel fuel. The reduction of exhaust gas temperature was (7%), (14%), and (32%) for B20, B30 and B50 respectively. The NOx emission increased with the increase in biodiesel blends ratio. For B50, the raise was (29.5%) in comparison with diesel fuel while for B30 and B20, the raise in the emissions of NOx was (18%) and...

Effect of Ethanol–Diesel Fuel Blends on Autoignition and Combustion Characteristics in HCCI Engines

2017 ◽  
Vol 17 (17th International Conference) ◽  
pp. 1-15
Author(s):  
Aly Elzahaby ◽  
Medhat Elkelawy ◽  
Hagar Bastawissi ◽  
Saad El-Malla ◽  
Abdel Moneim Naceb
Keyword(s):  
Diesel Fuel ◽  
Combustion Characteristics ◽  
Fuel Blends ◽  
Hcci Engines

Performance, emission and combustion characteristics of various biodiesel blends

2021 ◽  
Author(s):  
Abhishek Chaudhary ◽  
Shreyash Hemant Panchal ◽  
Aashirwad Surana ◽  
M. Sreekanth ◽  
Saleel Ismail ◽  
...  
Keyword(s):  
Combustion Characteristics ◽  
Biodiesel Blends

Analysis of Engine Performance and Combustion Characteristics of Diesel and Biodiesel blends in a Compression Ignition Engine

2016 ◽  
Author(s):  
Henrique Dornelles ◽  
Jácson Antolini ◽  
Rafael Sari ◽  
Macklini Dalla Nora ◽  
Paulo Romeu Machado ◽  
...  
Keyword(s):  
Engine Performance ◽  
Combustion Characteristics ◽  
Compression Ignition ◽  
Compression Ignition Engine ◽  
Biodiesel Blends

Analysis of combustion characteristics, engine performances and emissions of long-chain alcohol-diesel fuel blends

Fuel ◽  
2018 ◽  
Vol 220 ◽  
pp. 682-691 ◽  
Author(s):  
Hazrulzurina Suhaimi ◽  
Abdullah Adam ◽  
Anes G. Mrwan ◽  
Zuhaira Abdullah ◽  
Mohd. Fahmi Othman ◽  
...  
Keyword(s):  
Diesel Fuel ◽  
Combustion Characteristics ◽  
Chain Alcohol ◽  
Fuel Blends ◽  
Long Chain Alcohol ◽  
Long Chain

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.

scholarly journals Multizone Model Study for DI Diesel Engine Running on Diesel-Ethanol-Biodiesel Blends of High Ethanol Fraction

2018 ◽  
Vol 15 (3) ◽  
pp. 5451-5467 ◽  
Author(s):  
D. B. Hulwan ◽  
S. V. Joshi
Keyword(s):  
Diesel Engine ◽  
Model Prediction ◽  
Diesel Fuel ◽  
Equivalence Ratio ◽  
Air Entrainment ◽  
Biodiesel Blends ◽  
Di Diesel Engine ◽  
Fuel Evaporation ◽  
High Ethanol ◽  
Ethanol Fraction

A multizone combustion model for closed cycle of a DI diesel engine is developed to interpret the experimental investigations on the utilization of diesel-ethanol-biodiesel blends of high ethanol fraction (DEB blends). A computer-based programming for engine process simulation is developed in MATLAB. The model is validated with the experimental values of cylinder pressure and heat release rate. Important information related to fuel injection and combustion inside the combustion chamber, is revealed through the model prediction which is normally difficult to get from the experiments. Model prediction shows that the rate of fuel evaporation is higher for DEB blends, than diesel fuel at any instant of time. The fuel combustion is started late for DEB blends compared to diesel fuel, however, once the combustion is started the burning rate is higher than the diesel fuel. The droplet size (Sauter mean diameter) is decreased for DEB blends which indicate improved fuel atomization. The mean temperature in the zone is significantly lower for DEB blends compared to diesel fuel. The equivalence ratio in the zone is decreased for DEB blends proving that engine runs leaner. The equivalence ratio trend is not uniform as it depends on the combination of the rate of fuel evaporation, rate of air entrainment and rate of burning. Soot density is remarkably decreased, and NOx formation is also drastically reduced for DEB blends at different instant of time. The predictions help to interpret the experimental results for DEB blends and its comparison with diesel fuel.

Sign in / Sign up

Export Citation Format

Share Document