Experimental studies on fumigation of ethanol in a small capacity Diesel engine

Chauhan, Bhupendra Singh; Kumar, Naveen; Pal, Shyam Sunder; Jun, Yong Du

doi:10.1016/j.energy.2010.12.005

Cited by 117 publications

(54 citation statements)

References 25 publications

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“…Emissions of CO depend on the air-fuel ratio relative to the stoichiometric proportion. Reach combustion process invariably produces CO and emissions increase nearly linearly with the deviation of the stoichiometric [4]. For all analyzed blends the specific emission of CO was decreased.…”

Section: Resultsmentioning

confidence: 92%

“…However, alcohol such as ethanol is competitive alternative fuel due to their liquid nature, high oxygen content and their production from renewable biomass. Ethanol is a form of renewable energy and it can be produced from carbon based agriculture feed stocks [4]. Ethanol fuel can be considered as a renewable fuel.…”

Section: Introductionmentioning

confidence: 99%

“…Some of the disadvantages of alcohol fuels are low lubricity, difficulty of vaporization and high-auto-ignition temperature. Ethanol contains oxygen atom so that it can be viewed as partially oxidized hydrocarbon [4]. The main difficulties are more ethanol fuel then diesel fuel is required by mass and volume.…”

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confidence: 99%

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Experimental investigations on combustion, performance and emissions characteristics of compression ignition engine powered by B100/ethanol blend

2017

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Abstract. In the study are presented the results of co-combustion of biodiesel B100 with ethanol fuel as blend. The 1-cylinder direct injection compression ignition engine was used during the study. Tests were conducted at a constant angle of fuel injection and constant rotational speed equal to 1500 rpm. Results of thermal cycle parameters and emission characteristics are presented. On the basis of results stated that ethanol fuel fraction in blend causes the increase in peak heat release rate. With the increase in ethanol fuel fraction the ignition delay increased but combustion duration decreased. With the increase in ethanol fuel fraction in blend thermal efficiency increased as well. It also noticed almost constant emission of THC, the increase in NOx emissions and decrease emissions in CO and CO2.

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Section: Resultsmentioning

confidence: 92%

Section: Introductionmentioning

confidence: 99%

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Experimental investigations on combustion, performance and emissions characteristics of compression ignition engine powered by B100/ethanol blend

2017

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“…And the other hand, fumigated Diesel Engine reported increase of unburned hydrocarbon (HC) emission in the entire load range. Considering the parameters, the optimum percentage was found as 15% for ethanol fumigation [8].…”

Section: Introductionsmentioning

confidence: 99%

Effect of Ethanol Percentage for Diesel Engine Performance Using Virtual Engine Simulation Tool

et al. 2015

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Exhaust emission is one of the kind emission have contribute to the greenhouse effect in the world. Ethanol is one of the best tools to fight air pollution from vehicles. From its biodegradable nature to reductions in greenhouse gas and tailpipe emissions, ethanol provides a tool to address environmental concerns without requiring an entirely new way for goods and people to get from one place to another. Ethanol contains 35% oxygen and with adding oxygen to fuel results in more complete fuel combustion, reducing harmful tailpipe emissions. This paper addresses the possibility study of ethanol percentage to changing of performance and exhaust emissions for Diesel Engine using Virtual Engine Simulation Tool AVL Boost. In this study the blend formulation between Ethanol and Diesel Fuel were E0, E2.5, E5, E7.5 and E 10. The performance of diesel engine simulated in 1,000-1,500 rpm with 0, 10, 20, 30, 40, 50 and 60 Nm engine loads. The direct blending of ethanol and diesel fuel has advantages reducing exhaust emissions CO, Soot and NOx percentages. The engine power break of pure diesel is slightly lower than those of E2.5-E10, especially for speed above than 1400 rpm. The simulation work with the same results compare to the experiments can reduce the cost of research.

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“…Even if the current solution implies the use of a small quantity of diesel -that anyway represents under 10% of the total amount of fuel supplied to the cylinder -for future solution the diesel fuel could be replaced with renewable solutions like dimethylether, which has been proved by many researchers to be a viable solution for diesel [2][3][4][5]. A survey of the available literature has showed that there are numerous studies about the use of ethanol fumigation [6][7][8][9] and diesel-ethanol blends [10][11][12][13][14][15], but very few studies that cover such a process that involves a separate direct injection of both fuels (diesel and ethanol), in which the diesel pilot injection is used to create the required conditions for the autoignition of a main ethanol injection, which is believed to be due to its higher complexity. The aim of this solution is to reduce the NO x and soot emissions, while taking advantage of the higher efficiency of the Diesel process.…”

Section: Introductionmentioning

confidence: 99%

Influences of diesel pilot injection on ethanol autoignition - a numerical analysis

Burnete

JURCHIȘ

Iclodean

2017

IOP Conf. Ser.: Mater. Sci. Eng.

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Abstract. The aim of this study is to highlight the influences of the diesel pilot quantity as well as the timing on the autoignition of ethanol and the pollutant emissions resulting from the combustion process. The combustion concept presented in this paper requires the injection of a small quantity of diesel fuel in order to create the required autoignition conditions for ethanol. The combustion of the diesel droplets injected in the combustion chamber lead to the creation of high temperature locations that favour the autoignition of ethanol. However, due to the high vaporization enthalpy and the better distribution inside the combustion chamber of ethanol, the peak temperature values are reduced. Due to the lower temperature values and the high burning velocity of ethanol (combined with the fact that there are multiple ignition sources) the conditions required for the formation of nitric oxides are not achieved anymore, thus leading to significantly lower NOx emissions. This way the benefits of the Diesel engine and of the constant volume combustion are combined to enable a more efficient and environmentally friendly combustion process.

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Experimental studies on fumigation of ethanol in a small capacity Diesel engine

Cited by 117 publications

References 25 publications

Experimental investigations on combustion, performance and emissions characteristics of compression ignition engine powered by B100/ethanol blend

Experimental investigations on combustion, performance and emissions characteristics of compression ignition engine powered by B100/ethanol blend

Effect of Ethanol Percentage for Diesel Engine Performance Using Virtual Engine Simulation Tool

Influences of diesel pilot injection on ethanol autoignition - a numerical analysis

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