Showing papers on "Alcohol fuel published in 2015"
TL;DR: In this paper, the impact of methanol and E85 (85% ethanol and 15% gasoline) as additional fuels added to a diesel fueled engine on its combustion characteristics and exhaust toxic emission was described.
181 citations
TL;DR: In this article, a four-stroke spark ignited engine was used as a simulation tool to analyze the performance and emissions characteristics for different blends of ethanol, methanol and gasoline (by volume).
80 citations
TL;DR: In this paper, a Premixed Pilot Assisted Combustion (PPAC) strategy comprising of the port fuel injection of ethanol, ignited with a single diesel pilot injection near the top dead centre has been investigated on a single-cylinder high compression ratio diesel engine.
72 citations
TL;DR: In this article, the authors present an experimental study of the alcohols-gasoline and gasoline-alcohols dual-fuel spark ignition (DFSI) combustion for knock suppression and higher engine efficiency using a gasoline engine with high compression ratio.
70 citations
TL;DR: In this article, the effect of mixed blends of biodiesel alcohol and diesel on engine performance and emission parameters of a diesel engine was discussed and the authors concluded that biodiesel-diesel-ethanol blend can be used as a substitute of petro-diesels fuel to reduce dependency on fossil fuel as well as the exhaust emissions of the engine.
58 citations
TL;DR: In this paper, the effect of a diesel fuel blend with n-butanol on the individual hydrocarbons and particulate matter (PM) of a turbocharged common rail direct injection diesel engine and to compare the results with the neat diesel fuel operation case was investigated.
56 citations
56 citations
TL;DR: In this paper, the authors compared the stoichiometric alcohol-gasoline and gasoline-alcohol dual-fuel Spark Ignition (DFSI) combustion for engine particle number reduction and fuel economy improvement using a high compression ratio gasoline engine.
54 citations
TL;DR: In this article, the effects of gasoline/diesel blended fuel composed of diesel fuel with gasoline as additives in volume basis, on combustion, fuel economies and exhaust emissions were experimentally investigated.
54 citations
TL;DR: In this article, the utility of waste polyethylene (WPE) as a potential source of diesel fuel was explored and an experimental study was conducted to evaluate the use of various blends of WPE with diesel fuel.
Abstract: The overall objective of this study was to explore the utility of waste plastics as a potential source of diesel fuel. An experimental study was conducted to evaluate the use of various blends of plastic oil produced from waste polyethylene (WPE) with diesel fuel (D). WPE was degraded thermally and catalytically using sodium aluminum silicate as a catalyst. The oil collected at optimum conditions (414°C–480°C range and 1 h reaction time) was fractionated at different temperatures and fuel properties of the fractions were measured. Plastic oil was blended with diesel fuel at the volumetric ratios of 5%, 10%, 15%, 20%, and 100%. Fuel properties of blends are found comparable with those of diesel fuel within the EN 590 Diesel Fuel standard and they can also be used as fuel in compression ignition engines without any modification. Engine performance and exhaust emission studies of 5% WPE-D (WPE5) blend were performed. Experimental results showed that carbon monoxide (CO) emission is decreased by 20.63%, carbo...
52 citations
TL;DR: In this paper, an experimental study of Alcohols-gasoline Dual-Fuel Spark Ignition (DFSI) Combustion for knock suppression and high fuel efficiency using a gasoline engine with high compression ratio was conducted.
TL;DR: In this paper, the effects of injection timing and premixed ratio on the combustion and emissions characteristics of Reactivity Controlled Compression Ignition (RCCI) combustion with n-heptane/gasoline-like fuels are investigated on a singlecylinder engine.
TL;DR: In this paper, the impact of ozone seeding on the combustion of three alcohol fuels: methanol, ethanol and n-butanol, was examined through engine experiments and constant volume computations.
14 Apr 2015
TL;DR: In this paper, the performance and engine-out emissions of methanol, ethanol and butanol were examined on a 4 cylinder 2.4 DI production engine and compared with those on neat gasoline.
Abstract: Stricter CO2 and emissions regulations are pushing spark ignition engines more and more towards downsizing, enabled through direct injection and turbocharging. The advantages which come with direct injection, such as increased charge density and an elevated knock resistance, are even more pronounced when using low carbon number alcohols instead of gasoline. This is mainly due to the higher heat of vaporization and the lower air-to-fuel ratio of light alcohols such as methanol, ethanol and butanol. These alcohols are also attractive alternatives to gasoline because they can be produced from renewable resources. Because they are liquid, they can be easily stored in a vehicle.
In this respect, the performance and engine-out emissions (NOx, CO, HC and PM) of methanol, ethanol and butanol were examined on a 4 cylinder 2.4 DI production engine and are compared with those on neat gasoline. Additionally, measurements were done for E85 and a methanol-gasoline blend with the same air-to-fuel ratio as E85 because this ‘iso-stoichiometric’ methanol-gasoline blend shows very few differences in physical properties to E85 and has the potential to be used as ‘drop-in’ fuel for flex-fuel vehicles. It is shown that the brake thermal efficiency when running on alcohol fuels is significantly better than with gasoline while emitting fewer emissions. In a knock limited case for gasoline, the brake thermal efficiency on methanol was more than 5 percentage points better than on gasoline. The engine test results also confirm that, from an engine control point of view, the ‘iso-stoichiometric’ methanol-gasoline blend can indeed be used as a ‘drop-in’ fuel for E85.
TL;DR: In this article, a comparative analysis is performed for fuels such as LPG, CNG, hydrogen, biodiesel, ethanol and methanol, which could be used as an alternative to gasoline and diesel, and electric, hybrid and fuel cell vehicles.
TL;DR: In this paper, an alternative fuel for diesel engines was produced from waste vehicle tires by the method of pyrolysis, in order to reduce sulfur content of produced liquid fuels, during the reaction Ca(OH)2 was used.
TL;DR: In this paper, the effect of alcohol additived with biodiesel-diesel blended fuel B30 on diesel engine cyclic variations was investigated with 6% of two alcohol additives (ethanol and butanol).
TL;DR: In this article, the use of carbon-supported shape-controlled Pt nanoparticles as anode catalysts in direct ethanol fuel cells was reported, and the performance of the fuel cell can be increased from 14 to 24mW per mg of Pt when compared with cuboctahedral nanoparticles.
TL;DR: In this article, a modeling study was conducted to investigate the impact of methanol addition on the performance, combustion and emission characteristics of a diesel engine fueled by biodiesel, where 3-D CFD simulations were conducted using the KIVA4 code coupled with CHEMKIN II.
TL;DR: In this paper, the authors investigated fuel consumption and pollutant emissions from a vehicle operating with gasoline-ethanol blend (E22), hydrous ethanol (E100) and hydrogen produced on-board.
TL;DR: In this article, an organic-based manganese additive was added into diesel fuel to improve fuel quality, achieve better combustion and reduce exhaust emissions in a single-cylinder diesel engine.
TL;DR: In this paper, the performance increase of direct alcohol fuel cells (DAFC) fuelled with ethanol or 2-propanol with platinum based anode electrodes modified with Bi and Sb adatoms was reported.
02 Nov 2015
TL;DR: In this article, the performance, combustion and emission characteristics of a single-cylinder, constant speed, DI diesel engine using pine oil and its blends as an alternative fuel were studied.
Abstract: Environment pollution, increasing fuel prices and its demand have promoted an interest in development of alternative fuel for petroleum products. Biofuel is preferred as an alternative fuel for IC engines due to its abundant availability and renewable nature. It is renewable, biodegradable, oxygenated, sulfur free and reduces their adverse effects on climate change. This paper evaluates the possibility of using pine oil as an alternative fuel for diesel. The viscosity, flash point and cetane index of pine oil are lower than that of diesel. The calorific value of this oil is higher than that of diesel fuel. In the present work the performance, combustion and emission characteristics of a single-cylinder, constant speed, DI diesel engine using pine oil and its blends as an alternative fuel were studied. The results are compared with standard diesel fuel. The test results indicates that there is a slight increase in brake thermal efficiency and a decrease in brake specific fuel consumption for all pine blend...
01 Jan 2015
TL;DR: In this paper, the properties of specific mixtures of gasoline, ethanol and methanol which are blended to be iso-stoichiometric and iso-energetic replacements for mixture of gasoline and ethanol are described.
Abstract: When appropriately sourced, bioethanol and biodiesel fuels provide an opportunity for nations to increase their energy independence or to reduce greenhouse gas emissions by supplying energy-dense fuels which are miscible with fossil-derived gasoline and diesel. These fuels can be used in low concentrations in vehicles with no modifications; in the case of ethanol, only minor changes in the fuel system materials together with a low-cost alcohol sensor are necessary for compatibility with a high concentration. Ethanol provides the beneficial property of having a high research octane number which can be exploited at the high-load operating conditions in modern pressure-charged spark ignition engines. However, the availability of sustainable feedstocks constrains the supply of biofuels, and this limits the level at which they are able to displace fossil fuels. The miscibility of methanol with both ethanol and gasoline enables the penetration of alcohols in the fuel pool to be increased. The present work describes the properties of specific mixtures of gasoline, ethanol and methanol which are blended to be iso-stoichiometric and iso-energetic replacements for mixtures of gasoline and ethanol. A simple analytical approach to the formulation of these ternary blends is described on the basis of the volumetric energy density of the pre-blended components, and a number of further physicochemical properties are characterised, including their stoichiometries, vapour pressures, distillation characteristics and propensities to phase separate. Data on the octane numbers of the blends are reported. The properties of quaternary iso-stoichiometric blends of water, gasoline, ethanol and methanol (the so-called hydrous ternary blends) are also examined.
TL;DR: In this article, a residential boiler unit of 29.1kW of nominal power, fed with TPL/diesel fuel blend (50/50vol%) was tested at three different positions of the regulator screw which regulates the fuel-air ratio.
TL;DR: In this paper, the development of anodic materials for anion-exchange membrane direct alcohol fuel cells (AEM-DAFC) using methanol or ethylene glycol as fuels is reported.
TL;DR: In this article, the authors evaluate the combustion, performance, and exhaust emissions of diesel fuel in blends with either 5, 10, and 15% ethanol, or with 8, 16, and 24% n-butanol, or lastly with 8.16, 16 and 24 % diethyl ether (DEE) by volume, fueling a standard, experimental, single-cylinder, four-stroke, high-speed direct injection (HSDI), Hydra diesel engine.
Abstract: The present investigation evaluates the combustion, performance, and exhaust emissions of diesel fuel in blends with either 5, 10, and 15% ethanol, or with 8, 16, and 24% n-butanol, or lastly with 8, 16, and 24% diethyl ether (DEE, an isomer ether of butanol) by volume, fueling a standard, experimental, single-cylinder, four-stroke, high-speed direct injection (HSDI), Hydra diesel engine. The tests were conducted using each of the above fuel blends, with the engine operating at three different loads. Fuel consumption, exhaust gas temperature, and exhaust smoke, nitrogen oxides (NOx), carbon monoxide (CO), and total unburned hydrocarbons (HC) were measured. The differences in combustion, performance, and exhaust emissions of those biofuel blends from the baseline operation of the diesel engine (when working with neat diesel fuel) and among themselves are compared. Fuel injection diagrams, combustion chamber pressure diagrams, and heat release rate (HRR) diagrams obtained thereof, reveal some intere...
TL;DR: In this paper, the performance of a diesel engine running using a 50% blend of regular diesel fuel and each of the two biodiesels prepared was compared to that using regular diesel, and the results showed that the brake specific fuel consumption and the brake thermal efficiency at full engine loading were almost the same in all cases.
17 Oct 2015
TL;DR: In this article, an experimental investigation was carried out on a single cylinder four stroke direct injection water cooled diesel engine using butanol blended fuels in different volume ratios with diesel fuel and the results indicated that the brake thermal efficiency increased with an increase in butanol contents in the blended fuels.
Abstract: The aim of lowering the pollutants and to enhance the performance of diesel engines has intensified research in diesel engines. The goal of this study was to assess combustion, performance and emission characteristics of diesel engine using diesel-oxygenate blends. In this direction, experimental investigations were carried out on a single cylinder four stroke direct injection water cooled diesel engine using butanol blended fuels in different volume ratios with diesel fuel. The butanol had no solubility or stability problems when blended with diesel fuel. As there was not phase separation in the blends, no additive was added. The experimental investigation was done with four different blends of butanol on volume basis [B0 (0% Butanol and 100% Diesel), B5 (5% Butanol and 95% Diesel), B10 (10% Butanol and 90% Diesel), B15 (15% Butanol and 85% Diesel) and B20 (20% Butanol and 80% Diesel)] to study the impact of using butanol -diesel blends on diesel engine performance, combustion and emissions. The outcome indicates that the brake thermal efficiency increased with an increase in butanol contents in the blended fuels at overall operating conditions. At higher loads, reduced CO emission levels were observed for blends of butanol. HC emissions increased for all blends of butanol compared with diesel fuel due to high fuel consumption and high latent heat of vaporization which lowers cylinder temperatures and causes the emission of unburned hydrocarbons at lower load. NOx emissions with diesel–butanol blends were found to be comparable with neat diesel at low loads due to lower calorific value and high latent heat of vaporization of butanol results in reduced flame temperature and slightly higher NOx at high loads with increased butanol percentage in the blend compared to neat diesel. Butanol showed lowest smoke opacity at high engine loads compared to diesel fuel operation.
TL;DR: Karavalakis, George; Short, Daniel; Vu, Diep; Russell, Robert; Asa-Awuku, Akua; Durbin, Thomas.
Abstract: Author(s): Karavalakis, George; Short, Daniel; Vu, Diep; Russell, Robert; Asa-Awuku, Akua; Durbin, Thomas