Impact of butanol-acetone mixture as a fuel additive on diesel engine performance and emissions

Algayyim, Sattar Jabbar Murad; Wandel, Andrew P.; Yusaf, Talal; Al-lwayzy, Saddam H.; Hamawand, Ihsan

doi:10.1016/j.fuel.2018.04.091

Cited by 38 publications

(21 citation statements)

References 38 publications

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“…20% butanol (B) was blended with 80% neat diesel, referred to as B20D80. The density was measured for all test fuel blends according to ASTM 1298 [3]. The dynamic viscosities of the test fuels were measured according to the ASTM 445-01 [1] fuel standards by using a Brookfield Viscometer (DV-II+Pro Extra, AMETEK Brookfield, Middleboro, MA, USA); then the kinematic viscosity was subsequently calculated.…”

Section: Fuel Preparation and Propertiesmentioning

confidence: 99%

“…The dynamic viscosities of the test fuels were measured according to the ASTM 445-01 [1] fuel standards by using a Brookfield Viscometer (DV-II+Pro Extra, AMETEK Brookfield, Middleboro, MA, USA); then the kinematic viscosity was subsequently calculated. The calorific values of the test blends were measured using a digital oxygen bomb calorimeter (XRY-1A, Shanghai Changji Geological Instrument Co., Ltd., Shanghai, China) following ASTM D240 [1,3]. Fuel properties of the test fuel blends are listed in Table 1. )…”

Section: Fuel Preparation and Propertiesmentioning

confidence: 99%

“…kinematic viscosity was subsequently calculated. The calorific values of the test blends were measured using a digital oxygen bomb calorimeter (XRY-1A, Shanghai Changji Geological Instrument Co., Ltd., Shanghai, China) following ASTM D240 [1,3]. Fuel properties of the test fuel blends are listed in Table 1.…”

Section: Fuel Preparation and Propertiesmentioning

confidence: 99%

“…As a response to the high demand for environmental security, more attention is being paid to utilising fuels with lower emissions and optimising combustion processes [1][2][3][4][5][6][7][8]. Optimising the combustion process in compression ignition (CI) engines has been employed in the current study because this can reduce fuel consumption and pollutants [9][10][11][12][13].…”

Section: Introductionmentioning

confidence: 99%

“…Another mechanism to reduce environmental impact is to utilise one of the growing number of alternative fuels such as alcohols [1][2][3] or biodiesel [25]. This has led to increased and accelerated interest in studying the relationship between spray techniques and combustion characteristics of these fuels [21].…”

Section: Introductionmentioning

confidence: 99%

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The Impact of Injector Hole Diameter on Spray Behaviour for Butanol-Diesel Blends

2018

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Optimising the combustion process in compression ignition (CI) engines is of interest in current research as a potential means to reduce fuel consumption and emission levels. Combustion optimisation can be achieved as a result of understanding the relationship between spraying technique and combustion characteristics. Understanding macroscopic characteristics of spray is an important step in predicting combustion behaviour. This study investigates the impact of injector hole diameter on macroscopic spray characteristics (spray penetration, spray cone angle, and spray volume) of butanol-diesel blends. In the current study, a Bosch (0.18 mm diameter) and a Delphi (0.198 mm) injector were used. Spray tests were carried out in a constant volume vessel (CVV) under different injection conditions. The test blends were injected using a solenoid injector with a common rail injection system and images captured using a high-speed camera. The experimental results showed that the spray penetration (S) was increased with larger hole diameter. Spray penetration of a 20% butanol-80% diesel blend was slightly further than that of neat diesel. Spray penetration of all test fuels was increased as a result of increased injection pressure (IP), while spray cone angle (θ) was slightly widened due to the increase in either hole diameter or injection pressure. Spray volume of all test fuels was increased as a result of increased hole diameter or injection pressure. Thus, an efficient diesel engine performance can be achieved as a result of controlling injection characteristics, especially when using a promising additive like butanol blended with diesel.

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Section: Fuel Preparation and Propertiesmentioning

confidence: 99%

Section: Fuel Preparation and Propertiesmentioning

confidence: 99%

Section: Fuel Preparation and Propertiesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The Impact of Injector Hole Diameter on Spray Behaviour for Butanol-Diesel Blends

2018

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Role of analytical methods in verifying biodiesel upgrades: Emphasis on nanoparticle and acetone integration for enhanced performance, combustion, and emissions

Deviren,

Çılğın,

Bayındır

2024

Heat Trans

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This study aims to address critical challenges such as global warming and energy sustainability by targeting the reduction of high NOx emissions in diesel engines. The effects of acetone (AC) and magnesium oxide (MgO) nanoparticles (NPs) as additives in improving the physicochemical properties of biodiesel derived from renewable, nonedible Pistacia terebinthus oil, which is abundant in Turkey and has a high free fatty acid (FFA) content of 5.8%, were investigated. Due to the high FFA content, a two‐step (esterification followed by transesterification [TR]) method was used for biodiesel production. Additionally, a quantitative analysis of biodiesel obtained by both single (TR) and two‐step methods was performed to address a gap in the literature. The addition of AC and MgO NPs to B20 (80% diesel fuel and 20% biodiesel) fuel resulted in reductions in the rate of pressure rise, instantaneous energy release, cylinder pressure, mean gas temperature, and cumulative heat release rate. However, brake‐specific fuel consumption increased, and brake thermal efficiency decreased. Emissions analyses showed a reduction in CO emissions by 6.65% with AC and 2.10% with AC + MgO, and a reduction in NOx emissions by 41.64% with AC and 46.03% with AC + MgO. However, hydrocarbon emissions increased by 26.48%. The study highlights the synergistic benefits of AC and MgO additives in biodiesel, presenting a viable strategy for improving the environmental and performance metrics of biodiesel blends. It provides new insights into alternative fuel formulations.

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Enhancement of energy, exergy and soot characteristics with the utilization of MEK in diesel engine

Almanzalawy,

Mori,

Elkady

et al. 2023

J Therm Anal Calorim

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This study investigated the effects of methyl ethyl ketone (MEK) on a diesel engine’s energy, exergy and emissions. The evaporation of a bi-component droplet of MEK and heptane was modeled. Furthermore, the soot morphology and nanostructure were quantified. Different blends were examined at other engine conditions. Running the engine under idle conditions and optimum speed considerably reduced engine emissions. MEK noticeably decreased the maximum reachable load of the diesel engine. Both specific fuel consumption and thermal efficiency increased with MEK. The exergetic efficiency increased while the fuel exergy decreased at the same work exergy. The effects of MEK on combustion characteristics were insignificant. However, a stronger premixed combustion phase was obtained where MEK evaporated first and caused a slightly longer droplet lifetime. Low percentages of MEK reduced CO emissions, while NOx emissions increased consistently with the MEK addition. The engine conditions noticeably influenced the unburned hydrocarbon emissions with MEK. Both smoke opacity and primary particle diameter decreased. The fringe analysis emphasized that MEK decreased fringe length, soot intensity, and alignment, increasing fringe tortuosity and spacing. Clearly, methyl ethyl ketone suppressed soot formation in a diesel engine and decreased its reactivity. Graphical abstract

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Impact of butanol-acetone mixture as a fuel additive on diesel engine performance and emissions

Cited by 38 publications

References 38 publications

The Impact of Injector Hole Diameter on Spray Behaviour for Butanol-Diesel Blends

The Impact of Injector Hole Diameter on Spray Behaviour for Butanol-Diesel Blends

Role of analytical methods in verifying biodiesel upgrades: Emphasis on nanoparticle and acetone integration for enhanced performance, combustion, and emissions

Enhancement of energy, exergy and soot characteristics with the utilization of MEK in diesel engine

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