An ignition delay correlation for compression ignition engines fueled with straight soybean oil and diesel oil blends

Garzón, Nury Audrey Nieto; Oliveira, Amir Antônio Martins; Bazzo, Edson

doi:10.1016/j.fuel.2019.116050

Cited by 10 publications

(2 citation statements)

References 31 publications

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“…On the other hand, chemical delay relates to the chemical reactions that happen before the air-fuel combustion process, leading to the formation of the reactive radical population necessary for a local homogeneous mixture's thermal explosion. During this period, the fuel's chemical composition, particularly the ratio of species with low volatility, is crucial [25]. While mixtures with high evaporation rates reduce physical ignition delay, those with limited chemical stability reduce chemical ignition delay [26].…”

Section: Influence Of Alcohols On Ignition Delay Time and Droplet Lif...mentioning

confidence: 99%

The Effect of Alcohol Compounds on Droplet Combustion Characteristics of Unsaturated Fatty Acid of Linoleic Acid

Hamidi

Ibadurrohman²,

Yuliati³

et al. 2023

Trends Sci

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Alcohol compounds have become a popular choice as additives for improving the performance of biodiesel. However, given the complexity of biodiesel, which is composed of various components of vegetable oil, it requires intensive research to fully understand its behavior. This study aims to investigate the impact of alcohol compounds on the droplet combustion characteristics of linoleic acid, an unsaturated fatty acid. Four alcohol compounds, namely methanol, ethanol, propanol, and butanol, were utilized to evaluate their effects on the combustion properties of the fuel mixtures. The droplet combustion characteristics were observed under normal atmospheric pressure and temperature conditions, with the fuel mixture consisting of 80 % linoleic acid and 20 % alcohol compounds. Our findings indicate that the addition of alcohol compounds to linoleic acid significantly reduced the ignition delay time, although the droplet lifetime was slightly increased. Moreover, it was observed that alcohols with shorter carbon chains had a greater impact on reducing the ignition delay time. Additionally, the results demonstrated that the alcohol compounds could accelerate the rate of increasing combustion temperature, reduce soot formation, and shorten the duration of soot formation. Furthermore, it was found that alcohol with a short carbon chain had a more pronounced effect on the overall combustion characteristics of linoleic acid. Overall, our study sheds light on the effects of alcohol compounds on the droplet combustion characteristics of linoleic acid, providing valuable insights for the optimization of biodiesel performance. HIGHLIGHTS Alcohol has a significant impact on the properties of unsaturated fatty acids, specifically on factors such as ignition delay time, droplet lifetime, temperature, flame dimension, and soot production The addition of alcohol as an additive, results in a reduction in soot generation and a shorter duration of soot formation The length of the carbon chain in the alcohol additive plays a crucial role in the combustion properties of linoleic acid. Alcohols with shorter carbon chains have a greater impact on the overall combustion properties GRAPHICAL ABSTRACT

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Section: Influence Of Alcohols On Ignition Delay Time and Droplet Lif...mentioning

confidence: 99%

The Effect of Alcohol Compounds on Droplet Combustion Characteristics of Unsaturated Fatty Acid of Linoleic Acid

Hamidi

Ibadurrohman²,

Yuliati³

et al. 2023

Trends Sci

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show abstract

“…Since the properties of the fuels influence the atomization quality, it is important to increase the burning efficiency. The interaction between the fuel spray and the surrounding gas is influenced by fuel properties [12]. In this study, CeO2 nano additive was added to biodiesel fuel to improve its specifications and enhance the combustion efficiency.…”

Section: Introductionmentioning

confidence: 99%

Investigation of the Performance and Emissions of an Engine Operated with CEO2 Nano Additive Doped Biodiesel

Çelik

Bayındırlı

İLHAK

2022

International Journal of Automotive Science and Technology

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The production of greenhouse gases such as carbon dioxide causes global warming and many other environmental problems. Diesel engines are widely used due to their higher output torque value, better thermal efficiency and durability compared to gaso-line engines. Because of rapid consumption and mitigation of diesel as a fossil fuel, bio-diesel has recently received significant attention as a renewable energy source. There are several sources in order to produce biodiesel. Animal fats, inedible vegetable oils, waste oils and other low-value bioenergy raw materials are suitable sources for biodiesel pro-duction as they are renewable and have no impact on food safety. In this study, CeO2 nano additives at concentrations of 50 ppm and 75 ppm were added to cottonseed based biodiesel. The experiments were conducted at 4 different load conditions on a 3-cylinder water-cooled diesel engine. According to the test results, it was observed that with increasing nano additive concentration, thermal efficiency was increased and spe-cific fuel consumption was reduced. As well as, the results indicated that CO and soot emissions were reduced, while NOx emissions were increased due to the improvement of the combustion performance caused by CeO2 nanoparticles.

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Performance and environmental impact assessment of diesel engine operating on high viscous punnai oil–diesel blends

Bibin

Kumarasami

Gopinath

et al. 2022

Environ Sci Pollut Res

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An ignition delay correlation for compression ignition engines fueled with straight soybean oil and diesel oil blends

Cited by 10 publications

References 31 publications

The Effect of Alcohol Compounds on Droplet Combustion Characteristics of Unsaturated Fatty Acid of Linoleic Acid

The Effect of Alcohol Compounds on Droplet Combustion Characteristics of Unsaturated Fatty Acid of Linoleic Acid

Investigation of the Performance and Emissions of an Engine Operated with CEO2 Nano Additive Doped Biodiesel

Performance and environmental impact assessment of diesel engine operating on high viscous punnai oil–diesel blends

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