An extensive investigation of utilization of a C8 type long-chain alcohol as a sustainable next-generation biofuel and diesel fuel blends in a CI engine – The effects of alcohol infusion ratio on the performance, exhaust emissions, and combustion characteristics

Yeşilyurt, Murat Kadir; Çakmak, Abdülvahap

doi:10.1016/j.fuel.2021.121453

Cited by 30 publications

(14 citation statements)

References 133 publications

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“…Under peak load conditions, Blend E gasoline was able to attain 6.03 percentage points greater BTE when compared to Blend B. 48 This increase was made possible by the inclusion of oxygenated additives, green nanoadditives, and a heat barrier layer. Then it will produce a microexplosion effect, lower viscosity, the presence of oxygenated additives, and improved fuel vaporization.…”

Section: Brake Thermal Efficiencymentioning

confidence: 97%

“…The HRR plot revealed that when using the HRR, Blend B measured had a rate that was 12.54% lower than Blend A under higher load conditions. 48 Because Blend B has a shorter delay, the intensity of the combustion that occurs during the time of uncontrolled combustion is significantly reduced. In addition, there is a larger amount of fuel present inside the combustion chamber because of the longer ignition delay associated with diesel fuel.…”

Section: Heat Release Ratementioning

confidence: 99%

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The influence of thermal barrier coating on an LHR engine fueled by soybean biodiesel blended with various additive spectrums: Performance, combustion, and emission analysis

2023

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The novelty of this research work deals with green synthesized nanoadditives (5% of graphene, carbon nanotubes, and carbon black), oxygenated additives (5% of n‐butanol, n‐heptane, and n‐pentanol), and then the test fuels are prepared by blending of 20% of soybean biodiesel and 70%, 80%, and 100% of premium diesel. The experimental outcomes revealed that the Nickel Chromium Aluminum (NiCrAl‐120 micron), partially stabilized zirconia, and titanium dioxide ceramic composites at about 400 microns achieve the thermal barrier coat of low heat rejection (LHR) engine parts by the air‐plasma spray method. Compared with Blend B, green synthesized carbon black (5%), premium diesel (70%), and n‐pentanol (5%) mixed soybean biodiesel (20%) fuel (Blend E) tested on the LHR engine achieved 4.90% higher brake thermal efficiency and 25.31% lower brake‐specific fuel consumption at peak load owing to the presence of an oxygenated agent (n‐pentanol) in the fuel blend, which minimizes carbon deposition. The carbon monoxide, hydrocarbon, NOx, and smoke emissions were reduced by 25.58%, 29.41%, 5.06%, and 7.75% when compared to Blend B at peak load. Then, the in‐cylinder pressure and heat release rate were found to be 4.52% and 8.87% higher for Blend E at peak load compared to Blend B. This was because the mix of oxygenated additive and carbon black bio‐based nanofuels made the combustion process go faster. These fuel blends were tested on LHR diesel engines at various load conditions.

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Section: Brake Thermal Efficiencymentioning

confidence: 97%

Section: Heat Release Ratementioning

confidence: 99%

The influence of thermal barrier coating on an LHR engine fueled by soybean biodiesel blended with various additive spectrums: Performance, combustion, and emission analysis

2023

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“…However, the EGT is a serious indicator of the temperature in the post-burning phase. EGT varies according to fuel specifications and engine operating conditions [19]. Fig.…”

Section: Exhaust Gas Temperaturementioning

confidence: 99%

“…Moreover, when carbon molecules are burned, CO2 is formed as an end product of combustion due to high postcombustion temperature. This means that there is enough oxygen for oxidation which leads to achieve complete combustion and to produce CO2 in the exhaust [19].…”

Section: Carbon Monoxide (Co) and Carbon Dioxide (Co2) Emissionsmentioning

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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“…It is well-known that adding oxygenated fuels to diesel fuel can effectively reduce the particulate matter (PM) and NOx emissions of compression ignition engines. − As an alternative renewable source, alcohols are considered as one of the most promising additives for fossil fuels. Until now, a large amount of efforts has been carried out to investigate the effect of alcohols on the performance, exhaust emissions, and combustion characteristics of fossil fuels under diesel engine conditions, especially for low carbon number monohydric alcohols, namely methanol up to butanol. − Owing to the hydroxyl functional group in the alcohol molecule, the oxidation of the fossil fuels can be more efficient and cleaner, and less PM are formed.…”

Section: Introductionmentioning

confidence: 99%

Experimental and Kinetic Studies of Ethylene Glycol Autoignition at High Temperatures

Wang

Ding

et al. 2022

ACS Omega

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As one of the simplest polyols with chemical properties of alcohol, ethylene glycol is considered as a renewable energy source and a model fuel for pyrolysis oil. In this work, autoignition characteristics of ethylene glycol have been investigated behind reflected shock waves. Experiments were conducted at pressures of 2, 5, and 10 atm, equivalence ratios of 0.5, 1.0, and 2.0, and temperatures ranging from approximately 1200 to 1600 K. The fuel concentration was also varied. Results show that the ignition delay time increases with decreasing the pressure or fuel concentration. A strong positive dependence upon the equivalence ratio was found. A quantitative relationship has been yielded by the regression analysis of the experimental data. Simulations were carried out using chemical kinetic mechanisms available in the literature to assess the reliability of mechanism. Reaction pathway and sensitivity analysis confirmed the importance of H-abstraction reactions in ethylene glycol oxidation process. Finally, a comparison between ethylene glycol and ethanol ignition was conducted. Ethylene glycol ignites faster than ethanol because of the early accumulation of H and OH radicals in the oxidation of ethylene glycol.

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An extensive investigation of utilization of a C8 type long-chain alcohol as a sustainable next-generation biofuel and diesel fuel blends in a CI engine – The effects of alcohol infusion ratio on the performance, exhaust emissions, and combustion characteristics

Cited by 30 publications

References 133 publications

The influence of thermal barrier coating on an LHR engine fueled by soybean biodiesel blended with various additive spectrums: Performance, combustion, and emission analysis

The influence of thermal barrier coating on an LHR engine fueled by soybean biodiesel blended with various additive spectrums: Performance, combustion, and emission analysis

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

Experimental and Kinetic Studies of Ethylene Glycol Autoignition at High Temperatures

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