Energy outputs and emissions of biodiesels as a function of coolant temperature and composition

Hossain, Abul Kalam; Sharma, Vikas; Ahmad, Gulzar; Awotwe, Tabbi

doi:10.1016/j.renene.2023.119008

Cited by 6 publications

(4 citation statements)

References 32 publications

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“…This phenomenon has the potential to result in a diminished exergy efficiency when compared to energy efficiency. The acquired performance values demonstrate a significant concurrence with those reported in the extant literature 24 .…”

Section: Resultssupporting

confidence: 84%

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Exergy-energy, sustainability, and emissions assessment of Guizotia abyssinica (L.) fuel blends with metallic nano additives

Abishek,

Kachhap,

Rajak

et al. 2024

Sci Rep

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This study extensively examined the impact of aluminium oxide (Al2O3) and titanium dioxide (TiO2) nanoparticles addition in the biodiesel fuel derived from Guizotiaabyssinica (L.) oil. The assessment of fuel blends, which were created by combining nanoparticles and biodiesel was conducted using energy, exergy, and sustainability indices. The highest recorded power output of 2.81 kW was observed for the GAB20A engine operating at 1800 rpm. The experimental results revealed that the GAB20A exhibited the lowest fuel consumption, with a recorded value of 203 g/kWh, when operated at 1600 rpm among all the tested blend fuels. The blend GAB20A exhibited the highest level of energy efficiency at 1600 rpm of 29.5%, as determined by the study. Simultaneously, it was observed that GAB20 exhibited the lowest energy efficiency at 1200 rpm among all the blend fuels at 25%. The emission levels of nitrogen oxides (NOx) and carbon monoxide (CO) were observed to be quite low, although a little rise in carbon dioxide (CO2) was detected. For validation of results the artificial neural network (ANN) was used and an average of 1.703% difference in energy efficiency, 2.246% decrease in exergy efficiency, and 1.416% difference in sustainability index was found.

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Section: Resultssupporting

confidence: 84%

“…The engine acquires energy in the form of chemical energy from the fuel, as well as the energy of the incoming air. The energy indicated before is transformed into output power, energy present in the exhaust gas, and heat transfer 24 . The study of the energy and exergy of the engine control volume shown in Fig.…”

Section: Methodology and Methodsmentioning

confidence: 99%

Exergy-energy, sustainability, and emissions assessment of Guizotia abyssinica (L.) fuel blends with metallic nano additives

Abishek,

Kachhap,

Rajak

et al. 2024

Sci Rep

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“…The concentrations of Biodiesel in the mixtures reduced CO formation during tests with resistive electrical loads on the motor generator. As observed in the graph, the formation of CO emissions depends on the concentration of Biodiesel in the mixture and, in turn, demonstrates dependence on the physicochemical properties of the fuels [36]. The CO emission from cotton biodiesel is lower than that of diesel oil.…”

Section: Fig 9 Carbon Monoxide Emissionmentioning

confidence: 86%

Experimental Investigation of Cottonseed Biodiesel and Biodiesel Blends in a 14 kW Diesel Generator: Effects on Performance, Emissions, and Engine Parameters

Kandasamy,

Dhairiyasamy,

Rajendran

2024

AEF

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This investigation presents an experimental study on the performance, specific fuel consumption, and exhaust emissions of a 14-kW diesel engine generator fueled with neat cottonseed biodiesel and biodiesel/diesel blends. Cotton biodiesel was chosen due to its importance as an agricultural crop and potential as a biodiesel feedstock. The fuels tested were (B100 - pure cotton biodiesel), (B7 - 7% biodiesel, 93% Petro diesel), (B20 - 20% biodiesel), (B30 -30% biodiesel), (B50 - 50% biodiesel), and (B70 - 70% biodiesel). The generator was tested at various loads from 0-14 kW. Properties like viscosity, density, and calorific value were measured for each fuel. The results showed that brake thermal efficiency increased with load for all fuels but was lower for higher biodiesel blends. Exhaust gas temperature followed a similar trend. Specific fuel consumption increased with biodiesel content, attributed to the lower energy density of Biodiesel. B100 had the highest NOx emissions but the lowest carbon monoxide and smoke emissions. The study concludes that cottonseed biodiesel and blends can replace Petro diesel in diesel generators. Increasing biodiesel content causes slight reductions in performance but improvements in emissions. The results provide insights into using cotton biodiesel in engines and generators.

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“…Initially, trans-esterified vegetable oil (biodiesel) was used in diesel engines in South Africa before World War II. After this, it is known as 'biodiesel' (Hossain et al, 2023). Furthermore, biodiesel can be obtained from straight-chain vegetable oils, edible and non-edible cooking oil, and animal fat (Rajpoot et al, 2023).…”

Section: Introductionmentioning

confidence: 99%

Analysis of metal concentration, performance and noise emissions of the CI engine

Mahaser,

Bhangwar,

Khan

et al. 2023

Nat. App. Sci. Int. J.

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Biodiesel is a substitute for diesel fuel and is highly required to control global warming and reduce dependence on limited petroleum reserves. Replacement of diesel fuel is unavoidable due to the depletion of oil reserves and environmental threats to existing life on the earth. This study used single-cylinder, four-stroke Compression Ignition (CI) engines for experimental work. An endurance test was conducted on the engine using diesel fuel (D100) and biodiesel blended fuel for 105 hours at 1300 rpm. During the endurance test, a multi-elemental of lubricant oil was conducted. It was found that the average wear concentration in lubricant oil was lower in biodiesel blended fuel than in diesel fuel. In this regard, elemental reduction was observed as AL (38.8%), Cr (67.7%), Fe (58.2%) and Mn (17.89%), respectively. Besides this, higher viscosity and density of lubricant oil were observed on B30 compared to D100. Furthermore, engine performance was determined and resulted from low brake thermal efficiency in diesel compared to biodiesel. The engine’s noise was also calculated during operating hours at various positions such as front, left and back. It was determined that it was reduced at the mentioned positions for B30 compared to D100.

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Energy outputs and emissions of biodiesels as a function of coolant temperature and composition

Cited by 6 publications

References 32 publications

Exergy-energy, sustainability, and emissions assessment of Guizotia abyssinica (L.) fuel blends with metallic nano additives

Exergy-energy, sustainability, and emissions assessment of Guizotia abyssinica (L.) fuel blends with metallic nano additives

Experimental Investigation of Cottonseed Biodiesel and Biodiesel Blends in a 14 kW Diesel Generator: Effects on Performance, Emissions, and Engine Parameters

Analysis of metal concentration, performance and noise emissions of the CI engine

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