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dieselfuel, etc ; biodiesel; chickens; combustion; energy; energy use and consumption; esterification; feedstocks; heat; oils; opacity; smoke; temperature; transesterification; wastes; Show all 15 Subjects
Abstract:
... High volatility in fuel prices, energy security issues, and concerns about rising emissions have always driven researchers to search for renewable alternative fuels. Therefore, researchers have agreed on the idea that biodiesel fuels obtained from the various feedstocks have been the best alternative to conventional fuels. Accordingly, in the present research, the chicken oil biodiesel is first pr ...
dieselfuel, etc ; COVID-19 infection; environment; pollution; Show all 4 Subjects
Abstract:
... A recent study by Pini et al. (2021), focusing on year 2018, demonstrated that different strategies should be considered in different Italian cities to mitigate the effects of PM10 pollution produced by circulating cars and commercial vehicles. The current study focuses on year 2020, considering the same ten Italian cities. This new study relies on the estimation of specific indices used to assess ...
dieselfuel, etc ; air; carbon monoxide; combustion; hydrogen; soot; Show all 6 Subjects
Abstract:
... Premixed Charge Compression Ignition (PCCI) is one of the well-known ways to achieve low NOx and Soot emissions in Internal Combustion engines. However, this strategy has shown limited scope to bring down the Carbon Monoxide (CO) and Hydrocarbons (HC) emissions. To overcome this drawback, a novel attempt had been made to use oxy hydrogen gas as fuel additive in the PCCI engine. The conventional CI ...
dieselfuel, etc ; air; biodiesel; liquids; mass flow; temperature; Show all 6 Subjects
Abstract:
... The liquid fuel breakup mechanism in spray injection with ambient air for diesel and biodiesel at different fuel temperatures is studied numerically. We find that biodiesel fuel type injection with low fuel temperature induces more air entrainment volume to the boundary of the spray than diesel fuel injection and higher fuel temperature. Meanwhile, the normalized parcel density for biodiesel is 12 ...
dieselfuel, etc ; combustion; methanol; particle size; soot; temperature; thermogravimetry; Show all 7 Subjects
Abstract:
... The use of renewable methanol partly substituting diesel fuel can support the transition to low-carbon engines, in the form of diesel/methanol dual-fuel combustion. Particulate filters are still required for diesel/methanol dual-fuel combustion engines to meet the emission standard. Their periodical regeneration depends on the soot oxidation reactivity and nanostructure. We therefore assessed the ...
dieselfuel, etc ; antioxidants; biodiesel; catechol; diesel engines; energy; oxidative stability; Show all 7 Subjects
Abstract:
... The present study is aimed to discover and equate effect of daok biodiesel-diesel and daok biodiesel-antioxidant additive catechol-diesel blends on performance and emission characteristics (PEC) of a direct-injection diesel engine. Tests are conducted on daok biodiesel percentage of 10, 20, 40, 60 and 100% at variable engine loads and compression ratios (CRs) with 1500 rpm. At First, several pilot ...
dieselfuel, etc ; butanol; clean energy; combustion; energy; ethanol; neural networks; Show all 7 Subjects
Abstract:
... The increase in global energy consumption and concerns about fossil fuels depletion are pushing the demand for renewable and clean energy sources. Alcohols are a promising candidate for internal combustion engines as alternative fuels. This study aims to reveal the effect of a ternary blend, which is denominated D80E10nB10, consisting of diesel (80%), ethanol (10%), and n-butanol (10%) on combusti ...
dieselfuel, etc ; analytical chemistry; biodiesel; combustion; risk; temperature; thermal conductivity; Show all 7 Subjects
Abstract:
... Nanoparticles showed their efficacy in every aspect of engineering applications due to their exceptional properties. The objective of the present work is to critically present a brief overview of improvement in engine performance and reduction in exhaust emissions due to the addition of nanosize fuel additives both in diesel or blended diesel fuel. It is found that the addition of fuel additives e ...
dieselfuel, etc ; adsorption; catalysts; desulfurization; energy; nanoflowers; oxygen; titanium dioxide; Show all 8 Subjects
Abstract:
... To prevent SOₓ emission and produce low-sulfur diesel oil, we develop a 3D assembly TiO₂ nanoflower catalyst with controllable oxygen vacancies for oxidative desulfurization (ODS) in diesel oil. The roles of oxygen vacancy (OV) and associated Ti³⁺ in TiO₂ are fully discussed: the increased OV and Ti³⁺ are beneficial for the promoted chemical adsorption of peroxy groups, from − 0.5 eV to − 1.26 eV; ...
dieselfuel, etc ; air; emissions factor; environmental science; particulates; stoichiometry; technology; Show all 7 Subjects
Abstract:
... The influence of different air entrainment conditions on the emissions of particulate matter from fire whirls was investigated by igniting a diesel fuel pool, 0.7 m in diameter, within a four-walled enclosure. Four different natural entrainment conditions resulted when gap sizes in the walls were varied between 0.35 and 0.65 m. In addition, three forced-entrainment conditions were created by holdi ...
dieselfuel, etc ; Dunaliella tertiolecta; biodiesel; carbon dioxide; microalgae; oils; transesterification; Show all 7 Subjects
Abstract:
... In this study, the performance and emission characteristics of produced biodiesel from Dunaliella tertiolecta microalgae are investigated for the first time. To achieve reliable results, all production stages including cultivation, harvesting, oil extraction, and transesterification are executed in the current study. The cetane number and heating value of the produced biodiesel from Dunaliella ter ...
dieselfuel, etc ; air; carbon dioxide; combustion; compressors; natural gas; particulates; soot; Show all 8 Subjects
Abstract:
... Compressed natural gas (CNG)/diesel reactivity-controlled compression ignition was investigated to understand the combustion and emission characteristics over wide ranges of intake pressure and exhaust gas recirculation (EGR) rate at high load condition. Reactivity-controlled compression ignition is a dual fuel engine combustion strategy that employs in-cylinder fuel blending with two different re ...
dieselfuel, etc ; atomization; biodiesel; combustion; energy; geometry; heat recovery; liquids; temperature; Show all 9 Subjects
Abstract:
... Micro gas turbine (MGT) is one of the main candidates for green distributed cogeneration since it allows the utilization of wider range of renewable fuel sources. A new chamber geometry was designed and optimized for liquid biofuels combustion. Prior to the testing of the chamber, a cold-flow fuel atomization test rig was tested with different fuel injector sizes covering flow range of 50–200 ml/m ...
dieselfuel, etc ; biofuels; butanol; diesel engines; energy use and consumption; temperature; Show all 6 Subjects
Abstract:
... This paper evaluates and compares the effect of using three types of alcohol as additives butanol (B), Acetone-butanol-ethanol (ABE) and Butanol-acetone (BA) each blended with diesel (D). The test was conducted on a single-cylinder diesel engine at 10% and 20% of B, ABE, BA and D by volume at different engine speeds of 1400, 2000 and 2600 rpm. Diesel fuel was also tested as a baseline for comparis ...
dieselfuel, etc ; antifouling activities; chloroform; ethyl acetate; hexane; hydrophobicity; rapeseed oil; Show all 7 Subjects
Abstract:
... A superhydrophobic copper mesh was prepared by a quick and straightforward two-step soaking operation to form the micro-nano coralline-like rough structure for oil/water separation. The modified copper mesh was characterized by SEM, EDS, FTIR, XRD, XPS, and WCAs. The obtained superhydrophobic copper mesh (WCA = 158.7°) showed excellent mechanical and chemical stability. The modified copper mesh al ...
I. Nur Azreena; H.L.N. Lau; N. Asikin-Mijan; M.A. Hassan; S. Mohd Izham; M. Safa Gamal; Wan Nor Adira Wan Khalit; Mahashanon Arumugam; E. Kennedy; M. Stockenhuber; Y.H. Taufiq-Yap
dieselfuel, etc ; catalysts; oleic acid; porous media; pyrolysis; temperature; vacuum distillation; Show all 7 Subjects
Abstract:
... In the present study, a series of La-HZSM5 catalysts were prepared through wet impregnation and investigated for the production of premium quality diesel fuel via hydrodeoxygenation (HDO) of oleic acid (OA). Several parameters were evaluated, such as reaction temperature (360–400 °C), H₂ pressure (1–5 MPa), La concentration (5–20%), catalyst loading (1–7 wt%), and reaction time (1–4 h). At a react ...
dieselfuel, etc ; energy; energy use and consumption; pipes; temperature; zinc oxide; Show all 6 Subjects
Abstract:
... Zinc oxide nano additives of 250 ppm, 500 ppm, and 1000 ppm were blended with diesel fuel. The prepared fuels which were designated as DF-250 ppm ZnO, DF-500 ppm ZnO, and DF - 1000 ppm ZnO were tested for engine characteristics along with diesel fuel (DF) in a standard bench-scale engine. All the tests were carried out at different speeds of the engine ranging between 2000 and 3000 rpm with unvary ...
dieselfuel, etc ; combustion; convection; fire safety; gasification; wind speed; wind tunnels; Show all 7 Subjects
Abstract:
... Open square fuel pools with areas of 50 m², 100 m², 200 m², 380 m², and 400 m² were used to burn RP-5 aviation fuel and diesel oil, under a well-controlled and regulated horizontal wind field with speeds ranging from 0 to 17 m/s by a large-scale open jet wind tunnel. The mean mass burning rate of the fuel in the quasi-steady period was taken as the representative value. Under the calm condition, t ...
dieselfuel, etc ; cost effectiveness; energy; generators (equipment); models; risk; system optimization; Show all 7 Subjects
Abstract:
... Independent microgrids (MGs) consisting of diesel generator (DG), photovoltaic (PV), and energy storage system (ESS) are becoming a cost effective solution for the power supply in remote areas. However, besides PV intermittence, limited reserve and time-consuming replenishment of diesel fuel in remote areas make it challenging to guarantee long-period reliable power supply. In this paper, a risk-a ...
dieselfuel, etc ; carbon; carbon markets; cost effectiveness; econometric models; energy; freight; hydrogen; Show all 8 Subjects
Abstract:
... Long-haul heavy-duty freight sector has always been relying on diesel fuel and hard to decarbonize. Hydrogen fuel-cell trucks (HFCTs) can play a critical role in substituting the diesel trucks and achieving carbon neutrality in freight sector. However, the extremely high cost has impeded their penetration. This paper proposed that government could harness freight platform to promote HFCTs by issui ...