Showing papers on "Diesel engine published in 2022"
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TL;DR: In this paper , a three-dimensional computational fluid dynamics (CFD) model of a diesel engine cylinder was developed by AVL-Fire software, and a chemical reaction mechanism containing 377 reactions and 81 species was established by the CHEMKIN program.
77 citations
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TL;DR: In this paper , the effects of different fuel blending ratios on the spray, combustion, and emission characteristics of diesel engine in terms of cylinder pressure, cylinder temperature, heat release rate, brake specific fuel consumption, brake power, brake thermal efficiency, NOx emission, soot emission, CO emission, and HC emission.
62 citations
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TL;DR: In this article , the effects of fuel additive rate on spray, combustion and emission characteristics are investigated, and a computational modeling is developed by the chemical kinetics mechanism, including 81 species and 358 reactions.
58 citations
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TL;DR: In this article, the effects of advanced injection timing combined with dual-fuel mode on the diesel engine's overall performance, emission, and combustion characteristics under various loading conditions were investigated.
55 citations
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TL;DR: In this article , a single-cylinder, heavy-duty diesel engine is used to investigate the effect of ammonia energy fraction and start of diesel injection (SODI) timing on the combustion performance and emissions of the ADDF engine.
51 citations
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TL;DR: In this article , the effects of advanced injection timing combined with dual-fuel mode on the diesel engine's overall performance, emission, and combustion characteristics under various loading conditions were investigated.
49 citations
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13 May 2022
TL;DR: In this article , an experimental work is done to identify a suitable solution to control CO2 emissions in a long-range diesel engine by passing diesel exhaust through three types of amino solutions (L-alanine, L-aspartic acid, and L-arginine).
Abstract: Due to the increased demand for global transportation needs, a long-range diesel engine is considered an important prime mover to fulfill the transportation demand. The major problem addressed by the diesel engines is it liberates harmful emissions and it also increases global warming. CO2 is considered an important greenhouse gas and it has to be controlled by diesel engines. In this research, extensive experimental work is done to identify a suitable solution to control CO2 emissions. For five different mole concentrations (0.1 to 0.5), three types of amino solutions (L-alanine, L-aspartic acid, and L-arginine) were prepared. By passing diesel exhaust through each solution, CO2 absorption is investigated. For CO2 absorption, an appropriate CO2 control system is built and tested. The tests were carried out in a diesel engine which is a naturally aspirated single-cylinder engine with a water-cooled system. It was possible to obtain an effective CO2 reduction of up to 90%, as well as a simultaneous reduction in HC and CO.
47 citations
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TL;DR: In this paper , anhydrous ethanol was directly mixed with diesel fuel and applied to an old diesel engine to improve nitrogen oxides (NOx)-smoke trade-off relationship.
47 citations
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TL;DR: In this article , the effect of hydrogen addition with biodiesel/vegetable oil from various sources in a Compression Injection (CI) engine was evaluated. And the results showed that hydrogen induction in general improves the engine performance as compared to biodiesel and vegetable oil.
46 citations
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TL;DR: In this paper , the best performance, combustion and emission characteristics of a marine engine fueled with hydrogen (5%, 10% and 15% energy fraction), water (2, 4 and 6 wt%) and rapeseed methyl ester (RME) blend fuel by the multi-objective optimization was achieved.
44 citations
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TL;DR: In this paper , the behavior analysis of a CI engine powered by diesel, Euglena Sanguinea (ES), and their blends (ES20D80, ES40D60, ES60D40, ES80D20) is presented.
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TL;DR: In this article , a recently invented algorithm known as the grasshopper optimization algorithm (GOA) was employed to optimize diesel engine performance and emission operated with ternary fuel (ethanol-biodiesel-diesel) blends.
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TL;DR: In this article, the effect of biodiesel-diesel oil (B0, B25, and B50) ratios on regulated emissions from EPA Tier II marine propulsion engine at different loads was investigated.
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TL;DR: In this article , the authors investigated the RCCI mode of operation in a light-duty diesel engine by introducing Cottonseed oil biodiesel as high reactivity fuel directly into the combustion chamber and n-pentanol as low-reactivity fuel intake.
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TL;DR: In this paper , the effect of biodiesel-diesel oil (B0, B25, and B50) ratios on regulated emissions from EPA Tier II marine propulsion engine at different loads was investigated.
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TL;DR: In this article , the authors compared the performance of two machine learning algorithms, the random forest (RF) and the artificial neural network (ANN), in predicting engine responses related to in-cylinder combustion phenomena.
Abstract: Abstract Machine learning (ML) models can accelerate the development of efficient internal combustion engines. This study assessed the feasibility of data-driven methods toward predicting the performance of a diesel engine modified to natural gas (NG) spark ignition (SI), based on a limited number of experiments. As the best ML technique cannot be chosen a priori, the applicability of different ML algorithms for such an engine application was evaluated. Specifically, the performance of two widely used ML algorithms, the random forest (RF) and the artificial neural network (ANN), in forecasting engine responses related to in-cylinder combustion phenomena was compared. The results indicated that both algorithms with spark timing (ST), mixture equivalence ratio, and engine speed as model inputs produced acceptable results with respect to predicting engine performance, combustion phasing, and engine-out emissions. Despite requiring more effort in hyperparameter optimization, the ANN model performed better than the RF model, especially for engine emissions, as evidenced by the larger R-squared, smaller root-mean-square errors (RMSEs), and more realistic predictions of the effects of key engine control variables on the engine performance. However, in applications where the combustion behavior knowledge is limited, it is recommended to use a RF model to quickly determine the appropriate number of model inputs. Consequently, using the RF model to define the model structure and then using the ANN model to improve the model’s predictive capability can help to rapidly build data-driven engine combustion models.
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TL;DR: In this paper , the status, preparation methods, the influence and measures of sulfur dioxide (SO2) on catalysts, and the methods of developing anti-SO2 catalysts in the future of diesel oxidation catalyst were discussed.
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TL;DR: In this article , an ammonia engine model was constructed to evaluate the performance and emissions characteristics of a two-stroke marine engine with a premixed dual-fuel engine ignited by the pilot fuel (diesel) injected into the prechamber.
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TL;DR: In this paper, the authors used response surface methodology (RSM) to determine the optimum engine operating condition of dual-fired engines using low grade coal-based producer gas (PG) and diesel.
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TL;DR: In this article , the performance of the dual-fuel engine based on brake thermal efficiency (BTE) and volumetric efficiency remains significantly lower compared to a normal diesel engine, and the emission characteristics indicated a trade-off between nitrogen oxides and hydrocarbon emissions, and reduced nitrogen Oxides, particulate matter, and smoke were influenced by engine load, blend ratio, and injection timing.
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TL;DR: In this paper , an Artificial Neural Network (ANN) and Response Surface Methodology (RSM) were used to predict engine responses with mean absolute percentage error (MAPE) in the range of 3.787-10.730%.
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TL;DR: In this paper, an Artificial Neural Network (ANN) and Response Surface Methodology (RSM) were used to predict engine responses with mean absolute percentage error (MAPE) in the range of 3.787-10.730%.
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TL;DR: In this article , the effects of adding t-butyl peroxide (TB) additive with diesel fuel and biodiesel originated from Mahua oil and waste Palm oil in form of quaternary blends with varying injection timing (21obTDC (before Top Dead Centre), 23obTLC, and 25obTCC) on performance, emission, and combustion characteristics of a diesel engine were examined.
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TL;DR: In this paper , a multi-layer perceptron network was employed to develop an Artificial Neural Network (ANN) based prognostic model using the experimental data, which was used to estimate brake thermal efficiency, biogas flow rates, peak in-cylinder pressure, carbon dioxide, unburned hydrocarbons, oxides of nitrogen, and carbon monoxide.
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TL;DR: In this paper, the authors deal with the production and utilization of waste cooking oil biodiesel and nanoparticles blends in the direct ignition engine, and the nanoparticles added blends were reinforced with hydrogen flow while conducting the tests.
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TL;DR: In this paper , the effect of split diesel injection strategy (i.e., two-pulse diesel injection) on an ammonia/diesel dual-fuel (ADDF) engine is investigated under medium load operating conditions.
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TL;DR: In this paper , the performance, combustion, emission characteristics, and tribology behaviors of diesel engines running on metal nanoparticles-laden biodiesel are compared to diesel fuel in detail, and some drawbacks are also indicated, such as increased NOx emission and brake-specific fuel consumption.
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TL;DR: In this article , the authors used response surface methodology (RSM) to determine the optimum engine operating condition of dual-fired engines using low grade coal-based producer gas (PG) and diesel.
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TL;DR: In this paper, the effects of low intake pressure and alcohol additives on the performance of diesel engines were investigated under different intake pressure levels, such as 1.2, 1.0, 0.8, and 0.6, and the results showed that diesel/propanol and diesel/pentanol had longer ignition delays and shorter combustion durations.