Energy-exergy analyses of hydrogen enriched⸺ diesel and blended biofuel (Azolla pinnata macroalgae) on the dual fuel diesel engine

International Journal of Hydrogen Energy, Год журнала: 2024, Номер 93, С. 1535 - 1548

Опубликована: Ноя. 11, 2024

Язык: Английский

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Evaluation of Statistical and Machine Learning Analysis on CRDI Engine using Ternary Fuel doped with Cerium Oxide Nanoadditives

Energy Conversion and Management, Год журнала: 2024, Номер 316, С. 118823 - 118823

Опубликована: Июль 24, 2024

Язык: Английский

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Optimizing the Conversion of Waste Plastic into Suitable Engine Fuel through Response Surface Methodology

Process Safety and Environmental Protection, Год журнала: 2024, Номер 191, С. 1089 - 1110

Опубликована: Сен. 6, 2024

Язык: Английский

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Thermodynamic simulation study on compression ignition engine operating with oil obtained via catalytic pyrolysis of waste polythene covers

Sustainable Chemistry for Climate Action, Год журнала: 2024, Номер 4, С. 100041 - 100041

Опубликована: Апрель 17, 2024

In recent years, waste-to-energy systems are receiving more attention due to their dual benefit of reduction pollution caused by waste materials and reducing the overconsumption fossil fuels. Since plastic is readily available has a high heating value, it viable source energy.; garbage makes an excellent energy. Today, feedstock made up several types used quickly pyrolyze produce pyrolysis oil (PPO) or (WPO). The could be utilized in internal combustion engines heat power. current work, polythene covers were transformed into value added products utilizing fly ash catalyst obtained examined for suitability run diesel engine. primary phase simulation study performed on four-stroke single cylinder DI Compression ignition engine using Diesel-RK simulator, results indicated that, was found emit higher oxides nitrogen compared therefore secondary same simulated implementing exhaust gas recirculation at 3.5%,7%,10.5% 14% rates. end parameters get optimized 3D parametric optimization technique. Simulation Results indicate Performance such as brake power, thermal efficiency & specific fuel consumption decreased slightly under EGR conditions. Furthermore, Combustion pressure temperature decrease recirculation, similarly emission characteristics CO2, PM smoke increase with ratio while Oxides emissions significantly order reduce further, A technique adopted optimal when runs compression 16.49, injection timing 18.21 percentage 5.2%.

Язык: Английский

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Exergetic performance optimization and thermoeconomic analysis of a variable compression ratio diesel engine fueled with distilled plastic oil and diesel doped with nanographene

Proceedings of the Institution of Mechanical Engineers Part E Journal of Process Mechanical Engineering, Год журнала: 2024, Номер unknown

Опубликована: Фев. 7, 2024

Due to the fast depletion of fossil fuels, enormous concerns about environmental pollution, and advocacy for waste-to-energy drives from global perspective, compression ignition engines need a sustainable alternative fuel source. Enormous plastic wastes were generated in health sectors, particularly during post-pandemic. In this context, study intends introduce reasonable solution such waste plastics recycling by converting them into liquid oil pyrolysis followed distillation process. Distilled (DPO) extracted medical is potential diesel The performance engine significantly increases when nanographene added with DPO/diesel blends, which act as combustion improviser. energy efficiency (η 1 ), exergy 2 brake-specific consumption (BSFC), are regarded key indicators, exhibited promising results operated 20% DPO +100 ppm (20DPO100G) emulsified mixture compared normal diesel. When other combinations, ) 20DPO100G found enhanced 5.78% 10.9%, respectively, lowest 14.7% BSFC comparison optimum efficiency, minimum obtained test response surface methodology multi-objective optimization analysis 31.44%, 22.12%, 0.32 kg/kW-hr, composite desirability, D 0.974. 100 distilled blend has relative cost variation −14.583.

Язык: Английский

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Kunststoffabfälle im Kontext der SDGs

Österreichische Wasser- und Abfallwirtschaft, Год журнала: 2024, Номер 76(5-6), С. 272 - 281

Опубликована: Март 5, 2024

Zusammenfassung Die Bewältigung der globalen Herausforderungen im Bereich Kunststoffabfälle hat in den letzten Jahren zunehmende Aufmerksamkeit auf sich gezogen, insbesondere Kontext Sustainable Development Goals (SDGs) Vereinten Nationen (UN). sind zu einem integralen Bestandteil Diskussion über nachhaltige Entwicklung geworden und haben direkte Auswirkungen mehrere SDGs. Hier werden SDG 6 (Sauberes Wasser Sanitärversorgung), 7 (Bezahlbare saubere Energie), 11 (Nachhaltige Städte Gemeinden), 12 (Verantwortungsvolle Konsum- Produktionsmuster) sowie 14 (Leben unter Wasser) von zahlreichen Studien am häufigsten genannt. Kunststoffindustrie (inkl. Abfallwirtschaft) ist ein wichtiger Wirtschaftssektor; gleichzeitig bringen enorme Umweltschäden wirtschaftliche Verluste mit sich. So zeigt zum Beispiel, dass die Kunststoffabfällen terrestrischen aquatischen Ökosysteme erheblich beeinträchtigen. Kunststofflittering (Makroplastik), Mikro- Nanoplastikemissionen bedingen negative menschliche Gesundheit (Mikroplastik wurde Blut Menschen nachgewiesen) Fauna, wobei hier noch Forschungsbedarf besteht. Zudem durch Kunststoffproduktion auch Beitrag Klimawandel gegeben. Eine sachgerechte (getrennte) Kunststoffabfallsammlung eine Kunststoffbewirtschaftung, wie Reduzierung des Kunststoffverbrauchs, um das Produktionsvolumen Kunststoffemissionen aus Prozessströmen, dem Recycling Abfallentsorgung verringern, können positiven zur SDG-Zielerreichung leisten.

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Evaluation of emissions and performance of a diesel engine running on graphene nanopowder and diesel-biodiesel-ethanol blends

Research Square (Research Square), Год журнала: 2024, Номер unknown

Опубликована: Апрель 3, 2024

Today, there are environmental problems all over the world due to emission of greenhouse gasses caused by combustion diesel fuel. The excessive consumption and drastic reduction fossil fuels have prompted leaders various countries, including Iran, put use alternative clean energy sources on agenda. In recent years, biofuels addition nanoparticles fuel reduced pollutant emissions, improved environment enhanced physicochemical properties current research deals with experimental evaluation emissions performance a engine running graphene nanopowder together diesel-biodiesel-ethanol blends. variables studied included speed (in three stages: 1800, 2200 2600 rpm) types (with values 25 50 ppm), biodiesel volume percentages 4, 6 8) ethanol 2 4). results showed that power torque D86 + B8 E6 G50 increased average 20.26% 28.76% at speeds compared D100 resulted in significant CO (38.84%), UHC (21.24%) NOx (19.92%) addition, increase CO₂ (23.19%) was observed. this study clearly show is very effective method improve combustion, characteristics engines.

Язык: Английский

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Impact of nano cerium oxide addition with pyrolysis waste plastic oil on combustion, performance and emission characteristics of CRDI diesel engine

Engineering Research Express, Год журнала: 2024, Номер 6(4), С. 045551 - 045551

Опубликована: Ноя. 13, 2024

Abstract This investigation examined the effect of incorporating cerium oxide (CeO 2 ) nanoparticle into diesel and waste plastic oil (WPO) blends on combustion, performance emission characteristics engine. The WPO was extracted from low density polyethylene using pyrolysis. blending with combination D70:WPO30 D50:WPO50 prepared to evaluate engine operation. Additionally, spherical sized CeO 50 mg l −1 100 added this blend. various named as Diesel, D-WPO30, D-WPO30+Ce50, D-WPO30+Ce100, D-WPO50, D-WPO50+Ce50 D-WPO50+Ce100 were used in operate under load conditions. experiment performed water cooled common rail direct injection (CRDI) D-WPO Different such In-cylinder pressure (CP), heat release rate (HRR), ignition delay time (IDT), brake thermal efficiency (BTE), specific fuel consumption (BSFC) exhaust gas temperature (EGT), carbon monoxide (CO), hydrocarbon (HC), nitrogen (NOx) smoke opacity are studied respect different applied used. It observed that increasing nanoparticles blend improved overall Form results, D-WPO30+Ce100 showed enhanced has (EGT) 28.2%, 3% 465 °C respectively. Similarly, reduced CO, NOx, HC particularly at . concluded among all prepared, proposed

Язык: Английский

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Optimization of microalgal hydrothermal carbonization parameters using the response surface method for biochar applications in blast furnaces to reduce carbon emissions

Fuel, Год журнала: 2024, Номер 381, С. 133671 - 133671

Опубликована: Ноя. 15, 2024

Язык: Английский

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Prediction of CI Engine Performance and Emission Characteristics Powered by WPO and Diesel Fuel Blends by ANN

Journal of Mines Metals and Fuels, Год журнала: 2024, Номер unknown, С. 1307 - 1318

Опубликована: Дек. 11, 2024

The emissions and operational performance characteristics of a four-stroke compression ignition engine employing mixture pure diesel catalytic pyrolysis oil obtained from municipal plastic waste. In the current study, framework an Artificial Neural Network (ANN) is employed to simulate. maximum amount produced at 350°c - 500°c. liquid fuel that was physical were like those diesel, such as density (790 kg/m3) calorific value (39.6 mj/kg) which helped blend burn more completely effectively, improving combustion characteristics. model built used anticipate emission (smoke, hc, co, nox) metrics including (brake power, brake thermal efficiency specific consumption) for inputs parameters load volume selected blends. most accurate prediction back-propagation algorithm employed. regression coefficients (r2) 0.99801, 0.9983, 0.95753, 0.97467 bthe, bsfc emission, extremely close 1. According research work, unmodified might run on suggested alternate blend. Additionally, it indicates artificial neural networks are helpful in modelling predicting or wpo engines, may lead use wpo30 automotive engines. Major Finding: ANN powerful tool ci powered by waste oil-diesel It proved strong correlation between predictions made actual experimental data modeling new engine.

Язык: Английский

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