Results 1 to 10 of about 9,329 (266)

Influence of high compression ratio on the performance of ethanol-gasoline fuelled lean burn spark ignition engine at part throttle condition

Case Studies in Thermal Engineering, 2023
As a viable solution to meet rising energy costs and reduce greenhouse gases, alcohol fuels are considered the most promising renewable fuel and ethanol is a potential fuel for spark ignition engines. In the present study, experiments were conducted on a
Devunuri Suresh, Ekambaram Porpatham
doaj   +2 more sources

Coupling a Lagrangian–Eulerian Spark-Ignition (LESI) model with LES combustion models for engine simulations

Science and Technology for Energy Transition, 2022
In the United States transportation sector, Light-Duty Vehicles (LDVs) are the largest energy consumers and CO2 emitters. Electrification of LDVs is posed as a potential solution, but SI engines can still contribute to decarbonization.
Kazmouz Samuel J., Scarcelli Riccardo, Cheng Zhen, Dai Meizhong, Pomraning Eric, Senecal Peter K., Sjöberg Magnus   +6 more
doaj   +1 more source

Ethanol/Gasoline Blends as Alternative Fuel in Last Generation Spark-Ignition Engines: A Review on CO and HC Engine Out Emissions

Energies, 2021
Among the alternative fuels existing for spark-ignition engines, ethanol is considered worldwide as an important renewable fuel when mixed with pure gasoline because of its favorable physicochemical properties.
Paolo Iodice, Massimo Cardone
doaj   +1 more source

Simulation and Research of Methane Premixed Combustion Characteristics Based on Constant Volume Combustion Chamber with Different Ignition Modes

Energies, 2023
Dual spark plug ignition can accelerate the burning velocity of nature gas and improve the engine performance. However, the mechanism between the two flames and the disturbance characteristics of flame to flow field during the combustion process under ...
Yue Wang, Xin Zhang, Xinmiao Fan, Yanfei Li   +3 more
doaj   +1 more source

Numerical Investigation of the Effects of Engine Speed on Performance and Combustion Characteristics on a Converted Spark-Ignition Natural Gas Engine

Gazi Üniversitesi Fen Bilimleri Dergisi, 2022
In this study, the effects of different engine speed values on performance and combustion characteristics were investigated by converting a diesel engine to a spark-ignition engine using natural gas.
Fatih AKTA
doaj   +1 more source

Assessment of the Environmental Impact of Using Methane Fuels to Supply Internal Combustion Engines

Energies, 2021
This research paper studied the environmental impact of using methane fuels for supplying internal combustion engines. Methane fuel types and the methods of their use in internal combustion engines were systematized.
Krzysztof Biernat, Izabela Samson-Bręk, Zdzisław Chłopek, Marlena Owczuk, Anna Matuszewska   +4 more
doaj   +1 more source

Performance and emission study of low HCNG fuel blend in SI engine with fixed ignition timing

Cogent Engineering, 2022
Natural gas (NG) has many advantages of clean fuels and can replace gasoline in spark ignition (SI) engines. However, it comes with disadvantages such as low energy density. Hydrogen blended NG can improve the fuel characteristics.
Vivek Pandey, Suresh Guluwadi, Gezahegn Habtamu Tafesse   +2 more
doaj   +1 more source

Experimental Study and Optimisation of a Non-Conventional Ignition System for Reciprocating Engines Operation with Hydrogen–Methane Blends, Syngas, and Biogas

Energies, 2022
The paper deals with the experimental study of a medium-load spark ignition engine under operation with different fuel mixtures among those deemed as promising for the transition towards carbon-free energy systems. In particular, the performance of a non-
Luigi De Simio, Sabato Iannaccone, Massimo Masi, Paolo Gobbato   +3 more
doaj   +1 more source

Comparative Study of Performance and Emission Characteristics between Spark Ignition Engine and Homogeneous Charge Compression Ignition Engine (HCCI)

Al-Khawarizmi Engineering Journal, 2017
Many researchers consider Homogeneous Charge Compression Ignition (HCCI) engine mode as a promising alternative to combustion in Spark Ignition and Compression Ignition Engines. The HCCI engine runs on lean mixtures of fuel and air, and the combustion is
Nahedh Mahmood Ali
doaj   +1 more source

The Effect of Intake Valve Timing on Spark-Ignition Engine Performances Fueled by Natural Gas at Low Power

Energies, 2022
To reduce the greenhouse effect, it is important to reduce not only carbon dioxide but also methane emissions. Methane gas can be not only a fossil fuel (natural gas) but also a renewable energy source when it is extracted from biomass.
Alfredas Rimkus, Tadas Vipartas, Donatas Kriaučiūnas, Jonas Matijošius, Tadas Ragauskas   +4 more
doaj   +1 more source