Results 31 to 40 of about 2,838 (263)

Effects of passive pre-chamber jet ignition on combustion and emission at gasoline engine

open access: yesAdvances in Mechanical Engineering, 2021
Pre-chamber jet ignition is a promising way to improve fuel consumption of gasoline engine. A small volume passive pre-chamber was tested at a 1.5L turbocharged GDI engine.
Wei Duan   +5 more
doaj   +1 more source

Polymorph‐Specific Electronic Transduction in WO3 during Molecular Sensing

open access: yesAdvanced Materials, EarlyView.
Metal‐oxide polymorphs with similar surface chemistry can nevertheless exhibit distinct sensing properties. In γ‐ and ε‐WO3, analyte adsorption appears comparable; yet, only ε‐WO3 induces a pronounced lattice electronic perturbation that accommodates charge in sub‐conduction band minimum states.
Matteo D'Andria   +6 more
wiley   +1 more source

Analysis of the Automotive Ignition System for Various Conditions

open access: yesCommunications, 2020
Paper presents diagnostic analysis of automotive ignition system for various working and adverse conditions in laboratory. Description and importance of basic diagnostics of automotive ignition system are examined in the first part of the paper.
Matej Kucera   +4 more
doaj   +1 more source

Combined influence of ignition chamber volume and spark plug channel diameter on the performance of small-scale natural gas Wankel rotary engine

open access: yesEngineering Applications of Computational Fluid Mechanics, 2021
To improve the poor in-cylinder combustion condition of the small spark ignition Wankel rotary engine (SI-WRE) and improve its efficiency, this paper conducted a comprehensive optimization of its ignition environment.
Huichao Jiao   +3 more
doaj   +1 more source

Experimental investigation of alcohol blending effect on the performances of a single cylinder spark-ignition marine engine

open access: yesInternational Journal of Automotive Science and Technology, 2021
This work represents an experimental study on the performances of a single cylinder spark-ignition marine engine fueled by ethanol blends. Several studies have been carried out to investigate the use of alternative fuels in spark-ignition engines to ...
Mehrez Gassoumi   +4 more
doaj   +1 more source

Designing Strong, Tough, Fire‐Retardant and Self‐Healing Elastomers with Phosphorus/Nitrogen‐ and Biphenyl‐Containing Segments

open access: yesAdvanced Materials, EarlyView.
By designing a P/N‐ and π–π interacting biphenyl‐containing diol as hard segments but side groups, a strong, tough, fire‐extinguishing and self‐healing elastomer is developed, demonstrating a break strain of ∼2500%, a toughness of 379 MJ/m3 and a tensile strength of 46 MPa, as well as a healing efficiency of 95% (tensile strength) and 99% (break strain)
Yijiao Xue   +11 more
wiley   +1 more source

Knock Detection in Spark Ignition Engines Base on Complementary Ensemble Empirical Mode Decomposition-Hilbert Transform

open access: yesShock and Vibration, 2016
In spark ignition engines, knock onset limits the maximum spark advance. An inaccurate identification of this limit penalises the fuel conversion efficiency.
Fengrong Bi   +4 more
doaj   +1 more source

Numerical Study and Experimental Validation of Minimum Ignition Energy for Microwave Spark Ignition

open access: yesIEEE Access, 2021
Microwave plasma ignition has the potential for energy savings and emission reductions, and the minimum ignition energy (MIE) and the lean limit can be determined by microwave spark plugs (MSPs) under the same microwave power. To predict the relationship
Yaoyao Wang   +3 more
doaj   +1 more source

Photocatalytic Water Splitting on the Lunar Surface: Prospects for In Situ Resource Utilization

open access: yesAdvanced Materials Interfaces, EarlyView.
Water has been found in craters on the moon nearby locations which are illuminated >80% of the time. Photocatalysis uses energy from sunlight to drive chemical reactions such as water splitting to produce oxygen and hydrogen. It is a scalable technology that requires lighter equipment and utilizes resources available on the moon. ABSTRACT The discovery
Ranjani Kalyan   +6 more
wiley   +1 more source

Stabilizing Electrochemical Interfaces With Multifunctional Cobalt Nitride Layers

open access: yesAdvanced Materials Interfaces, EarlyView.
Cobalt nitrides emerged recently as an interesting class of earth‐abundant oxygen evolution catalysts. Herein, plasma‐enhanced atomic layer deposition is used to synthesize multifunctional cobalt nitride layers that simultaneously protect and catalytically activate photoelectrode surfaces.
Matthias Kuhl   +7 more
wiley   +1 more source

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