Results 71 to 80 of about 7,208 (307)
Advances in Mechanical EngineeringMethanol, a versatile carbon-neutral fuel, offers significant potential for reducing greenhouse gas emissions in spark-ignition (SI) engines. This study systematically compares the combustion and emission characteristics of methanol and gasoline under ...
Wei Duan +4 more
doaj +1 more source
Multi-fidelity strategies for lean burn combustor design
, 2012 In combustor design and development, the use of unsteady computational fluid dynamics (CFD) simulations of transient combustor aero-thermo-dynamics to provide an insight into the complex reacting flow-field is expensive in terms of computational time.
Wankhede, Moresh J., Wankhede, Moresh J
core
, 2017 Lean-burn gasoline engines have demonstrated 10–20% engine efficiency gain over stoichiometric engines and are widely considered as a promising technology for meeting the 54.5 miles-per-gallon (mpg) Corporate Average Fuel Economy standard by 2025 ...
Qinghua Lin +2 more
core +1 more source
Biomass Native Structure Into Functional Carbon‐Based Catalysts for Fenton‐Like Reactions
Advanced Functional Materials, EarlyView.This study indicates that eight biomasses with 2D flaky and 1D acicular structures influence surface O types, morphology, defects, N doping, sp2 C, and Co nanoparticles loading in three series of carbon, N‐doped carbon, and cobalt/graphitic carbon. This work identifies how these structural factors impact catalytic pathways, enhancing selective electron
Wenjie Tian +7 more
wiley +1 more source
Numerical analysis of misfire in an automotive lean-burn direct-injection spark-ignition engine
Case Studies in Thermal EngineeringCharge dilution strategies, such as exhaust gas recirculation and lean-burn operation, enhance internal combustion engine (ICE) efficiency and reduce NOx emissions.
Linus Engelmann +3 more
doaj +1 more source
Effects of Fuel Split Ratio on NOₓ Emissions of a Lean-burn Staged Combustor
, 2022 Aviation NOₓ emissions are a significant factor in causing air quality deterioration, leading to potentially 16,000 annual premature deaths globally. To cope with the expected increase in air traffic demand in the near future, aircraft-based lean-burn ...
Chen, Yang
core
Simulation aided development of pre-chamber ignition system for a lean-burn gasoline direct injection motor-sport engine [PDF]
, 2020 Due to recent regulation changes to restricted fuel usage in various motor-sport events, motor-sport engine manufacturers have started to focus on improving the thermal efficiency and often claim thermal efficiency figures well above equivalent road car ...
Ellis, M +3 more
core +1 more source
Counterion Dependent Side‐Chain Relaxation Stiffens a Chemically Doped Thienothiophene Copolymer
Advanced Functional Materials, EarlyView.Oxidation of a thienothiophene copolymer, p(g3TT‐T2), via different doping strategies and dopant molecules resulted in materials with similar oxidation levels and a high electrical conductivity of ≈100 S cm−1. However, mechanical properties varied significantly, with sub‐glass transition temperatures and elastic moduli spanning from –44°C to –3°C and ...
Mariavittoria Craighero +12 more
wiley +1 more source
Study of combustion timing control in hydrogen mixed gas engine
Nihon Kikai Gakkai ronbunshuThis study focuses on the combustion timing control in hydrogen mixed combustion of a spark ignition gas engine. Especially, we examined the effect of hydrogen mixed ratio and air excess ratio on the combustion feature under same engine conditions.
Atsushi SHIMADA +4 more
doaj +1 more source
Lean burn limit and time to light characteristics of laser ignition in gas turbines
, 2014 This work details a study of laser ignition in a low pressure combustion test rig, representative of an industrial gas turbine (SGT-400, Siemens Industrial Turbomachinery Ltd.) and for the first time investigates the effect of air mass flow rate on ...
Dowding, Colin +5 more
core +1 more source