Results 81 to 90 of about 292,347 (297)

Performance, emissions, and lubricant oil analysis of a marine diesel engine powered by raw Schizochytrium sp. and its blends

open access: yesBiofuels, Bioproducts and Biorefining, Volume 20, Issue 1, Page 136-154, January/February 2026.
Abstract Microalgae oil (MAO), a third‐generation biofuel, can support global transportation fuel demand as a fossil fuel substitute. Schizochytrium sp. MAO is particularly promising for direct use in compression ignition (CI) engines, especially in the marine sector, due to its adaptability and high oil yield.
Victor Debnath   +3 more
wiley   +1 more source

High hydrogen content syngas fuel burning in lean premixed spherical flames at elevated pressures: Effects of preferential diffusion [PDF]

open access: yes, 2016
This study addresses the effects of preferential diffusion on flame structure and propagation of high hydrogen content (HHC) turbulent lean premixed hydrogen-carbon monoxide syngas flames at elevated pressures.
Luo, KH   +4 more
core   +1 more source

Aerobic Cyclohexane Oxidation Catalyzed by Vanadium‐Substituted LaCoO3 Perovskites in the Liquid Phase

open access: yesChemCatChem, Volume 18, Issue 1, 15 January 2026.
LaVxCo1‐xO3 perovskite catalysts achieve highly efficient and selective cyclohexane oxidation to KA oil with molecular oxygen under mild conditions in the liquid phase. Spin trap EPR confirms a free‒radical pathway, while post‒reaction analysis reveals a partially reduced catalyst surface that drives hydroperoxide decomposition, signifying the catalyst'
Akhil Hareendran   +12 more
wiley   +1 more source

Rethinking the Roles of Graphite and Graphene in Lithium‐Ion Batteries From Environmental and Industrial Perspectives

open access: yesCarbon Energy, Volume 8, Issue 1, January 2026.
Graphite and graphene are vital materials used in lithium‐ion batteries (LIBs), prized for their electrochemical performance and technological maturity. This review examines their current manufacturing methods, environmental impacts, and recent advances.
Benjamin Robinson   +4 more
wiley   +1 more source

Dietary DNA Metabarcoding From Animal Fecal Samples

open access: yesCurrent Protocols, Volume 6, Issue 1, January 2026.
Abstract Fecal DNA metabarcoding is a powerful tool for examining animal diets with unprecedented resolution, offering insights into ecological patterns shaped by trophic interactions. As a result, dietary metabarcoding has become widely applied across ecology, evolution, behavior, and conservation.
Rachel D. McConnell   +6 more
wiley   +1 more source

The effect of swirl intensity on flame propagation behavior in lean premixed burner

open access: yesNihon Kikai Gakkai ronbunshu, 2015
In gas turbine engines, combustion temperature increases in order to reduce CO2 emissions and to improve thermal efficiency. However, at the same time, this leads to the increase of nitrogen oxide (NOx) emissions.
Yuichi ICHIKAWA   +2 more
doaj   +1 more source

Propagation Properties of Turbulent Premixed Flames Neutral for Thermo-Diffusive Effects

open access: yesInternational Journal of Automotive Engineering, 2020
Burning velocity is one of the important properties of premixed turbulent flames. Premixed turbulent flames are, in general, subjected to the thermo-diffusive effects in addition to the increase in the flame front area due to the influence of turbulence.
Toshiaki Kitagawa   +4 more
doaj   +1 more source

Numerical Study of Cocombustion Characteristics of Ammonia and Coke Oven Gas

open access: yesInternational Journal of Energy Research, Volume 2026, Issue 1, 2026.
This study investigates the combustion characteristics of hydrogen, methane, and coke oven gas (COG) blended with ammonia (NH3) using one‐dimensional simulations. The laminar burning velocity (LBV), adiabatic flame temperature, and nitrogen oxide (NOx) emissions were analyzed across different NH3 blending ratios (0%–100%).
Fang-Hsien Wu   +3 more
wiley   +1 more source

Study on Combustion Oscillation of Premixed Flame with Pilot Fuel at Elevated Pressures

open access: yesJournal of Thermal Science and Technology, 2009
Acoustically-coupled combustion oscillation is studied for premixed flame with pilot fuel to be used in gas turbine combustors. Premixed gas is passed through swirl vanes and burnt with the centrally injected pilot fuel.
Masaya OHTSUKA   +3 more
doaj   +1 more source

Effect of steam addition on the flow field and NOx emissions for Jet-A in an aircraft combustor [PDF]

open access: yes, 2016
The steam injection technology for aircraft engines is gaining rising importance because of the strong limitations imposed by the legislation for NOx reduction in airports.
Hu, Chunbo   +3 more
core   +1 more source

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