Results 41 to 50 of about 1,514 (209)
Results of the experimental research of the heat-transfer jet pressure to the rock surface during thermal reaming of the borehole [PDF]
, 2018 The performed analysis of scientific sources confirms the existence of a small number of publications devoted to the experimental research of the gasdynamics and plasmodynamics of jets used as a heat- transfer medium in the thermal ...
Potapchuk, Iryna +3 more
core +1 more source
Application of Iron Aluminides in the Combustion Chamber of Large Bore 2-Stroke Marine Engines
Metals, 2019 Iron aluminides possess a unique combination of properties such as attractive corrosion resistance in hot gas and wet chemical environments, a favorable strength to weight ratio, low costs of alloying elements, and they can be processed by conventional ...
Frank Moszner +5 more
doaj +1 more source
Effects of passive pre-chamber jet ignition on combustion and emission at gasoline engine
Advances 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
Optical investigation of prechamber combustion in an RCEM
Combustion Engines, 2019 In this study, detailed investigations of scavenged prechamber engine combustion are performed experimentally in a Rapid Com-pression Expansion Machine (RCEM), which allows optical access into the main chamber. OH* chemiluminescence measurements combined with pressure measurements are used to study the effect of varying ignition timing on combustion ...
KOTZAGIANNI, Maria +2 more
openaire +1 more source
Energies, 2023 This work shows the results of an experimental campaign carried out in two spark ignition engines, a small optical research engine and its commercial counterpart, using a turbulent ignition system (pre-chamber) specifically designed for small engines ...
Paolo Sementa +4 more
doaj +1 more source
Finding the Optimum Design of Large Gas Engines Prechambers Using CFD and Bayesian Optimization
, 2023 9 pages. Part of Scientific Computing 2023 Conference Proceedings (ISBN e-Book: 978-3-903318-20-5)
Posch, Stefan +4 more
openaire +3 more sources
Prechamber Equipped Laser Ignition for Improved Performance in Natural Gas Engines [PDF]
Journal of Engineering for Gas Turbines and Power, 2017 Lean-burn operation of stationary natural gas engines offers lower NOx emissions and improved efficiency. A proven pathway to extend lean-burn operation has been to use laser ignition (LI) instead of standard spark ignition (SI). However, under lean conditions, flame speed reduces, thereby offsetting any efficiency gains resulting from the higher ratio
Bader Almansour +5 more
openaire +2 more sources
ChemNanoMat, Volume 12, Issue 1, January 2026.Laser‐induced graphene electrodes decorated with platinum (Pt) nanoclusters are engineered via magnetron sputtering to optimize hydrogen evolution reaction (HER) catalysis. By tuning Pt deposition time, a minimal Pt loading (60 s) delivers outstanding HER performance, balancing defect density and Pt2+ anchoring for superior mass activity.
Thiago A. S. Soares +6 more
wiley +1 more source
ChemElectroChem, Volume 12, Issue 17, September 1, 2025.This study investigates the role of glyoxylic acetal‐based electrolytes in enhancing the stability of the solid electrolyte interphase (SEI) formed on hard carbon (HC) anodes in sodium‐ion batteries (SIBs). It examines the effects of sodium bis(fluorosulfonyl)imide (NaFSI) and sodium bis(trifluoromethanesulfonyl)imide (NaTFSI) in 1,1,2,2 ...
Mariana Gaško +5 more
wiley +1 more source
Ignition by Hot Transient Jets in Confined Mixtures of Gaseous Fuels and Air
Journal of Combustion, 2016 Ignition of a combustible mixture by a transient jet of hot reactive gas is important for safety of mines, prechamber ignition in IC engines, detonation initiation, and novel constant-volume combustors.
Abdullah Karimi, M. Razi Nalim
doaj +1 more source