Results 31 to 40 of about 740 (163)
Computational investigation of methanol pre-chamber combustion in a heavy-duty engine
This work explored the potential of methanol pre-chamber combustion (PCC) for heavy-duty engine applications. An optical engine experiment was conducted to visualize the jet flame development.
Xinlei Liu +7 more
doaj +1 more source
Effects of Engine Speed on Prechamber-Assisted Combustion
Lean combustion technologies show promise for improving engine efficiency and reducing emissions. Among these technologies, prechamber-assisted combustion (PCC) is established as a reliable option for achieving lean or ultra-lean combustion.
Sharma, Priybrat +3 more
core +1 more source
The modern solution of two-stage combustion, namely the Turbulent Jet Ignition (TJI), enables the combustion of ultra-lean mixtures. Thanks to this solution, it became possible to reduce fuel consumption and, at the same time, to increase the combustion ...
Ireneusz Pielecha +2 more
doaj +1 more source
Design of an Additive Manufactured Natural Gas Engine with Thermally Conditioned Active Prechamber
In order to decarbonize and lower the overall emissions of the transport sector, immediate and cost-effective powertrain solutions are needed. Natural gas offers the advantage of a direct reduction of carbon dioxide (CO2) emissions due to its better ...
Kraljevic, Ivica +8 more
core +1 more source
Comparative Study of Spark-Ignited and Pre-Chamber Hydrogen-Fueled Engine: A Computational Approach
Hydrogen is a promising future fuel to enable the transition of transportation sector toward carbon neutrality. The direct utilization of H2 in internal combustion engines (ICEs) faces three major challenges: high NOx emissions, severe pressure rise ...
Hammam Aljabri +9 more
doaj +1 more source
An experimental investigation of a lean burn natural gas prechamber spark ignition engine for cogeneration [PDF]
The operation of a cogeneration internal combustion engine with unscavenged prechamber ignition was investigated. The objective was to evaluate the potential to reduce the exhaust gas emissions, particularly the CO emissions, below the Swiss limits (NOx ...
Röthlisberger, Roger
core +2 more sources
The article presents the results of theoretical and experimental studies of the peculiarities of the working process of low-thrust hypergolic- propellant liquid rocket engines (LTLRE) with the thrust of less than 1 N.
V. E. Nigodjuk, A. V. Sulinov
doaj +1 more source
CFD Optimization of the Pre-Chamber Geometry for a Gasoline Spark Ignition Engine
In the present paper, an efficient optimization method based on Bayesian updating strategy is developed for the design of a spark-ignition engine equipped with pre-chamber.
Haiwen Ge +5 more
doaj +1 more source
Experimental investigation of prechamber autoignition in a natural gas engine for cogeneration [PDF]
A novel ignition concept based on autoignition in an unscavanged prechamber is currently being developed at the Laboratory for Industrial Energy Systems (LENI).
Heyne, Stefan +3 more
core +2 more sources
Prechamber enabled mixing-controlled combustion (PC-MCC) utilizes an actively fueled prechamber as an ignition assistant to promote diffusion combustion of low cetane fuels.
Jared Zeman +4 more
doaj +1 more source

