Results 211 to 220 of about 6,051,489 (245)
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ASME 2023 ICE Forward Conference, 2023
Abstract Opposed-piston two-stroke engines (OP2S) have demonstrated high thermodynamic efficiencies due to reduced heat losses and high volume-to-surface area ratios. This leads to remarkable advantages over four-stroke conventional diesel engines, as well as superior combustion characteristics.
Rafael Menaca +5 more
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Abstract Opposed-piston two-stroke engines (OP2S) have demonstrated high thermodynamic efficiencies due to reduced heat losses and high volume-to-surface area ratios. This leads to remarkable advantages over four-stroke conventional diesel engines, as well as superior combustion characteristics.
Rafael Menaca +5 more
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SAE Technical Paper Series, 2023
<div class="section abstract"><div class="htmlview paragraph">This study aims to investigate the combustion and flow phenomena in a stoichiometrically operated methane-fueled passive pre-chamber ignited gas engine. The combustion phenomena are visualized with a high-speed camera and the chemical properties are resolved by Large Eddy ...
MD Tanvir KHAN +5 more
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<div class="section abstract"><div class="htmlview paragraph">This study aims to investigate the combustion and flow phenomena in a stoichiometrically operated methane-fueled passive pre-chamber ignited gas engine. The combustion phenomena are visualized with a high-speed camera and the chemical properties are resolved by Large Eddy ...
MD Tanvir KHAN +5 more
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Gas Exchange Optimization for a Passive Pre-Chamber Ignition System
SAE International Journal of Advances and Current Practices in Mobility<div class="section abstract"><div class="htmlview paragraph">Increasing ignition energy by replacing standard spark igniters with pre-chambers is an established combustion accelerator. With rapid combustion on the one hand, mixture dilution can be extended while maintaining the combustion stability at adequate levels.
Felix Fellner +3 more
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International Journal of Engine Research, 2022
The impact of passive pre-chamber (PC) internal volume, nozzle hole pattern (i.e. with and without a central axial nozzle), and PC igniter plug type on performance and emissions was investigated in an optically accessible, single-cylinder, gasoline research engine.
Francesco Di Sabatino +3 more
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The impact of passive pre-chamber (PC) internal volume, nozzle hole pattern (i.e. with and without a central axial nozzle), and PC igniter plug type on performance and emissions was investigated in an optically accessible, single-cylinder, gasoline research engine.
Francesco Di Sabatino +3 more
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SAE International Journal of Advances and Current Practices in Mobility
<div class="section abstract"><div class="htmlview paragraph">Pre-chamber combustion is well known for the effective way to improve thermal efficiency in internal combustion engine. An active pre-chamber can accomplish super lean burn while a passive pre-chamber can easily improve combustion with low-cost.
Satoshi Hokimoto +4 more
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<div class="section abstract"><div class="htmlview paragraph">Pre-chamber combustion is well known for the effective way to improve thermal efficiency in internal combustion engine. An active pre-chamber can accomplish super lean burn while a passive pre-chamber can easily improve combustion with low-cost.
Satoshi Hokimoto +4 more
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Computational Analysis of the Scavenging Characteristic and Optimization of Passive Pre-Chamber
Applied Thermal Engineering, 2023Shuai Huang +6 more
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Effects of Passive Pre-chamber Geometry and Ignition System on Engine Performance.
Proposed for presentation at the Comodia 2022 held July 5-8, 2022 in Sapporo (Virtual), Japan, 2022Francesco Di Sabatino +3 more
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Numerical Study on the Design of a Passive Pre-Chamber for a Heavy-Duty Hydrogen Combustion Engine
SAE Technical Paper Series<div class="section abstract"><div class="htmlview paragraph">Lean-burn hydrogen internal combustion engines are a good option for future transportation solutions since they do not emit carbon-dioxide and unburned hydro-carbons, and the emissions of nitric-oxides (NOx) can be kept low.
Ralph Maas, Cemil Bekdemir, Bart Somers
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Applied Thermal Engineering
The pre-chamber spark ignited combustion is recognized as one of the most promising concepts utilizing a lean burn combustion approach towards the increase of efficiency and reduction of NOx emissions in spark ignited engines. Numerous investigations indicate the possibility to reduce the engine-out NOx emissions under the regulation limits by using ...
Josip Krajnović +3 more
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The pre-chamber spark ignited combustion is recognized as one of the most promising concepts utilizing a lean burn combustion approach towards the increase of efficiency and reduction of NOx emissions in spark ignited engines. Numerous investigations indicate the possibility to reduce the engine-out NOx emissions under the regulation limits by using ...
Josip Krajnović +3 more
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Total Cost of Ownership Reduction Using Passive Pre-Chamber Ignition in Natural Gas Engines
SAE Technical Paper Series<div class="section abstract"><div class="htmlview paragraph">Spark plug durability is a factor affecting the total cost of ownership (TCO) of spark-ignited natural gas engines, with some heavy-duty platforms requiring plug replacement after only 750 hours of operation.
Akash Dhotre +5 more
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