Results 181 to 190 of about 3,879,883 (226)

Temperature Calculation Methodology of Pre Chamber With Homogeneous Charge

SAE Technical Paper Series, 2020
<div class="section abstract"><div class="htmlview paragraph">The methodology for temperature calculations of homogeneous prechamber must be analyzed from a one-dimensional analytical model so that it is possible to determine the temperature profiles during the filling and emptying of the gases, so that it can avoid abnormalities such as ...
L.F.G MACHADO, TIAGO S. FERREIRA, F. A. RODRIGUES FILHO, T. A. A. MOREIRA   +3 more
openaire   +1 more source

Effect of pre-chamber fuel injection parameters and EGR on the combustion and emissions of a heavy-duty diesel engine

Energy Sources, Part A: Recovery, Utilization, and Environmental Effects
This numerical simulation investigated the impact of pre-chamber fuel injection timing, injection angle, and exhaust gas recirculation (EGR) on combustion and emissions in a heavy-duty diesel engine using a pre-chamber combustion system.
Yingying Lu, Yufeng Chen, Daochen Zhang, Lingfeng Zhong, Yi Qian, Yiqiang Pei   +5 more
semanticscholar   +1 more source

Combustion Analysis of Active Pre-Chamber Design for Ultra-Lean Engine Operation

SAE International Journal of Engines
In this article, the effects of mixture dilution using EGR or excessive air on adiabatic flame temperature, laminar flame speed, and minimum ignition energy are studied to illustrate the fundamental benefits of lean combustion.
Mohan Raj Peethambaram, Quanbao Zhou, Benjamin Waters, Ken Pendlebury, Huiyu Fu, Andrew Haines, David Hale, Tiegang Hu, Jiaxiang Zhang, Xuesong Wu, Xiaoyu Zhang   +10 more
semanticscholar   +1 more source

A novel concept of pre-chamber turbulent jet ignition-induced liquid ammonia spray flame

The Physics of Fluids
Ammonia is one of the most promising alternative fuels owing to its nature of zero-carbon emission. However, the weak ignition characteristic of ammonia imposes a great hindrance on its application on engines.
Lijia Zhong, Wanhui Zhao, Haiqiao Wei, Gequn Shu, Lei Zhou   +4 more
semanticscholar   +1 more source

An Optical Study on the Ignition and Flame Development Initiated by a Combination of Passive Pre-Chamber and Spark Ignition

Combustion Science and Technology
Pre-chamber jet ignition combined with spark ignition in main chamber has advantages in adjusting the combustion phase and improving the burning rate for spark ignition engines.
Yixiao Zhang, Xiao Ma, J. Mao, Zhi Wang, Zhenqian Wang, Shijin Shuai   +5 more
semanticscholar   +1 more source

A Numerical Investigation of Pre-chamber Combustion Engines

2020
This work aims to enhance fundamental and practical understanding of pre-chamber (PC) combustion engines, using computational fluid dynamics (CFD) simulations conducted with the software CONVERGE employing the Reynolds-averaged Navier-Stokes turbulence closure and the well-stirred reactor combustion model for methane oxidation.
openaire   +2 more sources

Investigations on Pre-Chamber Spark Plug with Pilot Injection

SAE Technical Paper Series, 2007
<div class="htmlview paragraph">Combustion concepts for future SI engines try to meet CO₂ emission commitments and legislation all over the world. Where the diesel engine has an advantage by principle, the efficiency of the SI engine has to be improved significantly, while of course there must be no deterioration in exhaust
J. Getzlaff, J. Pape, C. Gruenig, D. Kuhnert, R. Latsch   +4 more
openaire   +1 more source

Pre-Chamber Combustion Model for Pre-Chamber Gas Engine

The Proceedings of Mechanical Engineering Congress, Japan, 2023
Keiyu Kaminaka, Yudai Yamasaki, Takahiro Sako, Kenta Suzuki   +3 more
openaire   +1 more source

Simultaneous Direct-Photography of Flame Propagation Inside Pre-Chamber and Main-Chamber in Gasoline Engine with Passive Pre-Chamber

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, Yasuo Moriyoshi, Tatsuya Kuboyama, Shuichi Egashira, Yoshitaka Nagai   +4 more
openaire   +1 more source

Pre-Chamber Combustion System Development for an Ultra-Lean Gasoline Engine

SAE technical paper series
Amid rising demands for fuel efficiency and emissions reduction, enhancing the thermal efficiency of gasoline engines has become imperative, which requires higher efficiency combustion strategies and integrated optimized design to maximize the work ...
Jiakun Du, Hongzhong Qi, Hong Chen, Yuhuai Li, Wenfeng Zhan, Xiaoxiao Jiang, Weilong Wu, Zonglan Zhang   +7 more
semanticscholar   +1 more source