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"Chamber of Commerce News"

, 2019
Newsletter sent to members of the Huntsville Chamber of ...
Huntsville Chamber of Commerce
core   +14 more sources

Influence of Pre-Chamber Volume, Orifice Diameter and Orifice Number on Performance of Pre-Chamber SI Engine—An Experimental and Numerical Study

Energies, 2023
This paper presented an experimental and numerical study of pre-chamber volume, number of orifices and orifice diameter influence on engine performance and emissions.
Rudolf Tomić, Momir Sjerić, Josip Krajnović, Sara Ugrinić   +3 more
doaj   +3 more sources

Experimental study on the effect of pre-chamber structural parameters on combustion and emissions characteristics of ethanol pre-chamber engine

Case Studies in Thermal Engineering
To achieve low-carbon and sustainable development in the automotive industry, ethanol pre-chamber engines offer significant technical potential. The structural parameters of the pre-chamber significantly influence the formation of the pre-chamber spray ...
Kaichang Lai, Fangxi Xie, Hong Chen, Jiakun Du, Xiaoxiao Jiang, Jingxun Yang   +5 more
doaj   +3 more sources

Custom-Designed Pre-Chamber: Investigating the Effects on Small SI Engine in Active and Passive Modes

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, Cinzia Tornatore, Francesco Catapano, Silvana Di Iorio, Bianca Maria Vaglieco   +4 more
doaj   +1 more source

Optimization of Pre-Chamber Geometry and Operating Parameters in a Turbulent Jet Ignition Engine

Energies, 2022
A turbulent jet ignition engine enables operation with lean mixtures, decreasing nitrogen oxide (NOX) emissions up to 92%, while the engine efficiency can be increased compared to conventional spark-ignition engines.
Viktor Dilber, Momir Sjerić, Rudolf Tomić, Josip Krajnović, Sara Ugrinić, Darko Kozarac   +5 more
doaj   +1 more source

CFD Optimization of the Pre-Chamber Geometry for a Gasoline Spark Ignition Engine

Frontiers in Mechanical Engineering, 2021
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, Ahmad Hadi Bakir, Suren Yadav, Yunseon Kang, Siva Parameswaran, Peng Zhao   +5 more
doaj   +1 more source

A Mapping Approach for Efficient CFD Simulation of Low-Speed Large-Bore Marine Engine with Pre-Chamber and Dual-Fuel Operation

Energies, 2021
A natural-gas-diesel dual-fuel marine engine with a pre-chamber is a promising solution for ocean transportation to meet the International Maritime Organization (IMO) emission regulations. This engine system employs a pre-chamber with direct injection of
Ying Ye, Zongyu Yue, Hu Wang, Haifeng Liu, Chaohui Wu, Mingfa Yao   +5 more
doaj   +1 more source

Nozzle Design of Plug-and-Play Passive Pre-Chamber Ignition Systems for Natural Gas Engines

Applied Sciences, 2023
To evaluate the significance of the geometrical parameters of a passive pre-chamber on engine performance, this study investigated the design of a plug-and-play passive pre-chamber in a 15 L heavy-duty natural gas engine.
Wei Li, Junfang Ma, Tao Zhu, Haiqiao Wei, Jiaying Pan   +4 more
doaj   +1 more source

Numerical Investigation of the Pre-Chamber and Nozzle Design in the Gasoline Engine of an Agricultural Tractor

Energies, 2022
With the rapid development of agriculture in China today, the demand for agricultural machinery is rapidly increasing. A large amount of exhaust gas emissions poses a severe threat to the environment. To better promote engine fuel and air mixing, enhance
Bowen Zheng, Quan Zhou, Zhenghe Song, Enrong Mao, Zhenhao Luo, Xuedong Shao, Yuxi Liu, Wenjie Li   +7 more
doaj   +1 more source

The Influence of Charge Motion on Pre-Chamber and Main Chamber Combustion in a Highly Dilute Jet Ignition Engine

Frontiers in Mechanical Engineering, 2021
Though there are multiple viable powertrain options available for the automotive sector, those that contain internal combustion engines will continue to account for the majority of global sales for the next several decades.
Michael Bunce, Michael Bunce, Alasdair Cairns, Sai Krishna Pothuraju Subramanyam, Nathan Peters, Hugh Blaxill   +5 more
doaj   +1 more source