Effect of Injection Strategies on Emissions from a Pilot-Ignited Direct-Injection Natural-Gas Engine- Part I: Late Post Injection

2017 ◽  
Author(s):  
Ethan Faghani ◽  
Pooyan Kheirkhah ◽  
Christopher W.J. Mabson ◽  
Gordon McTaggart-Cowan ◽  
Patrick Kirchen ◽  
...  
Keyword(s):  
Natural Gas ◽  
Direct Injection ◽  
Post Injection ◽  
Gas Engine ◽  
Natural Gas Engine ◽  
Engine Part ◽  
Injection Strategies

Effect of Injection Strategies on Emissions from a Pilot-Ignited Direct-Injection Natural-Gas Engine- Part II: Slightly Premixed Combustion

2017 ◽  
Author(s):  
Ethan Faghani ◽  
Pooyan Kheirkhah ◽  
Christopher W.J. Mabson ◽  
Gordon McTaggart-Cowan ◽  
Patrick Kirchen ◽  
...  
Keyword(s):  
Natural Gas ◽  
Direct Injection ◽  
Premixed Combustion ◽  
Gas Engine ◽  
Natural Gas Engine ◽  
Engine Part ◽  
Injection Strategies

Performance of a direct-injection natural gas engine with multiple injection strategies

Energy ◽  
2019 ◽  
Vol 189 ◽  
pp. 116363
Author(s):  
Menghan Li ◽  
Gengfei Liu ◽  
Xiaori Liu ◽  
Zhijie Li ◽  
Qiang Zhang ◽  
...  
Keyword(s):  
Natural Gas ◽  
Direct Injection ◽  
Multiple Injection ◽  
Gas Engine ◽  
Natural Gas Engine ◽  
Injection Strategies

Soot emission prediction in pilot ignited direct injection natural gas engine based on n-heptane/toluene/methane/PAH mechanism

Energy ◽  
2018 ◽  
Vol 163 ◽  
pp. 660-681 ◽  
Author(s):  
Menghan Li ◽  
Qiang Zhang ◽  
Xiaori Liu ◽  
Yuxian Ma ◽  
Qingping Zheng
Keyword(s):  
Natural Gas ◽  
Direct Injection ◽  
Soot Emission ◽  
Gas Engine ◽  
Natural Gas Engine

Lean-burn direct injection natural gas engine control for transient applications

2017 ◽  
pp. 37-57
Author(s):  
Panagiotis Katranitsas ◽  
Andrew Auld ◽  
Adam Gurr ◽  
Anthony Truscott
Keyword(s):  
Natural Gas ◽  
Direct Injection ◽  
Engine Control ◽  
Lean Burn ◽  
Gas Engine ◽  
Natural Gas Engine

Impact of natural gas injection strategies on combustion and emissions of a dual fuel natural gas engine ignited with diesel at low loads

Fuel ◽  
2020 ◽  
Vol 260 ◽  
pp. 116414 ◽  
Author(s):  
Jinwen You ◽  
Zhongchang Liu ◽  
Zhongshu Wang ◽  
Dan Wang ◽  
Yun Xu
Keyword(s):  
Natural Gas ◽  
Gas Injection ◽  
Dual Fuel ◽  
Gas Engine ◽  
Natural Gas Engine ◽  
Injection Strategies

Kinetic Study of the Ignition Process of Methane/n-Heptane Fuel Blends under High-Pressure Direct-Injection Natural Gas Engine Conditions

2020 ◽  
Vol 34 (11) ◽  
pp. 14796-14813
Author(s):  
Jingrui Li ◽  
Xinlei Liu ◽  
Haifeng Liu ◽  
Ying Ye ◽  
Hu Wang ◽  
...  
Keyword(s):  
High Pressure ◽  
Natural Gas ◽  
Kinetic Study ◽  
Direct Injection ◽  
Ignition Process ◽  
Gas Engine ◽  
Natural Gas Engine ◽  
Fuel Blends

scholarly journals The effects of partially premixed combustion mode on the performance and emissions of a direct injection natural gas engine

Fuel ◽  
2019 ◽  
Vol 250 ◽  
pp. 218-234 ◽  
Author(s):  
Menghan Li ◽  
Xuelong Zheng ◽  
Qiang Zhang ◽  
Zhenguo Li ◽  
Boxiong Shen ◽  
...  
Keyword(s):  
Natural Gas ◽  
Direct Injection ◽  
Premixed Combustion ◽  
Combustion Mode ◽  
Gas Engine ◽  
Natural Gas Engine ◽  
Partially Premixed Combustion ◽  
Performance And Emissions ◽  
Partially Premixed

Development of an Open Path Laser Ignition System for a Large Bore Natural Gas Engine: Part 1 — System Design

2005 ◽  
Author(s):  
David L. Ahrens ◽  
Azer P. Yalin ◽  
Daniel B. Olsen ◽  
Gi-Heon Kim
Keyword(s):  
Natural Gas ◽  
Pollutant Emissions ◽  
Electrode Erosion ◽  
Laser Ignition ◽  
Ignition System ◽  
Gas Engine ◽  
Natural Gas Engine ◽  
Spark Plug ◽  
Engine Part ◽  
Beam Delivery

Using a laser, as opposed to a conventional (electrical) spark plug, to create a combustion initiating spark is potentially advantageous for several reasons: flexibility in choosing and optimizing the spark location, in particular to move the spark away from solid heat sinks; production of a more robust spark containing more energy; and obviation of electrode erosion problems. These advantages may lead to an extension of the lean limit, an increase in engine thermal efficiency, and the concomitant benefits of reduced pollutant emissions. This paper presents the design of a laser ignition system appropriate for a large bore natural gas engine. Design considerations include: optimization of spark location, design of beam delivery system and optical plug, and mitigation of vibration and thermal effects. Engine test results will be presented in the second paper of this two-paper series.

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