NDLI: Discharge Characteristics of Current Boosted Spark Events Under Flow Conditions

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Volume 1: Large Bore Engines; Fuels; Advanced Combustion

Experimental Investigation of NOx Formation in a Dual Fuel Engine

Engine Performances With Advanced Common Rail Injector Design

Influence of Injection Parameters and Operating Conditions on Ignition and Combustion in Dual-Fuel Engines

Model Based Design and Optimization for Large Bore Engines: Some Industrial Case Studies

Modeling the Formation of Pollutant Emissions in Large-Bore, Lean-Burn Gas Engines

Reaction of Sulfuric Acid in Lube Oil: Implications for Large Two-Stroke Diesel Engines

HIL Operation of Single Cylinder Research Engines to Optimize the Transient Behavior of Large Gas Engines

Comparative Analysis of EGR and Air Dilution in Spark-Ignited Natural Gas Engines

Using Multi-Dimensional Combustion Simulations of a Natural Gas/Diesel Dual Fuel Engine to Investigate NOx Trends With Air-Fuel Ratio

Experimental Investigation of Sulfuric Acid Condensation and Corrosion Rate in Motored BUKH DV24 Diesel Engine

Modeling and Analysis of Tier 4 Locomotives Operating in a High-Altitude Tunnel

Waste Heat Recovery for Heavy-Duty Diesel Engines: A Review of Mechanical Turbocompounding

Simulation of Coarse Droplet and Liquid Column Formed Around Nozzle Outlets due to Valve Wobble of a GDI Injector

Durability Testing of Biomass Based Oxygenated Fuel Components in a Compression Ignition Engine

Effects of Fuel Quality on Gaseous Emissions From an 8.9L Spark-Ignited Natural Gas Engine Operated Over Prime-Mover Cycles for Unconventional Well Development

Experimental and Numerical Investigation of Near-Nozzle Flow Behaviour Under Flash Boiling Conditions

Pilot Injection of Reactive Fuels as Ignition Source in Natural Gas Engines With Lean Burn Concept

Application of a Rectified Linear Unit (ReLU) Based Artificial Neural Network to Cetane Number Predictions

Sources of Particulate Matter Emissions Variability From a Gasoline Direct Injection Engine

An Experimental Investigation on Performance, Combustion and Emission Characteristics of a Low Heat Rejection Engine Using Diesel and Diethyl Ether Blends

Experimental Validation of a 3-Component Surrogate for Sasol-IPK in Single Cylinder Diesel Engine and IQT

A Computational Investigation of Fuel Chemical and Physical Properties Effects on Gasoline Compression Ignition in a Heavy-Duty Diesel Engine

Partially Premixed Compression Ignition of Fischer Tropsch Synthetic Paraffinic Kerosene (S8) With PFI of N-Butanol

An Experimental Investigation of Combustion Process of a Turbo-Charged SI Stoichiometric Off-Road Engine Operated on Gaseous Fuel

Influence of Acetone-Butanol-Ethanol (ABE)–Gasoline Blends on Regulated and Unregulated Emissions From a PFI SI Engine

Internal Combustion Engines as Fluidized Bed Reactors

An Experimental Investigation of Early Flame Development in an Optical SI Engine Fueled With Natural Gas

Optimization of the Charge Motion in Internal Combustion Engines Driven by Sewage Gas for CHP-Units

Influence of the Spatial and Temporal Interaction Between Diesel Pilot and Directly Injected Natural Gas Jet on Ignition and Combustion Characteristics

Partially Premixed Combustion Application for Diesel Power Improvement

An Alternative Calculation for Methane Number for Lean Burn Spark Ignited Engines Operating on Low Energy Content Gaseous Fuels

Analysis of Crank Angle-Resolved Vortex Characteristics Under High Swirl Condition in a Spark-Ignition Direct-Injection Engine

Effect of Diesel Injection Split on Combustion and Emissions Performance of a Natural Gas–Diesel Dual Fuel Engine at a Low Load Condition

Combustion Performance and Unburned Hydrocarbon Emissions of a Natural Gas–Diesel Dual Fuel Engine at a Low Load Condition

Spray-Wall Interactions in a Small-Bore, Multi-Cylinder Engine Operating With Reactivity-Controlled Compression Ignition

An Experimental and Computational Analysis of Water Condensation Separator Within a Charge Air Cooler

High Performance Computing and Analysis-Led Development of High Efficiency Dilute Opposed Piston Gasoline Engine

Experimental Investigation of Water Injection Technique in Gasoline Direct Injection Engine

A Study of Injection Strategy to Achieve High Load Points for Gasoline Compression Ignition (GCI) Operation

Experimental Study of Flame Stretch Under Engine-Like Conditions

Homogenous Charge Compression Ignition (HCCI) Operation With Jet Fuel and Water Injection in a Single Cylinder Diesel CFR Engine

Discharge Characteristics of Current Boosted Spark Events Under Flow Conditions

Influence of Charge Motion and Compression Ratio on the Performance of a Combustion Concept Employing In-Cylinder Gasoline and Natural Gas Blending

CFD Simulations of the Effect of Water Injection Characteristics on TSCI: A New, Load-Flexible, Advanced Combustion Concept

Computational Study to Identify Feasible Operating Space for a Mixed Mode Combustion Strategy: A Pathway for PCI High Load Operation

EGR and Backpressure Effects on Knock Behavior in Stoichiometric Natural Gas Engines

Combustion and Emissions of Jet-A and N-Butanol in RCCI Operation

Fuel Stratification and Partially Premixed Combustion With Neat N-Butanol in a Compression Ignition Engine

Influence of Swirl Ratio on Diesel-Methane Dual Fuel Combustion: A CFD Investigation

Thermodynamic Considerations Related to Knock: Results From an Engine Cycle Simulation

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Discharge Characteristics of Current Boosted Spark Events Under Flow Conditions

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Yu, Xiao Yang, Zhenyi Yu, Shui Ives, Mark Zheng, Ming
Copyright Year	2017
Abstract	With the advancement of spark ignition engines, lean or diluted in-cylinder charge is often used to improve the engine performance. Enhanced in-cylinder charge motion is widely applied under such conditions to promote the flame propagation, which raise challenges for the spark ignition system. In this work, the spark discharging process is investigated under different flow conditions via both optical diagnosis and electrical measurement. Results show that the spark plasma channel is stretched under flow conditions. A higher discharge current can maintain the stretched spark plasma for a longer duration. Re-strikes are observed when the spark plasma is stretched to a certain extent. The frequency of re-strikes increases with increased flow velocity and decreased discharge current level. The discharge duration reduces with the increased flow velocity. The effects of gas flow on the ignition and flame kernel development are studied in a constant volume optical combustion chamber with premixed lean and stoichiometric methane air mixture. Two spark strategies with low and high discharge current are used for the ignition. The flame propagation speed of both lean and stoichiometric mixtures increases with the increased gas flow velocity. A higher discharge current level retains a more stable spark channel and improves the flame kernel development for both lean and stoichiometric conditions, especially under the higher gas flow velocity of 20 m/s.
Sponsorship	Internal Combustion Engine Division
File Format	PDF
ISBN	9780791858318
DOI	10.1115/ICEF2017-3657
Volume Number	Volume 1: Large Bore Engines; Fuels; Advanced Combustion
Conference Proceedings	ASME 2017 Internal Combustion Engine Division Fall Technical Conference
Language	English
Publisher Date	2017-10-15
Publisher Place	Seattle, Washington, USA
Access Restriction	Subscribed
Subject Keyword	Methane Electrical measurement Flames Gas flow Spark-ignition engine Ignition Combustion chambers Ignition systems Flow (dynamics) Plasmas (ionized gases) Engines Cylinders
Content Type	Text
Resource Type	Article

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