NDLI: Development of a Species-Based Extended Coherent Flamelet Model (SB-ECFM) for Gasoline Direct Injection Engine (GDI) Simulations

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Volume 1: Large Bore Engines; Fuels; Advanced Combustion

Volume 2: Emissions Control Systems; Instrumentation, Controls, and Hybrids; Numerical Simulation; Engine Design and Mechanical Development

Direct Simultaneous Measurement of Particulate Matter and Ammonia Storage on Combined Selective Catalytic Reduction Filter Systems Using Radio Frequency Sensors

Experimental Investigation of Soot Accumulation and Regeneration in a Catalyzed Gasoline Particulate Filter Utilizing Particulate Quantification and Gas Speciation Measurements

Effects of Injection Pressure on Emission and Components of Particulate Matter From Marine Diesel Engine

Design and Experimental Validation of a Spatially Discretized, Control-Oriented Temperature Model for a Ceria-Washcoated Gasoline Particulate Filter

SCR-Catalyst Utilisation and Mixing Comparison Using a Novel Biomimetic Flash-Boiling Injector

Exhaust Emission Characteristics of Excavator With 6.0 Liter Diesel Engine in Real Work Conditions

Accuracy of Diesel Engine Combustion Metrics Over the Full Range of Engine Operating Conditions

A Signal Processing of In-Cylinder Pressure for the Resonant Frequency Prediction of Combustion Process in Diesel Engines

Non-Equiprobable Statistical Analysis of Misfires and Partial Burns for Cycle-to-Cycle Control of Combustion Variability

Integration of Printed Sensors in Plain Engine Bearings

Analysis of Passenger Car Turbocharged Diesel Engines Performance When Tested at Altitude and of the Altitude Simulator Device Used

In-Cylinder CO2 Sampling Using Skip-Firing Method

Analysis of the Opportunities and Trade-Offs for an 48V Electrified Air Path

Diesel Engine Acoustic Emission Airflow Clogging Diagnostics With Machine Learning

Combustion Variability Model for Control of Injection Timing for Diesel Exhaust Heating

Coordinated Control Strategy in Engine Starting Process for a Novel Compound Power-Split Hybrid Electric Vehicle

Heat Release Experimental Analysis for RCCI Combustion Optimization

Comparison of Cylinder Pressure Measurements on a Heavy-Duty Diesel Engine Using a Switching Adapter

Flow Simulation With Needle Movement of Diesel Nozzles With Alternating Diameter

Effects of Flash Boiling in Nozzle Flow of GDI Injector on Air/Fuel Mixture

Numerical Investigation on LNG Injection in a SI-ICE

Impact of a Holistic Turbocharger Model in the Prediction of Engines Performance in Transient Operation and in Steady State With LP-EGR

Turbulent Reactive Flow Modeling in Engines: A Robust and Accurate Toolkit/Software for Simulating Engine Dynamics

Computational Study of Unsteady Cavitating Flows and Erosion in a Fuel Nozzle

A Comprehensive Ignition System Model for Spark Ignition Engines

Numerical Analysis of the Combustion Process in Dual-Fuel Engines With Direct Injection of Natural Gas

Investigation of NO2 Formation Kinetics in Dual-Fuel Engines With Lean Premixed Methane-Air Charge

Numerical Simulation of Ignition Mechanism in the Main Chamber of Turbulent Jet Ignition System

Numerical Studies of Combustion Recession on ECN Diesel Spray A

Prediction of Cyclic Variability and Knock-Limited Spark Advance (KLSA) in Spark-Ignition (SI) Engine

Numerical Investigation on the Effect of Advanced Breakup Model on Spray Simulation of a Multi-Hole Injector

Numerical Study on Evaporation of Lubricating Oil Droplets Under Natural Gas Engine Conditions

Comparison of Near-Wall Flow and Heat Transfer of an Internal Combustion Engine Using Particle Image Velocimetry and Computational Fluid Dynamics

Development of a Species-Based Extended Coherent Flamelet Model (SB-ECFM) for Gasoline Direct Injection Engine (GDI) Simulations

Numerical Evaluation of the Effects of Low Pressure EGR Mixer Configuration on Turbocharger Compressor Performance

Development of a Hybrid Lagrangian-Eulerian Model to Describe Spark-Ignition Processes at Engine-Like Turbulent Flow Conditions

Numerical Investigation of Fuel Effects on Soot Emissions at Heavy-Duty Diesel Engine Conditions

Modeling the Effect of Parametric Variations on Soot Particle Size Distribution in a Diesel Engine

Computational Fluid Dynamics Simulation of an Opposed-Piston Two-Stroke Gasoline Compression Ignition Engine

Predicting Cycle-to-Cycle Variation With Concurrent Cycles in a Gasoline Direct Injected Engine With Large Eddy Simulations

Evaluating Optimization Strategies for Engine Simulations Using Machine Learning Emulators

Benefits of Higher-Temperature Operation in Boosted SI Engines Enabled by Advanced Materials

Predictive CFD Modeling of Diesel Engine Combustion Using an Efficient Workflow Based on Tabulated Chemistry

A Conceptual Study for the Smallest Possible Diesel Engine: Potential and Limitations

Powertrain Resilient Mounting Design Analysis

Simulation and Experimental Study of a Diesel Engine Based on an Electro-Hydraulic FVVA System

Design of an Advanced Air Path Test Stand for Steady and Transient Evaluation

Modular 9.0L and 4.5L Non-Road Spark-Ignited Engines for Power Generation

Numerical Study on Fretting Wear of Mating Surface Between Piston Crown and Skirt in Heavy Duty Diesel Engine

Development of a New Four Valve Cylinder Head to Increase the Efficiency of a Worldwide High Reliable Gas Engine

Spray Evaporative Cooling System Design for Automotive Internal Combustion Engines

Controls Development and Vehicle Drive Cycle Analysis of Integrated Turbocompounding, Electrification and Supercharging System (ITES)

Investigating the Potential of an Integrated Coolant Waste Heat Recovery System in an HD Engine Using PPC Operation

Analysis of Different Uniflow Scavenging Options for a Medium-Duty 2-Stroke Engine for a U.S. Light-Truck Application

Piston Rings Friction Comparison in a Free Piston and Conventional Crankshaft Engines

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Development of a Species-Based Extended Coherent Flamelet Model (SB-ECFM) for Gasoline Direct Injection Engine (GDI) Simulations

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Colin, O. Chevillard, S. Bohbot, J. Senecal, P. K. Pomraning, E. Wang, M.
Copyright Year	2018
Abstract	The current work presents a recent development of the Extended Coherent Flamelet Model (ECFM) for 3D combustion modeling in spark-ignited gasoline engines. The reference-based ECFM model, originally published in 2003, computes the conditional unburned and burned gas species mass fractions from both real species and species tracers. This current work is motivated by two limitations of the reference-based model. First, the difference between convection of species tracers and convection of real species leads to small discrepancies between the two, due to high velocity gradients during gas exchange. This can lead to inaccurate estimation of the progress variable and consequently to negative conditional mass fractions in the burned gases after ignition. Second, the reference-based ECFM model assumes implicitly that the unburned and burned states correspond to the same mixture fraction. This assumption is valid for low stratification cases, but it can lead to substantial conditioning errors for highly stratified systems like gasoline direct injection (GDI) engines. To address these shortcomings, a new species-based ECFM (SB-ECFM) implementation is presented. In this species-based model, the unburned and burned gas states are entirely defined by the transported species in each zone. It is shown that SB-ECFM more reliably defines conditional quantities and the progress variable. This enhancement allows the use of a second-order central scheme in space when using full decoupling of auto-ignition and premixed flame progress variables as proposed in Robert et al., Proc. Comb. Inst, 2015, while the reference model is limited to the first-order upwind scheme in this case. Finally, simulations of a GDI engine are presented at different loads and rpm conditions. It is shown that, with the higher order scheme, SB-ECFM demonstrates very good agreement with measured pressure.
Sponsorship	Internal Combustion Engine Division
File Format	PDF
ISBN	9780791851999
DOI	10.1115/ICEF2018-9684
Volume Number	Volume 2: Emissions Control Systems; Instrumentation, Controls, and Hybrids; Numerical Simulation; Engine Design and Mechanical Development
Conference Proceedings	ASME 2018 Internal Combustion Engine Division Fall Technical Conference
Language	English
Publisher Date	2018-11-04
Publisher Place	San Diego, California, USA
Access Restriction	Subscribed
Subject Keyword	Ignition Combustion Modeling Pressure Convection Engines Stress Errors Gases Flames Simulation Gasoline Gasoline engines Engineering simulation Direct injection spark ignition engines
Content Type	Text
Resource Type	Article

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