Modelling Combustion in DI-SI using the G-equation Method and Detailed Chemistry: Emissions and knock. M.Zellat, D.Abouri, Y.Liang, C.
|
|
- Marcia Pierce
- 6 years ago
- Views:
Transcription
1 Modelling Combustion in DI-SI using the G-equation Method and Detailed Chemistry: Emissions and knock Realize innovation. M.Zellat, D.Abouri, Y.Liang, C.Kralj
2 Main topics of the presentation 1. Context and combustion modelling problematic 2. Presentation and description of the proposed approach 3. Application SI-GDI low load and low speed : EGR sweep SI-GDI full load : Emissions SI-GDI full load : knock 4. Conclusion Page 2
3 Introduction : Schematic of Premixed and partially premixed Regimes Flame brush is thickened Flame structure changes Thermal and molecular diffusion Velocity Turbulence Flame speed Karlowitz > 1 Laminar flame thickness > smallest turbulent scale Broken Reaction Zones - Kolmogorov is now smaller than reaction sheet thickness - Flame now lacks local structure (extinguishes) Length Turbulence Flame thickness Karlowitz < 1 Laminar flame thickness < smallest turbulent scale Corrugated & Wrinkled Flamelets - Flame still retains laminar flame structure Page 3 - Wrinkled or corrugated by turbulent eddies
4 Introduction : Schematic of Premixed and partially premixed Regimes Flame brush is thickened Flame structure changes Thermal and molecular diffusion ENGINE MAP Page 4 Part load : Low speed, EGR Fuel consumption, Emission (chemistry) Mid load (EGR?) Driving comfort, Emission (mixed mode ) Full load Selling point, knock (propagation and chemistry)
5 Model need to cover whole flame regime : Turbulence and detailed chemistry Detailed chemistry for post and front flame COUPLED G-equation model for flame propagation ELEMENTS h c o n END SPECIES c7h16 o2 n2 co2 h2o co oh h2o2 ho2... REACTIONS MOLES CAL/MOLE c7h16<=>h+c7h e e+05 rev/ 2.263e e+04 / c7h16+h<=>c7h15-2+h e e+03 rev/ 1.807e e+03 / c7h16+o<=>c7h15-2+oh 9.540e e+03 rev/ 3.481e e+03 / c7h16+oh<=>c7h15-2+h2o 1.900e e Averaged C profile Instantaneous C profile Fuel A transport equation for the G to track the front flame A transport equation for the variance from which we can obtain flame thickness An averaged profile for the progress variable Additional equations for mixture inhomogeneity Page 5 Background : AIR+EGR
6 The Detailed chemistry solver: CPU time Reduce the expense to obtain the required results Detailed chemistry solver : Dynamic Reduction Direct Relation Graph Detailed chemistry solver : Dynamic multizone method (DMZ) Create a groups of cells with similar thermochemical state Number of species history The number of groups will be much smaller than the number of cells Very useful for knock analysis Diesel combustion : in-cylinder pressure Consider thermal and species diffusion (Lewis number 1) Temperature history in homogeneous reactor Page 6 Applications are all with the reduced ERC PFR mechanism (73 species and 296 reactions)
7 Application I : Central Hollow cone injector Spray Guided Operating condition : 2000 rpm Low Load Increasing trapped Residual Burn Gases : Valve overlapping Low Moderate Medium High Page 7 Same injected quantity Load is maintained by Spark Timing
8 Application I : Central Hollow cone injector Spray Guided Operating condition : 2000 rpm Low Load Mean In-cylinder Pressure Low Moderate Experiments Prediction Medium High Page 8
9 Application I : Central Hollow cone injector Spray Guided Operating condition : 2000 rpm Low Load Apparent Rate Of Heat Release Low Moderate Experiments Prediction Medium High Page 9
10 Application I : Central Hollow cone injector Spray Guided Operating condition : 2000 rpm Low Load Integral of Apparent Rate Of Heat Release Low Moderate Experiments Prediction Medium High Page 10
11 Application I : Central Hollow cone injector Spray Guided Operating condition : 2000 rpm Low Load Mean angular momentum Low Max=0.4 Turbulent viscosity H2O2 field intermediate temperature branching High Compensate lower reactivity due to EGR In addition to larger spark timing (Low~20 CA BTDC High~ 40 CA BTDC) Max=0.1 Page 11
12 Application II : GDI Spray Guide 6holes Nozzle type Full load Page 12
13 Application II : OP3 : 2000 rpm full load (maximum torque) Pressure history Apparent rate of Heat Release Integral of Apparent rate of Heat Release Experiments Prediction Page 13
14 Application II : OP4 : 3000 rpm full load (maximum torque) Pressure history Apparent rate of Heat Release Integral of Apparent rate of Heat Release Experiments Prediction Page 14
15 Application II : OP5 : 5800 rpm Full load (maximum power) Pressure history Apparent rate of Heat Release Integral of Apparent rate of Heat Release Experiments Prediction Page 15
16 Application II : Full load : Engine cases : OP3, OP4 and OP5 NOx (NORA model), CO, CO2 and I.M.E.P Levels EXPERIMENTAL STAR-CD OP3 OP4 OP5 EXPERIMENTAL STAR-CD OP3 OP4 OP5 CO emissions NOx emissions EXPERIMENTAL STAR-CD OP3 OP4 OP5 CO2 emissions EXPERIMENTAL RUN OP3 OP4 OP5 IMEP on closed cycle [bar] Page 16
17 Application II : GDI Spray Guided GDI Engine cases : Case, 3 4 and 5 Full load Soot Distribution SOOT SECTIONAL METHOD Diameter Page 17
18 Application II : GDI Spray guided Spark timing +3 degrees CA knocking condition@ 5200 RPM Full load Iso-G Iso-Temperature fuel TDC 5CA ATDC As expected the thin reaction zone is in the thinner layer Page 18
19 Application II : GDI Spray guided 2000 RPM Full load Spark timing +3 degrees CA knocking condition Mean In-cylinder pressure Monitoring local pressure Experiments Prediction + 3 CA advance ST Severe knock (expected) Monitoring local pressure Monitoring local pressure Propyl radical H2O2 Intermediate Temperature Chain Branching Page 19
20 Application II : GDI Spray guided 2000 RPM Full load Spark timing +3 degrees CA knocking condition : Chain Branching radical indicating knock onset in space and time Monitoring local pressure Progress variable of combustion Page 20 Propyl radical H2O2 Intermediate Temperature Chain Branching
21 SUMMARY G-equation and detailed chemistry in STAR-CD V4.28 * has been investigated and validated for different engine configurations Low and full load combustion have been investigated The combination of G-equation/detailed chemistry and tables demonstrate good capabilities in a large range of the engine map (speed, load, EGR, knock) Good match for global thermodynamic quantities Good match for combustion history Absolute for emissions (Soot and NOx) are well predicted The soot sectional method is very promising to control soot particle size at source (source terms tabulated or computed on the fly from the detailed mechanism) Currently investigating Diesel combustion and detailed chemistry, SI Large eddy simulation and detailed chemistry Other details IMEM@SAE 2017 (IMEM@SAE2016) Date release STAR-CD V4.28 : May 2017 Page 21 *Actually STAR-CD V4.27 STABLE development version
Recent enhancement to SI-ICE combustion models: Application to stratified combustion under large EGR rate and lean burn
Recent enhancement to SI-ICE combustion models: Application to stratified combustion under large EGR rate and lean burn G. Desoutter, A. Desportes, J. Hira, D. Abouri, K.Oberhumer, M. Zellat* TOPICS Introduction
More informationMarc ZELLAT, Driss ABOURI, Thierry CONTE and Riyad HECHAICHI CD-adapco
16 th International Multidimensional Engine User s Meeting at the SAE Congress 2006,April,06,2006 Detroit, MI RECENT ADVANCES IN SI ENGINE MODELING: A NEW MODEL FOR SPARK AND KNOCK USING A DETAILED CHEMISTRY
More informationOverview & Perspectives for Internal Combustion Engine using STAR-CD. Marc ZELLAT
Overview & Perspectives for Internal Combustion Engine using STAR-CD Marc ZELLAT TOPICS Quick overview of ECFM family models Examples of validation for Diesel and SI-GDI engines Introduction to multi-component
More informationEmissions predictions for Diesel engines based on chemistry tabulation
Emissions predictions for Diesel engines based on chemistry tabulation C. Meijer, F.A. Tap AVL Dacolt BV (The Netherlands) M. Tvrdojevic, P. Priesching AVL List GmbH (Austria) 1. Introduction It is generally
More informationMarc ZELLAT, Driss ABOURI, Thierry CONTE. CD-adapco Group
Advanced modeling of DI Diesel Engines: Investigations on Combustion, High EGR level and multipleinjection Application to DI Diesel Combustion Optimization Marc ZELLAT, Driss ABOURI, Thierry CONTE CD-adapco
More informationModeling Constant Volume Chamber Combustion at Diesel Engine Condition
Modeling Constant Volume Chamber Combustion at Diesel Engine Condition Z. Hu, R.Cracknell*, L.M.T. Somers Combustion Technology Department of Mechanical Engineering Eindhoven University of Technology *Shell
More informationIntroduction to combustion
Introduction to combustion EEN-E005 Bioenergy 1 017 D.Sc (Tech) ssi Kaario Motivation Why learn about combustion? Most of the energy in the world, 70-80%, is produced from different kinds of combustion
More informationFoundations of Thermodynamics and Chemistry. 1 Introduction Preface Model-Building Simulation... 5 References...
Contents Part I Foundations of Thermodynamics and Chemistry 1 Introduction... 3 1.1 Preface.... 3 1.2 Model-Building... 3 1.3 Simulation... 5 References..... 8 2 Reciprocating Engines... 9 2.1 Energy Conversion...
More informationMarc ZELLAT, Driss ABOURI and Stefano DURANTI CD-adapco
17 th International Multidimensional Engine User s Meeting at the SAE Congress 2007,April,15,2007 Detroit, MI RECENT ADVANCES IN DIESEL COMBUSTION MODELING: THE ECFM- CLEH COMBUSTION MODEL: A NEW CAPABILITY
More informationPDF-based simulations of in-cylinder combustion in a compression-ignition engine
Paper # 070IC-0192 Topic: Internal Combustion Engines 8 th US National Combustion Meeting Organized by the Western States Section of the Combustion Institute and hosted by the University of Utah May 19-22,
More informationPPC FOR LOW LOAD CONDITIONS IN MARINE ENGINE USING COMPUTATIONAL AND EXPERIMENTAL TECHNIQUES
PPC FOR LOW LOAD CONDITIONS IN MARINE ENGINE USING COMPUTATIONAL AND EXPERIMENTAL TECHNIQUES Presented By:Kendra Shrestha Authors: K.Shrestha, O.Kaario, M. Imperato, T. Sarjovaara, M. Larmi Internal Combusion
More informationCFD Combustion Models for IC Engines. Rolf D. Reitz
CFD Combustion Models for IC Engines Rolf D. Reitz Engine Research Center University of Wisconsin-Madison ERC Symposium, June 7, 27 http://www.cae.wisc.edu/~reitz Combustion and Emission Models at the
More informationGas exchange and fuel-air mixing simulations in a turbocharged gasoline engine with high compression ratio and VVA system
Third Two-Day Meeting on Internal Combustion Engine Simulations Using the OpenFOAM technology, Milan 22 nd -23 rd February 2018. Gas exchange and fuel-air mixing simulations in a turbocharged gasoline
More informationUniversità degli Studi di Roma Tor Vergata Modeling Combustion of Methane- Hydrogen Blends in Internal Combustion Engines (BONG-HY)
Università degli Studi di Roma Tor Vergata Modeling Combustion of Methane- Hydrogen Blends in Internal Combustion Engines (BONG-HY) Prof. Stefano Cordiner Ing. Vincenzo Mulone Ing. Riccardo Scarcelli Index
More informationIncorporation of Flamelet Generated Manifold Combustion Closure to OpenFOAM and Lib-ICE
Multiphase and Reactive Flows Group 3 rd Two-day Meeting on IC Engine Simulations Using OpenFOAM Technology 22-23 Feb 2018 - Milano Incorporation of Flamelet Generated Manifold Combustion Closure to OpenFOAM
More informationNormal vs Abnormal Combustion in SI engine. SI Combustion. Turbulent Combustion
Turbulent Combustion The motion of the charge in the engine cylinder is always turbulent, when it is reached by the flame front. The charge motion is usually composed by large vortexes, whose length scales
More informationLib-ICE A C++ object-oriented library for internal combustion engine simulations: spray and combustion modeling
5 th OpenFOAM Workshop, Goteborg, 21-24 June 2010 Lib-ICE A C++ object-oriented library for internal combustion engine simulations: spray and combustion modeling T. Lucchini, G. D Errico, D. Ettorre, E.
More informationEvolution of Particle Size Distribution within the Engine Exhaust and Aftertreatment System
Evolution of Particle Size Distribution within the Engine Exhaust and Aftertreatment System A. J. Smallbone (1, 2), D. Z. Y. Tay (2), W. L. Heng (2), S. Mosbach (2), A. York (2,3), M. Kraft (2) (1) cmcl
More informationCOMBUSTION in SI ENGINES
Internal Combustion Engines MAK 493E COMBUSTION in SI ENGINES Prof.Dr. Cem Soruşbay Istanbul Technical University Internal Combustion Engines MAK 493E Combustion in SI Engines Introduction Classification
More informationRecent Advances in DI-Diesel Combustion Modeling in AVL FIRE A Validation Study
International Multidimensional Engine Modeling User s Group Meeting at the SAE Congress April 15, 2007 Detroit, MI Recent Advances in DI-Diesel Combustion Modeling in AVL FIRE A Validation Study R. Tatschl,
More informationTHE USE OF Φ-T MAPS FOR SOOT PREDICTION IN ENGINE MODELING
THE USE OF ΦT MAPS FOR SOOT PREDICTION IN ENGINE MODELING Arturo de Risi, Teresa Donateo, Domenico Laforgia Università di Lecce Dipartimento di Ingegneria dell Innovazione, 731 via Arnesano, Lecce Italy
More informationCrankcase scavenging.
Software for engine simulation and optimization www.diesel-rk.bmstu.ru The full cycle thermodynamic engine simulation software DIESEL-RK is designed for simulating and optimizing working processes of two-
More informationCOMBUSTION in SI ENGINES
Internal Combustion Engines ME422 COMBUSTION in SI ENGINES Prof.Dr. Cem Soruşbay Internal Combustion Engines Combustion in SI Engines Introduction Classification of the combustion process Normal combustion
More informationTowards a Universal Combustion Model in STAR-CD for IC Engines: From GDI to HCCI and Application to DI Diesel Combustion Optimization
Towards a Universal Combustion Model in STAR-CD for IC Engines: From GDI to HCCI and Application to DI Diesel Combustion Optimization Marc ZELLAT*, Stefano DURANTI, YongJun LIANG, Cedomir KRALJ and Gerald
More informationIC Engines Roadmap. STAR-CD/es-ice v4.18 and Beyond. Richard Johns
IC Engines Roadmap STAR-CD/es-ice v4.18 and Beyond Richard Johns Strategy es-ice v4.18 2D Automated Template Meshing Spray-adapted Meshing Physics STAR-CD v4.18 Contents Sprays: ELSA Spray-Wall Impingement
More informationCFD Simulation of Dry Low Nox Turbogas Combustion System
CFD Simulation of Dry Low Nox Turbogas Combustion System L. Bucchieri - Engin Soft F. Turrini - Fiat Avio CFX Users Conference - Friedrichshafen June 1999 1 Objectives Develop a CFD model for turbogas
More information* Corresponding author
Characterization of Dual-Fuel PCCI Combustion in a Light-Duty Engine S. L. Kokjohn * and R. D. Reitz Department of Mechanical Engineering University of Wisconsin - Madison Madison, WI 5376 USA Abstract.
More informationSI engine combustion
SI engine combustion 1 SI engine combustion: How to burn things? Reactants Products Premixed Homogeneous reaction Not limited by transport process Fast/slow reactions compared with other time scale of
More informationCombustion calibration in a Methane port fuel injection engine with the STAR-CD ISSIM embedding the ECFM-3Z model
Prague Czech Republic March 7-9, 2016 Combustion calibration in a Methane port fuel injection engine with the STAR-CD ISSIM embedding the ECFM-3Z model INDEX 1. PROBLEM PROPOSED 2. ANALYTICAL & NUMERICAL
More informationSystem Simulation for Aftertreatment. LES for Engines
System Simulation for Aftertreatment LES for Engines Christopher Rutland Engine Research Center University of Wisconsin-Madison Acknowledgements General Motors Research & Development Caterpillar, Inc.
More informationMaximizing Engine Efficiency by Controlling Fuel Reactivity Using Conventional and Alternative Fuels. Sage Kokjohn
Maximizing Engine Efficiency by Controlling Fuel Reactivity Using Conventional and Alternative Fuels Sage Kokjohn Acknowledgments Direct-injection Engine Research Consortium (DERC) US Department of Energy/Sandia
More informationLES of Spray Combustion using Flamelet Generated Manifolds
LES of Spray Combustion using Flamelet Generated Manifolds Armin Wehrfritz, Ville Vuorinen, Ossi Kaario and Martti Larmi armin.wehrfritz@aalto.fi Aalto University Thermodynamics and Combustion technology
More informationLecture 4 CFD for Bluff-Body Stabilized Flames
Lecture 4 CFD for Bluff-Body Stabilized Flames Bluff Body Stabilized flames with or without swirl are in many laboratory combustors Applications to ramjets, laboratory burners, afterburners premixed and
More informationDevelopment of new combustion strategy for internal combustion engine fueled by pure ammonia
Development of new combustion strategy for internal combustion engine fueled by pure ammonia Dongeun Lee, Hyungeun Min, Hyunho park, Han Ho Song Seoul National University Department of Mechanical Engineering
More informationEFFECT OF INJECTION ORIENTATION ON EXHAUST EMISSIONS IN A DI DIESEL ENGINE: THROUGH CFD SIMULATION
EFFECT OF INJECTION ORIENTATION ON EXHAUST EMISSIONS IN A DI DIESEL ENGINE: THROUGH CFD SIMULATION *P. Manoj Kumar 1, V. Pandurangadu 2, V.V. Pratibha Bharathi 3 and V.V. Naga Deepthi 4 1 Department of
More informationNumerical Investigation of the Influence of different Valve Seat Geometries on the In-Cylinder Flow and Combustion in Spark Ignition Engines
Institute for Combustion and Gas Dynamics Fluid Dynamics Numerical Investigation of the Influence of different Valve Seat Geometries on the In-Cylinder Flow and Combustion in Spark Ignition Engines Peter
More informationSimulation of the Mixture Preparation for an SI Engine using Multi-Component Fuels
ICE Workshop, STAR Global Conference 2012 March 19-21 2012, Amsterdam Simulation of the Mixture Preparation for an SI Engine using Multi-Component Fuels Michael Heiss, Thomas Lauer Content Introduction
More informationPOSIBILITIES TO IMPROVED HOMOGENEOUS CHARGE IN INTERNAL COMBUSTION ENGINES, USING C.F.D. PROGRAM
POSIBILITIES TO IMPROVED HOMOGENEOUS CHARGE IN INTERNAL COMBUSTION ENGINES, USING C.F.D. PROGRAM Alexandru-Bogdan Muntean *, Anghel,Chiru, Ruxandra-Cristina (Dica) Stanescu, Cristian Soimaru Transilvania
More informationImproving Fuel Efficiency with Fuel-Reactivity-Controlled Combustion
ERC Symposium 2009 1 Improving Fuel Efficiency with Fuel-Reactivity-Controlled Combustion Rolf D. Reitz, Reed Hanson, Derek Splitter, Sage Kokjohn Engine Research Center University of Wisconsin-Madison
More informationFigure 1: The spray of a direct-injecting four-stroke diesel engine
MIXTURE FORMATION AND COMBUSTION IN CI AND SI ENGINES 7.0 Mixture Formation in Diesel Engines Diesel engines can be operated both in the two-stroke and four-stroke process. Diesel engines that run at high
More informationHydrogen addition in a spark ignition engine
Hydrogen addition in a spark ignition engine F. Halter, C. Mounaïm-Rousselle Laboratoire de Mécanique et d Energétique Orléans, FRANCE GDRE «Energetics and Safety of Hydrogen» 27/12/2007 Main advantages
More informationControl of PCCI Combustion using Physical and Chemical Characteristics of Mixed Fuel
Doshisha Univ. - Energy Conversion Research Center International Seminar on Recent Trend of Fuel Research for Next-Generation Clean Engines December 5th, 27 Control of PCCI Combustion using Physical and
More informationModule 2:Genesis and Mechanism of Formation of Engine Emissions Lecture 9:Mechanisms of HC Formation in SI Engines... contd.
Mechanisms of HC Formation in SI Engines... contd. The Lecture Contains: HC from Lubricating Oil Film Combustion Chamber Deposits HC Mixture Quality and In-Cylinder Liquid Fuel HC from Misfired Combustion
More informationCombustion PVM-MF. The PVM-MF model has been enhanced particularly for dualfuel
Contents Extensive new capabilities available in STAR-CD/es-ice v4.20 Combustion Models see Marc Zellat presentation Spray Models LES New Physics Developments in v4.22 Combustion Models PVM-MF Crank-angle
More informationEffect of Reformer Gas on HCCI Combustion- Part II: Low Octane Fuels
Effect of Reformer Gas on HCCI Combustion- Part II: Low Octane Fuels Vahid Hosseini, and M David Checkel Mechanical Engineering University of Alberta, Edmonton, Canada project supported by Auto21 National
More informationNatural Gas fuel for Internal Combustion Engine
Natural Gas fuel for Internal Combustion Engine L. Bartolucci, S. Cordiner, V. Mulone, V. Rocco University of Rome Tor Vergata Department of Industrial Engineering Outline Introduction Motivations and
More information1 ERC Symposium - Future Engines and Their Fuels
Future Fuels and Reactivity Controlled Compression Ignition (RCCI) Rolf D. Reitz, Reed M. Hanson, Sage L. Kokjohn, Derek A. Splitter, Adam Dempsey, Bishwadipa Das Adhikary, Sandeep Viswanathan, ERC Students
More informationMODELING AND ANALYSIS OF DIESEL ENGINE WITH ADDITION OF HYDROGEN-HYDROGEN-OXYGEN GAS
S465 MODELING AND ANALYSIS OF DIESEL ENGINE WITH ADDITION OF HYDROGEN-HYDROGEN-OXYGEN GAS by Karu RAGUPATHY* Department of Automobile Engineering, Dr. Mahalingam College of Engineering and Technology,
More informationCOMBUSTION AND EXHAUST EMISSION IN COMPRESSION IGNITION ENGINES WITH DUAL- FUEL SYSTEM
COMBUSTION AND EXHAUST EMISSION IN COMPRESSION IGNITION ENGINES WITH DUAL- FUEL SYSTEM WLADYSLAW MITIANIEC CRACOW UNIVERSITY OF TECHNOLOGY ENGINE-EXPO 2008 OPEN TECHNOLOGY FORUM STUTTGAT, 7 MAY 2008 APPLICATIONS
More informationDual Fuel Engine Charge Motion & Combustion Study
Dual Fuel Engine Charge Motion & Combustion Study STAR-Global-Conference March 06-08, 2017 Berlin Kamlesh Ghael, Prof. Dr. Sebastian Kaiser (IVG-RF), M. Sc. Felix Rosenthal (IFKM-KIT) Introduction: Operation
More informationSimulating Gas-Air Mixture Formation for Dual-Fuel Applications
Simulating Gas-Air Mixture Formation for Dual-Fuel Applications Karri Keskinen, Ossi Kaario, Mika Nuutinen, Ville Vuorinen, Zaira Künsch and Martti Larmi Thermodynamics and Combustion Technology Research
More information3D CFD Modeling of Gas Exchange Processes in a Small HCCI Free Piston Engine
3D CFD Modeling of Gas Exchange Processes in a Small HCCI Free Piston Engine Aimilios Sofianopoulos, Benjamin Lawler, Sotirios Mamalis Department of Mechanical Engineering Stony Brook University Email:
More informationHomogeneous Charge Compression Ignition combustion and fuel composition
Loughborough University Institutional Repository Homogeneous Charge Compression Ignition combustion and fuel composition This item was submitted to Loughborough University's Institutional Repository by
More informationDARS v2.10 New Features & Enhancements
DARS v2.10 New Features & Enhancements Why DARS? Enabling detailed chemistry in your CAE simulations Take the right design choices, including chemical effects Faster and cheaper design cycles Evaluation
More informationWhich are the four important control loops of an spark ignition (SI) engine?
151-0567-00 Engine Systems (HS 2017) Exercise 1 Topic: Lecture 1 Johannes Ritzmann (jritzman@ethz.ch), Raffi Hedinger (hraffael@ethz.ch); October 13, 2017 Problem 1 (Control Systems) Why do we use control
More information8 th International Symposium TCDE Choongsik Bae and Sangwook Han. 9 May 2011 KAIST Engine Laboratory
8 th International Symposium TCDE 2011 Choongsik Bae and Sangwook Han 9 May 2011 KAIST Engine Laboratory Contents 1. Background and Objective 2. Experimental Setup and Conditions 3. Results and Discussion
More informationPotential of Modern Internal Combustion Engines Review of Recent trends
Potential of Modern Internal Combustion Engines Review of Recent trends David Kittelson Department of Mechanical Engineering University of Minnesota February 15, 2011 Outline Background Current engine
More informationDARS FUEL MODEL DEVELOPMENT
DARS FUEL MODEL DEVELOPMENT DARS Products (names valid since October 2012) DARS 0D & 1D tools Old name: DARS Basic DARS Reactive Flow Models tools for 3D/ CFD calculations DARS Fuel New! Advanced fuel
More informationInfluence of ANSYS FLUENT on Gas Engine Modeling
Influence of ANSYS FLUENT on Gas Engine Modeling George Martinas, Ovidiu Sorin Cupsa 1, Nicolae Buzbuchi, Andreea Arsenie 2 1 CERONAV 2 Constanta Maritime University Romania georgemartinas@ceronav.ro,
More informationIncreased efficiency through gasoline engine downsizing
Loughborough University Institutional Repository Increased efficiency through gasoline engine downsizing This item was submitted to Loughborough University's Institutional Repository by the/an author.
More informationCHAPTER 8 EFFECTS OF COMBUSTION CHAMBER GEOMETRIES
112 CHAPTER 8 EFFECTS OF COMBUSTION CHAMBER GEOMETRIES 8.1 INTRODUCTION Energy conservation and emissions have become of increasing concern over the past few decades. More stringent emission laws along
More informationCRN Application to Predict the NOx Emissions for Industrial Combustion Chamber
CRN Application to Predict the NOx Emissions for Industrial Combustion Chamber Nguyen Thanh Hao 1 & Park Jungkyu 2 1 Heat and Refrigeration Faculty, Industrial University of HoChiMinh City, HoChiMinh,
More informationIn-Cylinder Engine Calculations: New Features and Upcoming Capabilities Richard Johns & Gerald Schmidt
In-Cylinder Engine Calculations: New Features and Upcoming Capabilities Richard Johns & Gerald Schmidt Contents Brief Review of STAR-CD/es-ice v4.20 Combustion Models Spray Models LES New Physics Developments
More informationModule7:Advanced Combustion Systems and Alternative Powerplants Lecture 32:Stratified Charge Engines
ADVANCED COMBUSTION SYSTEMS AND ALTERNATIVE POWERPLANTS The Lecture Contains: DIRECT INJECTION STRATIFIED CHARGE (DISC) ENGINES Historical Overview Potential Advantages of DISC Engines DISC Engine Combustion
More informationPerformance of a Compression-Ignition Engine Using Direct-Injection of Liquid Ammonia/DME Mixture
Performance of a Compression-Ignition Engine Using Direct-Injection of Liquid Ammonia/DME Mixture Song-Charng Kong Matthias Veltman, Christopher Gross Department of Mechanical Engineering Iowa State University
More informationINFLUENCE OF INTAKE AIR TEMPERATURE AND EXHAUST GAS RECIRCULATION ON HCCI COMBUSTION PROCESS USING BIOETHANOL
ENGINEERING FOR RURAL DEVELOPMENT Jelgava, 2.-27..216. INFLUENCE OF INTAKE AIR TEMPERATURE AND EXHAUST GAS RECIRCULATION ON HCCI COMBUSTION PROCESS USING BIOETHANOL Kastytis Laurinaitis, Stasys Slavinskas
More informationCRN Application to Predict the NOx Emissions for Industrial Combustion Chamber
Asian Journal of Applied Science and Engineering, Volume 2, No 2/2013 ISSN 2305-915X(p); 2307-9584(e) CRN Application to Predict the NOx Emissions for Industrial Combustion Chamber Nguyen Thanh Hao 1,
More informationInternational Multidimensional Engine Modeling User s Group Meeting April 7, 2014, Detroit, Michigan, USA
International Multidimensional Engine Modeling User s Group Meeting April 7, 24, Detroit, Michigan, USA An extended CMC model for the simulation of diesel engines with multiple injections Michele Bolla,
More informationRapid Meshing and Advanced Physical Modeling for Gasoline DI Engine Application
Rapid Meshing and Advanced Physical Modeling for Gasoline DI Engine Application R. Tatschl, H. Riediger, Ch. v. Künsberg Sarre, N. Putz and F. Kickinger AVL LIST GmbH A-8020 Graz AUSTRIA Gasoline direct
More informationAssessment of Water Injection in a SI Engine using a Fast Running Detailed Chemistry Based Combustion Model
Symposium for Combustion Control 2018 1 Assessment of Water Injection in a SI Engine using a Fast Running Detailed Chemistry Based Combustion Model Tim Franken, Corinna Netzer, Michal Pasternak and Fabian
More informationEEN-E2002 Combustion Technology 2017 LE 3 answers
EEN-E2002 Combustion Technology 2017 LE 3 answers 1. Plot the following graphs from LEO-1 engine with data (Excel_sheet_data) attached on my courses? (12 p.) a. Draw cyclic pressure curve. Also non-fired
More informationAN EXPERIMENT STUDY OF HOMOGENEOUS CHARGE COMPRESSION IGNITION COMBUSTION AND EMISSION IN A GASOLINE ENGINE
THERMAL SCIENCE: Year 2014, Vol. 18, No. 1, pp. 295-306 295 AN EXPERIMENT STUDY OF HOMOGENEOUS CHARGE COMPRESSION IGNITION COMBUSTION AND EMISSION IN A GASOLINE ENGINE by Jianyong ZHANG *, Zhongzhao LI,
More informationNumerical Modelling of Mixture Formation and Combustion in DISI Hydrogen Engines with Various Injection Strategies
Copyright 2014 SAE International 2014-01-2577 Numerical Modelling of Mixture Formation and Combustion in DISI Hydrogen Engines with Various Injection Strategies A. Hamzehloo and P.G. Aleiferis University
More informationCombustion Equipment. Combustion equipment for. Solid fuels Liquid fuels Gaseous fuels
Combustion Equipment Combustion equipment for Solid fuels Liquid fuels Gaseous fuels Combustion equipment Each fuel type has relative advantages and disadvantages. The same is true with regard to firing
More informationHERCULES-2 Project. Deliverable: D8.8
HERCULES-2 Project Fuel Flexible, Near Zero Emissions, Adaptive Performance Marine Engine Deliverable: D8.8 Study an alternative urea decomposition and mixer / SCR configuration and / or study in extended
More informationConfirmation of paper submission
Dr. Marina Braun-Unkhoff Institute of Combustion Technology DLR - German Aerospace Centre Pfaffenwaldring 30-40 70569 Stuttgart 28. Mai 14 Confirmation of paper submission Name: Email: Co-author: 2nd co-author:
More informationis the crank angle between the initial spark and the time when about 10% of the charge is burned. θ θ
ME 410 Day 30 Phases of Combustion 1. Ignition 2. Early flame development θd θ 3. Flame propagation b 4. Flame termination The flame development angle θd is the crank angle between the initial spark and
More informationNumerical Investigation of the Effect of Excess Air and Thermal Power Variation in a Liquid Fuelled Boiler
Proceedings of the World Congress on Momentum, Heat and Mass Transfer (MHMT 16) Prague, Czech Republic April 4 5, 2016 Paper No. CSP 105 DOI: 10.11159/csp16.105 Numerical Investigation of the Effect of
More informationInvestigation on Diesel Engine for Airflow and Combustion in a Hemispherical Combustion Chamber
International Journal of Current Engineering and Technology E-ISSN 2277 4106, P-ISSN 2347 5161 2015INPRESSCO, All Rights Reserved Available at http://inpressco.com/category/ijcet Research Article Investigation
More informationCHAPTER 1 INTRODUCTION
1 CHAPTER 1 INTRODUCTION 1.1 GENERAL Diesel engines are the primary power source of vehicles used in heavy duty applications. The heavy duty engine includes buses, large trucks, and off-highway construction
More informationParticle Reduced, Efficient Gasoline Engines. Horizon 2020 GV Technologies for low emission light duty powertrains GA #
Particle Reduced, Efficient Gasoline Engines Horizon 2020 GV-2-2016 Technologies for low emission light duty powertrains GA # 723954 Deliverable No. PaREGEn D1.4 Deliverable Title Report on engine emissions
More informationA Study of EGR Stratification in an Engine Cylinder
A Study of EGR Stratification in an Engine Cylinder Bassem Ramadan Kettering University ABSTRACT One strategy to decrease the amount of oxides of nitrogen formed and emitted from certain combustion devices,
More informationDr Ali Jawarneh Department of Mechanical Engineering
Chapter 7: Combustion Dr Ali Jawarneh Department of Mechanical Engineering Hashemite University Outline In this lecture we will discuss the combustion process: The characteristics of the process. The different
More informationAE 1005 AUTOMOTIVE ENGINES COMBUSTION IN SI ENGINES
AE 1005 AUTOMOTIVE ENGINES COMBUSTION IN SI ENGINES Syllabus Combustion in premixed and diffusion flames - Combustion process in IC engines. Stages of combustion - Flame propagation - Flame velocity and
More informationair had to be heated to a high level to achieve HCCI operation due to the low level of internal residuals inherent in four-stroke engines.
LITERATURE REVIEW HCCI is an alternative and attractive combustion mode for internal combustion engines that offers the potential for high diesel-like efficiencies and dramatic reduction in NOx and PM
More informationModeling and Optimization of Trajectory-based HCCI Combustion
018 CCEFP IEC Summit at the University of Minnesota Modeling and Optimization of Trajectory-based HCCI Combustion 018 CSSCI Spring Technical Meeting Chen Zhang Abhinav Tripathi Professor Zongxuan Sun Department
More informationModeling the effect of EGR on combustion and pollution of dual fuel engines with flow field model
International Journal of Energy and Environmental Engineering ISSN: 28-963 Vol. / No.(pp.9-26) / Fall2 Modeling the effect of EGR on combustion and pollution of dual fuel engines with flow field model
More informationEngineering Success by Application of STAR-CCM+ for Modern Gas Turbine Design
STAR Japanese Conference 2013 December 3, Yokohama, Japan Engineering Success by Application of STAR-CCM+ for Modern Gas Turbine Design Norbert Moritz, Karsten Kusterer, René Braun, Anis Haj Ayed B&B-AGEMA
More informationProgress in Predicting Soot Particle Numbers in CFD Simulations of GDI and Diesel Engines
International Multidimensional Engine Modeling User's Group Meeting April 20, 2015, Detroit, Michigan Progress in Predicting Soot Particle Numbers in CFD Simulations of GDI and Diesel Engines Abstract
More informationNumerically Analysing the Effect of EGR on Emissions of DI Diesel Engine Having Toroidal Combustion Chamber Geometry
Numerically Analysing the Effect of EGR on Emissions of DI Diesel Engine Having Toroidal Combustion Chamber Geometry Jibin Alex 1, Biju Cherian Abraham 2 1 Student, Dept. of Mechanical Engineering, M A
More informationScholars' Mine. Hassan A. Khairallah. Summer 2015
Scholars' Mine Doctoral Dissertations Student Research & Creative Works Summer 2015 Combustion and pollutant characteristics of IC engines fueled with hydrogen and diesel/hydrogen mixtures using 3D computations
More informationDigital Shaping and Optimization of Fuel Injection Pattern for a Common Rail Automotive Diesel Engine through Numerical Simulation
Digital Shaping and Optimization of Fuel Injection Pattern for a Common Rail Automotive Diesel Engine through Numerical Simulation European GT Conference 2017 - Frankfurt am Main Politecnico di Torino:
More informationDevelopment of a two-dimensional internal combustion engines model using CFD for education purpose
20th International Congress on Modelling and Simulation, Adelaide, Australia, 1 6 December 2013 www.mssanz.org.au/modsim2013 Development of a two-dimensional internal combustion engines model using CFD
More informationEffects of Dilution Flow Balance and Double-wall Liner on NOx Emission in Aircraft Gas Turbine Engine Combustors
Effects of Dilution Flow Balance and Double-wall Liner on NOx Emission in Aircraft Gas Turbine Engine Combustors 9 HIDEKI MORIAI *1 Environmental regulations on aircraft, including NOx emissions, have
More informationIMPACT OF NATURAL GAS DIRECT INJECTION ON THERMAL EFFICINECY IN A SPARK IGNITION ENGINE
Michigan Technological University Digital Commons @ Michigan Tech Dissertations, Master's Theses and Master's Reports 2017 IMPACT OF NATURAL GAS DIRECT INJECTION ON THERMAL EFFICINECY IN A SPARK IGNITION
More information5. Combustion of liquid fuels. 5.1 Atomization of fuel
5. Combustion of liquid fuels 5.1 Atomization of fuel iquid fuels such as gasoline, diesel, fuel oil light, fuel oil heavy or kerosene have to be atomized and well mixed with the combustion air before
More informationSimulation of Performance Parameters of Spark Ignition Engine for Various Ignition Timings
Research Article International Journal of Current Engineering and Technology ISSN 2277-4106 2013 INPRESSCO. All Rights Reserved. Available at http://inpressco.com/category/ijcet Simulation of Performance
More informationFuel Effects in Advanced Combustion -Partially Premixed Combustion (PPC) with Gasoline-Type Fuels. William Cannella. Chevron
Fuel Effects in Advanced Combustion -Partially Premixed Combustion (PPC) with Gasoline-Type Fuels William Cannella Chevron Acknowledgement Work Done In Collaboration With: Vittorio Manente, Prof. Bengt
More informationPM Emissions from HCCI Engines
PM Emissions from HCCI Engines H.M. Xu, J. Misztal, M.L. Wyszynski University of Birmingham P. Price, R. Stone Oxford University J. Qiao Jaguar Cars Particulate matter and measurement Cambridge University,
More informationThe Effect of Volume Ratio of Ethanol Directly Injected in a Gasoline Port Injection Spark Ignition Engine
10 th ASPACC July 19 22, 2015 Beijing, China The Effect of Volume Ratio of Ethanol Directly Injected in a Gasoline Port Injection Spark Ignition Engine Yuhan Huang a,b, Guang Hong a, Ronghua Huang b. a
More information