Ingemar Denbratt

Professor at Chalmers, Mechanics and Maritime Sciences, Combustion

Professor Ingemar Denbratt is the Head of Division of Combustion.

Source: chalmers.se

Projects

2015–2017

High efficient Otto engine with diluted combustion II

Magnus Skoglundh Applied Surface Chemistry
Ingemar Denbratt Combustion
Per-Anders Carlsson Applied Surface Chemistry
Swedish Energy Agency

2012–2014

High efficiency Otto combustion engine with diluted combustion

Ingemar Denbratt Combustion
Magnus Skoglundh Applied Surface Chemistry
Per-Anders Carlsson Applied Surface Chemistry
Swedish Energy Agency

2015–2019

Future alternative transport fuels (Future Fuels)

Ingemar Denbratt Combustion
Karin Munch Combustion
Josefine Preuss Combustion
Maria Grahn Physical Resource Theory
Frances Sprei Physical Resource Theory
Sofia Poulikidou Physical Resource Theory
Julia Hansson Physical Resource Theory
Selma Brynolf Physical Resource Theory
Simon Harvey Energy Technology
Swedish Energy Agency

2012–2014

Energy efficient emissions reduction II

Ingemar Denbratt Combustion
Magnus Skoglundh Applied Surface Chemistry
Swedish Energy Agency

2015–2019

Future alternative fuels for transport

Ingemar Denbratt Combustion
Perstorp BioProducts
Scania CV AB
Volvo Cars
Lantmännen Energi
Preem
Swedish Energy Agency
St1 Sverige
Volvo Powertrain
Saybolt Sweden

2013–2016

Butanol as a fuel for Diesel engines

Ingemar Denbratt Combustion
Karin Munch Combustion
Tankai Zhang Combustion
Swedish Energy Agency

2013–2016

Design and implementation of Energy Management for HEV/PHEV and optimization of a Range Extender vehicle

Ingemar Denbratt Combustion
Bo Egardt Automatic Control
Swedish Energy Agency

2011–2012

Grundläggande förståelse och beräkningsmetoder för Stirlingmotorer

Ingemar Denbratt Combustion
Lars-Erik Eriksson Fluid Dynamics
VINNOVA

2012–2014

Directinjection Biogas engine

Ingemar Denbratt Combustion
Swedish Energy Agency

2013–2013

DME technology for Euro VI/US10

Ingemar Denbratt Combustion
Swedish Energy Agency

2012–2013

NESS – Evaluation of NESS for Comersial Vehicle diesel engine

Ingemar Denbratt Combustion
Swedish Energy Agency

2014–2015

Energy-efficient LOw-emission Vehicle laboratory (ELOV)

Ingemar Denbratt Combustion
VINNOVA

2011–2012

Evaluation of the "Nyström" engine

Ingemar Denbratt Combustion
Swedish Energy Agency

2013–2015

Development of steam expander

Ingemar Denbratt Combustion
Gunnar Latz Combustion
Swedish Energy Agency

2012–2014

Internal Combustion Engine for a parallell hybrid

Ingemar Denbratt Combustion
Swedish Energy Agency

2011–2014

Optimal Transport of Heat from Exposed Components (OTHEC)

Ingemar Denbratt Combustion
Lars Davidson Fluid Dynamics
Swedish Energy Agency

2014–2015

Waste Heat Recovery

Ingemar Denbratt Combustion
Sven B Andersson Combustion
Gunnar Latz Combustion
Karin Munch Combustion
Swedish Energy Agency

2012–2015

CO2 REduction for long distance transport (CORE)

Ingemar Denbratt Combustion
Jonas Sjöblom Combustion
European Commission (FP7)

There might be more projects where Ingemar Denbratt participates, but you have to be logged in as a Chalmers employee to see them.

Publications

2017

High Pressure Ethanol Injection under Diesel-Like Conditions

Michael Saccullo, Mats Andersson, Jan Eismark et al
SAE Technical Papers (March)
Paper in proceedings
2017

Combustion Characteristics for Partially Premixed and Conventional Combustion of Butanol and Octanol Isomers in a Light Duty Diesel Engine

Tankai Zhang, Karin Munch, Ingemar Denbratt
SAE Technical Papers. Vol. 2017-October (October)
Journal article
2017

Comparison of E10 and E85 spark ignited stratified combustion and soot formation

Lars Christian Riis Johansen, Stina Hemdal, Ingemar Denbratt
Fuel. Vol. 205, p. 11-23
Journal article
2016

Effect of using butanol and octanol isomers on engine performance of steady state and cold start ability in different types of Diesel engines

Tankai Zhang, Lisa Jacobsson Nilsson, Cecilia Björkholtz et al
Fuel. Vol. 184, p. 708-717
Journal article
2016

Transient Responses of Various Ammonia Formation Catalyst Configurations for Passive SCR in Lean-Burning Gasoline Engines under Various Real Engine Conditions

Gerben Doornbos, Stina Hemdal, Daniel Dahl et al
SAE Technical Papers. Vol. 2016-April
Paper in proceedings
2016

Low-Carbon Transport: Health and Climate Benefits

Jac Wismans, Maria Grahn, Ingemar Denbratt
Report
2015

Sustainable Automotive Technologies 2014

Ingemar Denbratt, Alexandar Subic, Jörg Wellnitz
Edited book
2015

Impact of Combination of EGR, SCR and DPF Technologies for the Low-Emission Rail Diesel Engines

Athanasios Konstadopoulos, Margaritis Kostoglou, Carlo Beatrice et al
Emission Control Science and Technology. Vol. 1 (3), p. 213-225
Journal article
2015

Drive Cycle Particulate and Gaseous Emissions from a Parallel Hybrid Combustion Engine and Electric Powertrain

Lars Christian Riis Johansen, Ingemar Denbratt, Stina Hemdal
SAE Technical Papers (September)
Paper in proceedings
2015

An Experimental Study on the Use of Butanol or Octanol Blends in a Heavy Duty Diesel Engine

Tankai Zhang, Karin Munch, Ingemar Denbratt
SAE International Journal of Fuels and Lubricants. Vol. 8 (3)
Journal article
2015

Comparison of Lab Versus Engine Tests in the Development of a Highly Efficient Ammonia Formation Catalyst for a Passive SCR System

Gerben Doornbos, Emma Adams, Per-Anders Carlsson et al
SAE Technical Papers. Vol. 2015-September (September)
Paper in proceedings
2015

Experimental Investigation of Natural Gas-Diesel Dual-Fuel RCCI in a Heavy-Duty Engine

Zhiqin Jia, Ingemar Denbratt
SAE International Journal of Engines. Vol. 8 (2), p. 797-
Journal article
2014

DME combustion in heavy duty diesel engines

Henrik Salsing, Ingemar Denbratt
Abstract of Papers of the American Chemical Society. Vol. 248
Conference contribution
2014

The Validation of a Dual-Fuel Combustion Model for Heavy Duty Diesel Engines

Zhiqin Jia, Valeri Golovitchev, Ingemar Denbratt
Conference contribution
2013

NOx and soot emissions trends for RME, SME and PME fuels using engine and spray experiments in combination with simulations

Monica Johansson, Junfeng Yang, Raul Lima Ochoterena et al
Fuel. Vol. 106, p. 293-302
Journal article
2013

Emission reduction technologies for the future low emission rail diesel engines: EGR vs SCR

C. Beatrice, N. Rispoli, G.D. Di Blasio et al
SAE Technical Papers. Vol. 6
Paper in proceedings
2013

Optimised neat ethanol engine with stratified combustion at part-load; Particle emissions, efficiency and performance

Jonas Wärnberg, M. Boehmer, Ingemar Denbratt
SAE Technical Papers. Vol. 2, p. paper no. 2013-01-0254-
Conference contribution
2013

The role of charge stratification for reducing ringing in gasoline engine homogeneous charge compression ignition combustion investigated by optical imaging

Daniel Dahl, Mats Andersson, Ingemar Denbratt
International Journal of Engine Research. Vol. 14 (5), p. 525-536
Journal article
2012

Numerical analysis of combustion and emissions formation in a heavy duty DME engine

H. Salsing, Valeri Golovitchev, Ingemar Denbratt
Paper in proceedings
2012

Valve Profile Adaptation, Stratification, Boosting and 2-Stroke Strategies for Raising Loads of Gasoline HCCI Engines

Daniel Dahl, Ingemar Denbratt
SAE International Journal of Engines. Vol. 5 (3), p. 13-
Journal article
2011

HCCI/SCCI load limits and stoichiometric operation in a multicylinder naturally aspirated spark ignition engine operated on gasoline and E85

Daniel Dahl, Ingemar Denbratt
International Journal of Engine Research. Vol. 12 (1), p. 58-68
Journal article
2011

In-cylinder soot imaging and emissions of stratified combustion in a spark-ignited spray-guided direct-injection gasoline engine

Stina Hemdal, Mats Andersson, Petter Dahlander et al
International Journal of Engine Research. Vol. 12 (6), p. 549-563
Journal article
2011

The Origin of Pressure Waves in High Load HCCI Combustion: A High-Speed Video Analysis

Daniel Dahl, Mats Andersson, Ingemar Denbratt
Combustion Science and Technology. Vol. 183 (11), p. 1266-1281
Journal article
2011

Gasoline Direct Injection - Simulations and Experiments

Chen Huang, Andrei Lipatnikov, Valeri Golovitchev et al
ILASS2011. The 24th European Conference on Liquid Atomization and Spray Systems, Estoril, Portugal, September, 5-7, 2011, p. 4 pagews-
Conference contribution
2011

Evaporation of Gasoline-Like and Ethanol-Based Fuels in Hollow-Cone Sprays Investigated by Planar Laser-Induced Fluorescence and Mie Scattering

Mats Andersson, Jonas Wärnberg, Stina Hemdal et al
SAE Technical Papers, p. 2011-01-1889-
Journal article
2010

Optical studies of spray development and combustion of water-in-diesel emulsion and microemulsion fuels

Anna Lif, Raul Lima Ochoterena, Magnus Nydén et al
Fuel. Vol. 89 (1), p. 122-132
Journal article
2009

Effects of High Injection Pressure, EGR and Charge Air Pressure on Combustion and Emissions in an HD Single Cylinder Diesel Engine

Malin Ehleskog, Savo Gjirja, Ingemar Denbratt
SAE International Journal of Engines. Vol. 2 (2), p. 341-354
Journal article
2009

Stratified Cold Start Sprays of Gasoline-Ethanol Blends

Stina Hemdal, Jonas Wärnberg, Petter Dahlander et al
SAE SP 2241 SI Combustion and Direct Injection SI Engine TEchnology 2009, p. 397-410
Paper in proceedings
2009

Combustion and Emissions in a Light-Duty Diesel Engine using Diesel-Water Emulsions and Diesel-Ethanol Blends

Xiaoqi Cui, Arjan Helmantel, Valeri Golovitchev et al
SAE Paper 2009-01-2695, p. 1-16
Paper in proceedings
2009

Stratified Cold Start Sprays of Gasoline-Ethanol Blends

Stina Hemdal, Jonas Wärnberg, Petter Dahlander et al
SAE SP 2241 SI Combustion and Direct Injection SI Engine TEchnology 2009, p. 397-410
Paper in proceedings
2009

Reducing Pressure Fluctuations at High Loads by Means of Charge Stratification in HCCI Combustion with Negative Valve Overlap

Daniel Dahl, Andreas Berntsson, Ingemar Denbratt et al
SAE: Powertrains, Fuels and Lubricants Meeting, SFL 2009; Florence; Italy; 15 June 2009 through 15 June 2009
Paper in proceedings
2009

Effects of Varying Engine Settings on Combustion Parameters, Emissions, Soot and Temperature Distributions in Low Temperature Combustion of Fischer-Tropsch and Swedish Diesel Fuels

Monica Johansson, Savo Gjirja, Malin Ehleskog et al
SAE 2990 Powertrains, Fuels and Lubricants Meeting (SAE no 2009-01-2787)
Paper in proceedings
2009

Ignitability of hollow cone gasoline/gasoline-ethanol sprays

Jonas Wärnberg, Stina Hemdal, Mats Andersson et al
18. Aachener Kolloquium, Fahrzeug- und Motorentechnik. Vol. 1, p. 413-450
Conference contribution
2009

Performance of a Heavy Duty DME Engine - the Influence of Nozzle Parameters on Combustion and Spray Development

Henrik Salsing, Raul Lima Ochoterena, Ingemar Denbratt
Paper in proceedings
2008

Optical studies of spray development and combustion characterization of oxygenated and Fischer-Tropsch fuels

Raul Lima Ochoterena, Monica Johansson, Sven B Andersson et al
2008 World Congress; Detroit, MI; United States; 14 April 2008 through 17 April 2008 (SAE-2008-01-1393)
Paper in proceedings
2008

Visualization of fuel sprays for stratified cold starts in Gasoline Direct Injection engines

Petter Dahlander, Artur Gutkowski, Ingemar Denbratt
Conference contribution
2008

Performance of a Heavy Duty DME Engine – the Influence of Methanol and Water in the Fuel

Henrik Salsing, Ingemar Denbratt
Paper in proceedings
2008

An Evaluation of Different Combustion Strategies for SI Engines in a Multi-Mode Combustion Engine

Daniel Dahl, Ingemar Denbratt, Lucien Koopmans
Paper in proceedings
2008

A LIF-study of OH in the Negative Valve Overlap of a Spark-assisted HCCI Combustion Engine

Andreas Berntsson, Mats Andersson, Daniel Dahl et al
SAE Technical Papers
Journal article
2007

An Experimental Investigation of Fischer-Tropsch Fuels in a Light-Duty Diesel Engine

Monica Johansson, Ingemar Denbratt
Paper in proceedings
2007

An experimental study of mixture preparation and combustion in an optical engine using a piezo-actuated injector

Mikael Skogsberg, Petter Dahlander, Ingemar Denbratt
Direkteinspritzung im Ottomotor IV, p. 143-159
Paper in proceedings
2007

LIF imaging of OH during the Negative Valve Overlap of a HCCI Combustion Engine

Andreas Berntsson, Mats Andersson, Daniel Dahl et al
The Spark Ignition Engine of the Future Conference, Strasbourg - INSA 28/11 - 29/11 2007 (Code: R-2007-01-22), p. (9)-
Paper in proceedings
2007

HCCI Combustion Using Charge Stratification for Combustion

Andreas Berntsson, Ingemar Denbratt
SAE (2007-01-0210)
Journal article
2007

Combustion of Fischer-Tropsch, RME and Conventional Fuels in a Heavy-Duty Diesel Engine

Monica Johansson, Ingemar Denbratt
SAE Powertrain & Fluid Systems Conference & Exhibition, p. 12-
Paper in proceedings
2007

Optical study of HCCI Combustion using NVO and an SI Stratified Charge

Andreas Berntsson, Ingemar Denbratt
Journal article
2007

Spray shape and atimization quality of an outward-opening piezo gasoline DI injector

Mikael Skogsberg, Petter Dahlander, Ingemar Denbratt
SAE (2007-01-1409)
Paper in proceedings
2007

Performance of a Heavy Duty DME Diesel Engine – an Experimental Study

Henrik Salsing, Ingemar Denbratt
Paper in proceedings
2007

Reduction of soot emissions when combusting water-in-diesel emulsion and microemulsion fuel in a direct injection diesel engine

Anna Lif, Magnus Skoglundh, Savo Gjirja et al
SAE Technical Paper (2007-01-1076)
Journal article
2006

HCCI Combustion Using a Spark Ignited Stratified Charge

Andreas Berntsson, Ingemar Denbratt
Journal article
2006

Performance and Emissions of a DME Diesel Engine - a Simulation Study

Henrik Salsing, Carlo Rinaldini, Valeri Golovitchev et al
Paper in proceedings
2006

HCCI Operation of a Passenger Car DI Diesel Engine with an Adjustable Valve Train

Arjan Helmantel, Ingemar Denbratt
Paper in proceedings
2006

Numerical Investigation of a Loop-Scavenged Two-Stroke Free Piston Engine

Jakob Fredriksson, Ingemar Denbratt, Valeri Golovitchev
JSAE Annual Spring Congress (JSAE 20065455)
Paper in proceedings
2006

Comparison of Conventional Diesel and Fischer-Tropsch Diesel Fuels for HCCI Combustion

Monica Johansson, Ingemar Denbratt
Conference contribution
2006

Low Temperature Combustion in a Heavy Duty Diesel Engine Using High Levels of EGR

Malin Ehleskog, Ingemar Denbratt
Paper in proceedings
2006

Modeling the Effect of Injection Schedule Change on Free Piston Engine Operation

Jakob Fredriksson, Miriam Bergman, Valeri Golovitchev et al
Paper in proceedings
2005

Operation of a DI Diesel Engine with Variable Effective Compression Ratio in HCCI and Conventional Diesel Mode

Arjan Helmantel, Jonas Gustavsson, Ingemar Denbratt
Paper in proceedings
2005

Studies of the effect of injector parameters on mixture formation for multi-hole nozzles in a spray-guided

Mikael Skogsberg, Petter Dahlander, Ronny Lindgren et al
Paper in proceedings
2005

Piston Temperature Measurement by Use of Thermographic Phosphors and Thermocouåles in a Heavy-Duty Diesel Engine Run Under Partly Premixed Conditions

Tobias Husberg, Savo Gjirja, Ingemar Denbratt
SAE, Technical Paper Series, 2005 (2005-01-1646), p. 11-
Paper in proceedings
2005

Heavy-Duty Diesel Combustion With Ultra-Low NOx and SOOT Emissions~A Comparison Between Experimental Data and CFD Simulations

Tobias Husberg, Ingemar Denbratt, Johan Engström et al
SAE World Congress (SAE Paper 2005-01-0380)
Paper in proceedings
2005

Exploration of the Load Range of HCCI Operation of a DI Diesel Engine

Arjan Helmantel, Ingemar Denbratt
Presented at: Engine Combustion Processes – Current Problems and Modern Techniques (VII. Congress), published in Berichte zur Energie- und Verfahrenstechnik”, Schriftenreihe Heft 5.1, Leipertz, A. (editor).. Vol. 5 (1), p. 568-
Magazine article
2005

Combustion phasing and emission control by using multiple injections on a Heavy-Duty Diesel engine.

Tobias Husberg, Ingemar Denbratt, Savo Gjirja et al
Paper in proceedings
2005

Low Soot, Low NOx in a Heavy Duty Diesel Engine Using High Levels of EGR

Malin Ehleskog, Tanja Rente, Ingemar Denbratt
Paper in proceedings
2005

Fuel Equivalence Ratio and EGR Impact on Premixed Combustion Rate and Emission Output, on a Heavy-Duty Diesel Engine.

Tobias Husberg, Ingemar Denbratt, Savo Gjirja et al
7th International Conference on Engines for Automobile, SAE Naples section, Capri (Naples) - Italy (SAE paper 2005-24-046)
Paper in proceedings
2005

Flame propagation visualization in a spark-ignition engine using laser-induced fluorescence of cool-flame species

H. Bladh, C. Brackmann, Petter Dahlander et al
Measurement Science and Technology. Vol. 16 (5), p. 1083-1091
Journal article
2005

Spark Assisted HCCI Combustion Using a Stratified Hydrogen Charge

Andreas Berntsson, Ingemar Denbratt
Paper in proceedings
2005

Combustion Phasing and Emission Control by Using Multiple Injections on Heavy-Duty Diesel Engine.

Tobias Husberg, Savo Gjirja, Ingemar Denbratt
Paper in proceedings
2004

Visualization of Egr Influence on Diesel Combustion With Long Ignition Delay in a Heavy-Duty Engine

Tobias Husberg, Savo Gjirja, Ingemar Denbratt et al
SAE Technical Paper Series, SP-1896, 2004 (2004-01-2947), p. 10-
Paper in proceedings
2004

Influence of Injection Parameters on the Local Crank Angle Resolved Heat Flux on the Piston Wall

Tanja Rente, Savo Gjirja, Ingemar Denbratt
International Journal "Combustion Science and Technology", p. 29-
Journal article
2004

Location of the First Auto-Ignition Sites for Two HCCI Systems in a Direct Injection Engine

Lucien Koopmans, Johan Wallesten, Roy Ogink et al
Journal article
2004

Experimental Investigation of the Effect of Needle Opening Pressure (Nop) on Combustion and Emissions Formation in a Heavy-Duty Di Diesel Engine

Tanja Rente, Savo Gjirja, Ingemar Denbratt
SAE Technical Paper Series, Society of Automotive Engineers. (2004-01-2921), p. 20-
Paper in proceedings
2004

Fuel distribution visualization from an air-assisted injector in a spray chamber

Mikael Skogsberg, Petter Dahlander, Fredrik Persson et al
Paper in proceedings
2004

Experimental Investigation of Multiple Injection Effects on Combustion of a Diesel Engine with a Unit Injector,

Tanja Rente, Savo Gjirja, Ingemar Denbratt
International Journal of Engine Research, p. 29-
Journal article
2004

Modeling Gasoline Spray-Wall Interactions and Comparison to Experimental Data

Ronny Lindgren, Ingemar Denbratt
Paper in proceedings
2004

Simulation of a Two-Stroke Free Piston Engine

Jakob Fredriksson, Ingemar Denbratt
Paper in proceedings
2003

Simulation of a Two-Stroke Free Piston Energy Converter

Jakob Fredriksson, Ingemar Denbratt
Conference contribution
2003

The Influence of Injector Deposits on Mixture Formation in a DISC SI Engine

Ronny Lindgren, Mikael Skogsberg, Håkan Sandquist et al
SAE (2003-01-1771)
Paper in proceedings
2003

Experimental Study on the Influence of Nozzle Orifice Number on Comustion and Emissions Formation of a Heavy Duty DI Diesel Engine

Tanja Rente, Savo Gjirja, Ingemar Denbratt
SAE, 6th International Conference on Engines for Automobile SAE_NA 2003-01-67, Capri, Italy, p. 9-
Paper in proceedings