1.

Technical Paper
Technical Paper
1. Hydrogen Addition For Improved Lean Burn Capability of Slow and Fast Burning Natural Gas Combustion Chambers.
Tunestal, P. ; Christensen, M. ; Einewall, P. ; Andersson, T. ; Johansson, B.
Pub. info.: 2002 Powertrain and Fluid Systems Conference and Exhibition : SAE technical paper.  2002.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2002
2.

Technical Paper
Technical Paper
2. Fuel Effects on Ion Current in an HCCI Engine.
Vressner, A. ; Hultqvist, A. ; Tunestal, P. ; Johansson, B. ; Hasegawa, R.
Pub. info.: 2005 Brasil Fuels & Lubricants Meeting and Exhibition : SAE technical paper.  2005.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2005
3.

Technical Paper
Technical Paper
3. HCCI Closed-Loop Combustion Control using Fast Thermal Management.
Haraldsson, C. ; Tunestal, P. ; Johansson, B. ; Hyvonen, J.
Pub. info.: 2004 SAE world congress : technical paper.  2004.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2004
4.

Technical Paper
Technical Paper
4. Multiple Point Ion Current Diagnostics in an HCCI Engine.
Vressner, A. ; Strandh, P. ; Hultqvist, A. ; Tunestal, P. ; Johansson, B.
Pub. info.: 2004 SAE world congress : technical paper.  2004.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2004
5.

Technical Paper
Technical Paper
5. Reformed Methanol Gas as Homogeneous Charge Compression Ignition Engine fuel.
Stenlaas, O. ; Christensen, M. ; Egnell, R. ; Tunestal, P. ; Johansson, B. ; Mauss, F.
Pub. info.: 2004 Powertrain and Fluid Systems Conference and Exhibition : SAE technical paper.  2004.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2004
6.

Technical Paper
Technical Paper
6. Pressure Oscillations During Rapid HCCI Combustion.
Vressner, A. ; Lundin, A. ; Christensen, M. ; Tunestal, P. ; Bengtsson, J.
Pub. info.: 2003 Powertrain and Fluid Systems Conference and Exhibition : SAE technical paper.  2003.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2003
7.

Technical Paper
Technical Paper
7. Transient Control of a Multi Cylinder HCCI Engine During a Drive Cycle.
Haraldsson, G. ; Tunestal, P. ; Johansson, B. ; Hyvonen, J.
Pub. info.: 2005 SAE world congress : technical paper.  2005.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2005
8.

Technical Paper
Technical Paper
8. Variable Valve Actuation for Timing Control of a Homogeneous Charge Compression Ignition Engine.
Strandh, P. ; Bengtsson, J. ; Johansson, R. ; Tunestal, P. ; Johansson, B.
Pub. info.: 2005 SAE world congress : technical paper.  2005.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2005
9.

Technical Paper
Technical Paper
9. Lean Burn Natural Gas Operation Stoichiometric Operation with EGR and a Three Way Catalyst.
Einewall, P. ; Tunestal, P. ; Johansson, B.
Pub. info.: 2005 SAE world congress : technical paper.  2005.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2005
10.

Technical Paper
Technical Paper
10. Influence of Inlet Temperature and Hot Residual Gases on the Performance of a Mini High Speed Glow Plug Engine.
Manente, V. ; Tunestal, P. ; Johansson, B.
Pub. info.: 2006 Small Engine Technology Conference and Exhibition : SAE technical paper.  2006.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2006
11.

Technical Paper
Technical Paper
11. Investigation of Performance and Emission Characteristics of a Heavy Duty Natural Gas Engine Operated with Pre-Chamber Spark Plug and Dilution with Excess Air and EGR.
Shah, A. ; Tunestal, P.
Pub. info.: 2012 Commercial Vehicle Engineering Congress and Exhibition : SAE technical paper.  2012.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2012
12.

Technical Paper
Technical Paper
12. Closed-Loop Combustion Control Using Ion-Currnet Signals in a 6-Cylinder Port-Injected Natural-gas Engine.
Kaiadi, M. ; Tunestal, P. ; Johansson, B.
Pub. info.: 2008 Powertrains, Fuels & Lubricants Meeting : SAE technical paper.  2008.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2008
13.

Technical Paper
Technical Paper
13. A Study of a Glow Plug Ignition Engine by Chemiluminescence Images.
Manente, V. ; Tunestal, P. ; Johansson, B.
Pub. info.: 2007 International Fuels and Lubricants Meeting : SAE technical paper.  2007.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2007
14.

Technical Paper
Technical Paper
14. Closed-Loop Combustion Control for a 6-Cylinder Port-Injected Natural-gas Engine.
Kaiadi, M. ; Tunestal, P. ; Johansson, B.
Pub. info.: 2008 SAE International Powertrains, Fuels and Lubricants Congress : technical paper.  2008.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2008
15.

Technical Paper
Technical Paper
15. Investigation of Different Valve Geometries and Valve Timing Strategies and their Effect on Regenerative Efficiency for a Pneumatic Hybrid with Variable Valve Actuation.
Trajkovic, S. ; Tunestal, P. ; Johansson, B.
Pub. info.: 2008 SAE International Powertrains, Fuels and Lubricants Congress : technical paper.  2008.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2008
16.

Technical Paper
Technical Paper
16. How Hythane with 25% Hydrogen can Affect the Combustion in a 6-Cylinder Natural-gas Engine.
Kaiadi, M. ; Tunestal, P.
Pub. info.: 2010 International Powertrains, Fuels & Lubricants Meeting : SAE technical paper.  2010.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2010
17.

Technical Paper
Technical Paper
17. Extending the Operating Region of Multi-Cylinder Partially Premixed Combustion using High Octane Number Fuel.
Lewander, C.M. ; Tunestal, P.
Pub. info.: 2011 SAE world congress : technical paper.  2011.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2011
18.

Technical Paper
Technical Paper
18. Ethanol-Diesel Fumigation in a Multi-Cylinder Engine.
Ekholm, K. ; Karlsson, M. ; Tunestal, P. ; Johansson, R. ; Johansson, B. ; Strandh, P.
Pub. info.: 2008 SAE world congress : technical paper.  2008.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2008
19.

Technical Paper
Technical Paper
19. Influence of the Wall Temperature and Combustion Chamber Geometry on the Performance and Emissions of a Mini HCCI engine fueled with Diethyl Ether.
Manente, V. ; Tunestal, P. ; Johansson, B.
Pub. info.: 2008 SAE world congress : technical paper.  2008.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2008
20.

Technical Paper
Technical Paper
20. HCCI Combustion Phasing in a Multi Cylinder Engine Using Variable Compression Ratio.
Haraldsson, G. ; Tunestal, P. ; Johansson, B. ; Hyvonen, J.
Pub. info.: 2002 Powertrain and Fluid Systems Conference and Exhibition : SAE technical paper.  2002.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2002
21.

Technical Paper
Technical Paper
21. Boosting for High Load HCCI.
Olsson, J.-O. ; Tunestal, P. ; Johansson, B.
Pub. info.: 2004 SAE world congress : technical paper.  2004.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2004
22.

Technical Paper
Technical Paper
22. Cycle-to-Cycle Control of a Dual-Fuel HCCI Engine.
Strandh, P. ; Bengtsson, J. ; Johansson, R. ; Tunestal, P. ; Johansson, B.
Pub. info.: 2004 SAE world congress : technical paper.  2004.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2004
23.

Technical Paper
Technical Paper
23. Combustion Chamber Wall Temperature Measurement and Modeling During Transient HCCI Operation.
Wilhelmsson, C. ; Vressner, A. ; Tunestal, P. ; Johansson, B.
Pub. info.: 2005 Powertrain and Fluid Systems Conference and Exhibition : SAE technical paper.  2005.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2005
24.

Technical Paper
Technical Paper
24. A Physical Two-Zone NOx Model Intended for Embedded Implementation.
Wilhelmsson, C. ; Tunestal, P. ; Johansson, B. ; Widd, A. ; Johansson, R.
Pub. info.: 2009 SAE world congress : technical paper.  2009.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2009
25.

Technical Paper
Technical Paper
25. HCCI Operating Range in a Turbo-charged Multi Cylinder Engine with VVT and Spray-Guided DI.
Johansson, T. ; Johansson, B. ; Tunestal, P. ; Aulin, H.
Pub. info.: 2009 SAE world congress : technical paper.  2009.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2009
26.

Technical Paper
Technical Paper
26. A Novel Model for Computing the Trapping Efficiency and Residual Gas Fraction Validated with an Innovative Technique for Measuring the Trapping Efficiency.
Manente, V. ; Tunestal, P. ; Johansson, B.
Pub. info.: 2008 Small Engine Technology Conference and Exhibition : SAE technical paper.  2008.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2008
27.

Technical Paper
Technical Paper
27. Lean Burn Versus Stoichiometric Operation with EGR and 3-Way Catalyst of an Engine Fueled with Natural Gas and Hydrogen Enriched Natural Gas.
Saanum, I. ; Bysveen, M. ; Tunestal, P. ; Johansson, B.
Pub. info.: 2007 Fuels & Emissions Conference : SAE technical paper.  2007.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2007
28.

Technical Paper
Technical Paper
28. HCCI Engine Modeling and Control using Conservation Principles.
Blom, D. ; Karlsson, M. ; Ekholm, K. ; Tunestal, P. ; Johansson, R.
Pub. info.: 2008 SAE world congress : technical paper.  2008.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2008
29.

Technical Paper
Technical Paper
29. Mini High Speed HCCI Engine Fueled with Ether: Load Range, Emission Characteristics and Optical Analysis.
Manente, V. ; Tunestal, P. ; Johansson, B.
Pub. info.: 14th Asia Pacific Automotive Engineering Conference : SAE technical paper.  2007.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2007
30.

Technical Paper
Technical Paper
30. Validation of a Self Tuning Gross Heat Release Algorithm.
Manente, V. ; Vressner, A. ; Tunestal, P. ; Johansson, B.
Pub. info.: 2008 SAE International Powertrains, Fuels and Lubricants Congress : technical paper.  2008.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2008
31.

Technical Paper
Technical Paper
31. FPGA Controlled Pneumatic Variable Valve Actuation.
Trajkovic, S. ; Milosavljevic, A. ; Tunestal, P. ; Johansson, B.
Pub. info.: 2006 SAE world congress : technical paper.  2006.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2006
32.

Technical Paper
Technical Paper
32. The Effect of Cooled EGR on Emissions and Performance of a Turbocharged HCCI Engine.
Olsson, J.O. ; Tunestal, P. ; Ulfvik, J. ; Johansson, B.
Pub. info.: 2003 SAE world congress : technical paper.  2003.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2003
33.

Technical Paper
Technical Paper
33. Modeling the Intake CO2-Level During Load Transients on a 1-Cylinder Heavy Duty DI Diesel Engine.
Zander, C-G. ; Stenlaas, O. ; Tunestal, P. ; Johansson, B.
Pub. info.: 9th International Conference on Engines and Vehicles : SAE technical paper.  2009.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2009
34.

Technical Paper
Technical Paper
34. The Effect of Intake Temperature in a Turbocharged Multi Cylinder Engine Operating in HCCI Mode.
Johansson, T. ; Johansson, B. ; Tunestal, P. ; Aulin, H.
Pub. info.: 9th International Conference on Engines and Vehicles : SAE technical paper.  2009.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2009
35.

Technical Paper
Technical Paper
35. Evaluation of the Operating Range of Partially Premixed Combustion in a Multi Cylinder Heavy Duty Engine with Extensive EGR.
Lewander, M. ; Johansson, B. ; Tunestal, P. ; Keeler, N. ; Tullis, S.
Pub. info.: 2009 SAE world congress : technical paper.  2009.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2009
36.

Technical Paper
Technical Paper
36. Operation Strategy of a Dual fuel HCCI Engine with VGT.
Wilhelmsson, C. ; Tunestal, P. ; Johansson, B.
Pub. info.: 2007 International Fuels and Lubricants Meeting : SAE technical paper.  2007.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2007
37.

Technical Paper
Technical Paper
37. Applicability of Ionization Current Sensing Technique with Plasma Jet Ignition Using Pre-Chamber Spark Plug in a Heavy Duty Natural Gas Engine.
Shah, A. ; Tunestal, P.
Pub. info.: 2012 SAE International Powertrains, Fuels & Lubricants Meeting : technical paper.  2012.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2012
38.

Technical Paper
Technical Paper
38. Investigation of the Combustion Characteristics with Focus on Partially Premixed Combustion in a Heavy Duty Engine.
Lewander, M. ; Ekholm, K. ; Johansso, B. ; Tunestal, P. ; Milovanovic, N.
Pub. info.: 2008 SAE International Powertrains, Fuels and Lubricants Congress : technical paper.  2008.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2008
39.

Technical Paper
Technical Paper
39. HCCI Combustion of Natural Gas and Hydrogen Enriched Natural Gas Combustion Control by Early Direct Injection of Diesel Oil and RME.
Saanum, I. ; Bysveen, M. ; Tunestal, P. ; Trajkovic, S.
Pub. info.: 2008 SAE International Powertrains, Fuels and Lubricants Congress : technical paper.  2008.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2008
40.

Technical Paper
Technical Paper
40. Gasoline Partially Premixed Combustion in a Light Duty Engine at Low Load and Idle Operating Conditions.
Borgqvist, P. ; Tunestal, P.
Pub. info.: 2012 SAE world congress : technical paper.  2012.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2012
41.

Technical Paper
Technical Paper
41. A Fast Crank Angle Resolved Zero-Dimensional NOx Model Implemented on a Field-Programmable Gate Array.
Muric, K. ; Tunestal, P.
Pub. info.: 2013 SAE world congress : technical paper.  2013.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2013
42.

Technical Paper
Technical Paper
42. Partially Premixed Combustion at High Load using Gasoline and Ethanol, a Comparison with Diesel.
Manente, V. ; Johansson, B. ; Tunestal, P.
Pub. info.: 2009 SAE world congress : technical paper.  2009.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2009
43.

Technical Paper
Technical Paper
43. Effects of Different Type of Gasoline Fuels on Heavy Duty Partially Premixed Combustion.
Manente, V. ; Johansson, B. ; Tunestal, P. ; Cannella, W.
Pub. info.: 2009 SAE Powertrains, Fuels & Lubricants Meeting : technical paper.  2009.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2009
44.

Technical Paper
Technical Paper
44. Vehicle Driving Cycle Simulation of a Pneumatic Hybrid Bus Based on Experimental Engine Measurements.
Trajkovic, S. ; Tunestal, P.
Pub. info.: 2010 SAE world congress : technical paper.  2010.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2010
45.

Technical Paper
Technical Paper
45. Introductory Study of Variable Valve Actuation for Pneumatic Hybridization.
Trajkovic, S. ; Tunestal, P. ; Johansson, B. ; Carlson, U. ; Hoglund, A.
Pub. info.: 2007 SAE world congress : technical paper.  2007.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2007
46.

Technical Paper
Technical Paper
46. Using Hythane as a Fuel in a 6-Cylinder Stoichiometric Natural-Gas Engine.
Kaiadi, M. ; Tunestal, P. ; Johansson, B.
Pub. info.: 2009 SAE International Powertrains, Fuels and Lubricants Meeting : technical paper.  2009.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2009
47.

Technical Paper
Technical Paper
47. Improving Ion Current Feedback for HCCI Engine Control.
Aulin, H. ; Bentioulis, P. ; Tunestal, P. ; Hyvonen, J. ; Johansson, B.
Pub. info.: 2007 Powertrain and Fluid Systems Conference and Exhibition : SAE technical paper.  2007.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2007
48.

Technical Paper
Technical Paper
48. Influence of the Compression Ratio on the Performance and Emissions of a Mini HCCI Engine Fueled with Diethyl Ether.
Manente, V. ; Tunestal, P. ; Johansson, B.
Pub. info.: 2007 Powertrain and Fluid Systems Conference and Exhibition : SAE technical paper.  2007.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2007
49.

Technical Paper
Technical Paper
49. Investigation and Comparison of Residual Gas Enhanced HCCI using Trapping (NVO HCCI) or Rebreathing of Residual Gases.
Borgqvist, P. ; Tunestal, P.
Pub. info.: 2011 JSAE/SAE International Powertrains, Fuels and Lubricants Meeting : technical paper.  2011.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2011
50.

Technical Paper
Technical Paper
50. The Effects of Fuel Composition and Compression Ratio on Thermal Efficiency in an HCCI Engine.
Szybist, J.P. ; Bunting, B.G. ; Manente, V. ; Tunestal, P. ; Johansson, B.
Pub. info.: 2007 Powertrain and Fluid Systems Conference and Exhibition : SAE technical paper.  2007.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2007