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Proceedings Papers

Virtual Pressure Sensor Based on Ion Current Measurements Using Artificial Neural Networks

Ola Björnsson, Per Tunestål
Proc. ASME. ICEF2024, ASME 2024 ICE Forward Conference, V001T04A002, October 20–23, 2024
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2024-140748
https://doi.org/10.1115/ICEF2024-140748
View Paper titled, Virtual Pressure Sensor Based on Ion Current Measurements Using Artificial Neural Networks
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Topics: Artificial neural networks, Pressure sensors
Journal Articles

Nonlinear Estimation of Variables for Heat Release Calculation Using a Gradient Method

Lianhao Yin, Gabriel Turesson, Rolf Johansson, Per Tunestål
Journal: Journal of Dynamic Systems, Measurement, and Control
Publisher: ASME
Article Type: Research-Article
J. Dyn. Sys., Meas., Control. June 2019, 141(6): 061011.
Paper No: DS-17-1473
https://doi.org/10.1115/1.4042877
Published Online: March 8, 2019
View Article titled, Nonlinear Estimation of Variables for Heat Release Calculation Using a Gradient Method
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Topics: Combustion, Cylinders, Feedback, Heat, Pressure, Compression, Heat transfer, Nonlinear estimation, Engines
Proceedings Papers

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

Peter Larsson, Paul Ravenhill, Lars-Uno Larsson, Per Tunestål
Proc. ASME. ICEF2018, Volume 2: Emissions Control Systems; Instrumentation, Controls, and Hybrids; Numerical Simulation; Engine Design and Mechanical Development, V002T04A005, November 4–7, 2018
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2018-9763
https://doi.org/10.1115/ICEF2018-9763
View Paper titled, SCR-Catalyst Utilisation and Mixing Comparison Using a Novel Biomimetic Flash-Boiling Injector
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Topics: Biomimetics, Boiling, Catalysts, Ejectors, Exhaust systems, Nitrogen oxides, Diesel engines, Flow (Dynamics), Pressure, Sprays
Proceedings Papers

Medium and High Load Performance of Partially Premixed Combustion in a Wave-Piston Multi-Cylinder Engine With Diesel and PRF70 Fuel

Kenan Muric, Per Tunestal, Ingemar Magnusson
Proc. ASME. ICEF2018, Volume 1: Large Bore Engines; Fuels; Advanced Combustion, V001T03A005, November 4–7, 2018
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2018-9568
https://doi.org/10.1115/ICEF2018-9568
View Paper titled, Medium and High Load Performance of Partially Premixed Combustion in a Wave-Piston Multi-Cylinder Engine With Diesel and PRF70 Fuel
Open the PDF for Medium and High Load Performance of Partially Premixed Combustion in a Wave-Piston Multi-Cylinder Engine With Diesel and PRF70 Fuel in another window
Topics: Combustion, Cylinders, Diesel, Engines, Fuels, Pistons, Stress, Waves, Emissions, Exhaust gas recirculation
Journal Articles

Proportional–Integral Controller Design for Combustion-Timing Feedback, From n-Heptane to Iso-Octane in Compression–Ignition Engines

Gabriel Ingesson, Lianhao Yin, Rolf Johansson, Per Tunestål
Journal: Journal of Dynamic Systems, Measurement, and Control
Publisher: ASME
Article Type: Technical Briefs
J. Dyn. Sys., Meas., Control. May 2018, 140(5): 054502.
Paper No: DS-16-1578
https://doi.org/10.1115/1.4037834
Published Online: December 19, 2017
View Article titled, Proportional–Integral Controller Design for Combustion-Timing Feedback, From n-Heptane to Iso-Octane in Compression–Ignition Engines
Open the PDF for Proportional–Integral Controller Design for Combustion-Timing Feedback, From n-Heptane to Iso-Octane in Compression–Ignition Engines in another window
Topics: Combustion, Control equipment, Design, Fuels, Noise (Sound), Robustness, Silicon-on-insulator, Cycles, Ignition delay, Feedback
Proceedings Papers

The Low Load Limit of Gasoline Partially Premixed Combustion Using Negative Valve Overlap

Patrick Borgqvist, Öivind Andersson, Per Tunestål, Bengt Johansson
Proc. ASME. ICEF2012, ASME 2012 Internal Combustion Engine Division Fall Technical Conference, 267-276, September 23–26, 2012
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2012-92069
https://doi.org/10.1115/ICEF2012-92069
View Paper titled, The Low Load Limit of Gasoline Partially Premixed Combustion Using Negative Valve Overlap
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Topics: Combustion, Gasoline, Stress, Valves, Engines, Fuels, Temperature, Emissions, Gases, Pressure
Journal Articles

The Low Load Limit of Gasoline Partially Premixed Combustion Using Negative Valve Overlap

Patrick Borgqvist, Öivind Andersson, Per Tunestål, Bengt Johansson
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2013, 135(6): 062002.
Paper No: GTP-12-1440
https://doi.org/10.1115/1.4023613
Published Online: May 22, 2013
View Article titled, The Low Load Limit of Gasoline Partially Premixed Combustion Using Negative Valve Overlap
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Topics: Combustion, Fuels, Gasoline, Stress, Valves, Engines, Computer-aided design
Proceedings Papers

Improving Efficiency, Extending the Maximum Load Limit and Characterizing the Control-Related Problems Associated With Higher Loads in a 6-Cylinder Heavy-Duty Natural Gas Engine

Mehrzad Kaiadi, Per Tunestal, Bengt Johansson
Proc. ASME. ICEF2010, ASME 2010 Internal Combustion Engine Division Fall Technical Conference, 885-892, September 12–15, 2010
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2010-35012
https://doi.org/10.1115/ICEF2010-35012
View Paper titled, Improving Efficiency, Extending the Maximum Load Limit and Characterizing the Control-Related Problems Associated With Higher Loads in a 6-Cylinder Heavy-Duty Natural Gas Engine
Open the PDF for Improving Efficiency, Extending the Maximum Load Limit and Characterizing the Control-Related Problems Associated With Higher Loads in a 6-Cylinder Heavy-Duty Natural Gas Engine in another window
Topics: Cylinders, Gas engines, Stress, Engines, Compression, Diesel engines, Exhaust gas recirculation, Exhaust systems, Temperature, Catalysts
Proceedings Papers

Extracting Cylinder Individual Combustion Data From a High Precision Torque Sensor

Hans Aulin, Per Tunestal, Thomas Johansson, Bengt Johansson
Proc. ASME. ICEF2010, ASME 2010 Internal Combustion Engine Division Fall Technical Conference, 619-625, September 12–15, 2010
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2010-35101
https://doi.org/10.1115/ICEF2010-35101
View Paper titled, Extracting Cylinder Individual Combustion Data From a High Precision Torque Sensor
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Topics: Combustion, Cylinders, Sensors, Torque, Pressure, Dynamics (Mechanics), Errors, Modeling, Physics, Signal to noise ratio
Journal Articles

Transient Control of Combustion Phasing and Lambda in a Six-Cylinder Port-Injected Natural-Gas Engine

Mehrzad Kaiadi, Magnus Lewander, Patrick Borgqvist, Per Tunestal, Bengt Johansson
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. September 2010, 132(9): 092805.
https://doi.org/10.1115/1.4000605
Published Online: June 18, 2010
View Article titled, Transient Control of Combustion Phasing and Lambda in a Six-Cylinder Port-Injected Natural-Gas Engine
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Topics: Control equipment, Engines, Transients (Dynamics), Cylinders, Exhaust gas recirculation, Feedforward control
Proceedings Papers

Transient Control of Combustion Phasing, Lambda in a 6-Cylinder Port-Injected Natural-Gas Engine

Mehrzad Kaiadi, Magnus Lewander, Patrick Borgqvist, Per Tunestal, Bengt Johansson
Proc. ASME. ICES2009, ASME 2009 Internal Combustion Engine Division Spring Technical Conference, 655-662, May 3–6, 2009
Publisher: American Society of Mechanical Engineers
Paper No: ICES2009-76004
https://doi.org/10.1115/ICES2009-76004
View Paper titled, Transient Control of Combustion Phasing, Lambda in a 6-Cylinder Port-Injected Natural-Gas Engine
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Topics: Combustion, Cylinders, Engines, Natural gas, Transients (Dynamics), Emissions, Brakes, Catalysts, Control equipment, Corporate average fuel economy