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Joshua A. Bittle
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Proceedings Papers

Simultaneous High-Fidelity Rate of Injection Measurements in Each Hole of a Multi-Hole Diesel Injector

Chris Perkins, Kevin Thomasma, Ajay K. Agrawal, Joshua A. Bittle
Proc. ASME. ICEF2024, ASME 2024 ICE Forward Conference, V001T03A011, October 20–23, 2024
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2024-140906
https://doi.org/10.1115/ICEF2024-140906
View Paper titled, Simultaneous High-Fidelity Rate of Injection Measurements in Each Hole of a Multi-Hole Diesel Injector
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Topics: Diesel, Ejectors
Proceedings Papers

Computational Analysis of Peripheral Fuel Injection (PeFI) to Enhance Fuel-Oxidizer Mixing in the Near-Field of Diesel Sprays

Mehmet Salih Cellek, Joshua A. Bittle, Ajay K. Agrawal
Proc. ASME. ICEF2024, ASME 2024 ICE Forward Conference, V001T03A012, October 20–23, 2024
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2024-140950
https://doi.org/10.1115/ICEF2024-140950
View Paper titled, Computational Analysis of Peripheral Fuel Injection (PeFI) to Enhance Fuel-Oxidizer Mixing in the Near-Field of Diesel Sprays
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Topics: Diesel, Fuels, Sprays
Proceedings Papers

Sooting Behavior of Commercial and Bio-Derived Butyl-Acetate/N-Heptane Blends in High-Pressure Spray Combustion Experiments

Anna L. Stevenson, Allen J. Parker, Shawn A. Reggeti, Ajay K. Agrawal, Joshua A. Bittle
Proc. ASME. ICEF2022, ASME 2022 ICE Forward Conference, V001T05A004, October 16–19, 2022
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2022-90634
https://doi.org/10.1115/ICEF2022-90634
View Paper titled, Sooting Behavior of Commercial and Bio-Derived Butyl-Acetate/N-Heptane Blends in High-Pressure Spray Combustion Experiments
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Topics: Biofuel, Combustion, Fuels, Heptane, High pressure (Physics), Sprays
Journal Articles

Comparing Global Spray Combustion Characteristics and Local Shot-to-Shot Variations in a Reacting n -Heptane Spray

Shawn A. Reggeti, Allen Parker, C. Taber Wanstall, Ajay K. Agrawal, Joshua A. Bittle
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2021, 143(9): 091018.
Paper No: GTP-21-1095
https://doi.org/10.1115/1.4050868
Published Online: May 31, 2021
View Article titled, Comparing Global Spray Combustion Characteristics and Local Shot-to-Shot Variations in a Reacting n -Heptane Spray
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Topics: Combustion, Flames, Fuels, Soot, Sprays, Turbulence, Vapors, Temperature, Chemiluminescence, Pressure
Proceedings Papers

Demonstrating a Direct-Injection Constant-Volume Combustion Chamber As a Validation Tool for Chemical Kinetic Modeling of Liquid Fuels

Aaron E. Suttle, Brian T. Fisher, Dennis R. Parnell, Jr., Joshua A. Bittle
Proc. ASME. ICEF2018, Volume 1: Large Bore Engines; Fuels; Advanced Combustion, V001T02A009, November 4–7, 2018
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2018-9729
https://doi.org/10.1115/ICEF2018-9729
View Paper titled, Demonstrating a Direct-Injection Constant-Volume Combustion Chamber As a Validation Tool for Chemical Kinetic Modeling of Liquid Fuels
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Topics: Combustion chambers, Fuels, Modeling, Heptane, High pressure (Physics), Ignition delay, Temperature, Chemical kinetics, Combustion systems, Compression
Journal Articles

High-Speed Rainbow Schlieren Deflectometry of n -Heptane Sprays Using a Common Rail Diesel Injector

Eileen M. Mirynowski, Ajay K. Agrawal, Joshua A. Bittle
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research-Article
J. Energy Resour. Technol. November 2017, 139(6): 062205.
Paper No: JERT-17-1092
https://doi.org/10.1115/1.4036959
Published Online: June 27, 2017
View Article titled, High-Speed Rainbow Schlieren Deflectometry of n -Heptane Sprays Using a Common Rail Diesel Injector
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Topics: Ejectors, Fuels, Sprays, Deflection, Heptane
Proceedings Papers

High-Speed Rainbow Schlieren Deflectometry of N-Heptane Sprays Using a Common Rail Diesel Injector

Eileen M. Mirynowski, Ajay K. Agrawal, Joshua A. Bittle
Proc. ASME. ICEF2016, ASME 2016 Internal Combustion Engine Division Fall Technical Conference, V001T02A013, October 9–12, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2016-9453
https://doi.org/10.1115/ICEF2016-9453
View Paper titled, High-Speed Rainbow Schlieren Deflectometry of N-Heptane Sprays Using a Common Rail Diesel Injector
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Topics: Common rail fuel injectors, Diesel, Ejectors, Heptane, Sprays, Fuels, Pressure, Flow (Dynamics), Schlieren methods, Vapors
Proceedings Papers

Combustion Trajectory Visualization Model for Study of Conventional and Advanced Direct Injection Combustion Modes

Joshua A. Bittle, Timothy J. Jacobs
Proc. ASME. ICEF2015, Volume 1: Large Bore Engines; Fuels; Advanced Combustion, V001T03A004, November 8–11, 2015
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2015-1031
https://doi.org/10.1115/ICEF2015-1031
View Paper titled, Combustion Trajectory Visualization Model for Study of Conventional and Advanced Direct Injection Combustion Modes
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Topics: Combustion, Trajectories (Physics), Visualization, Cylinders, Engines, Temperature, Pressure, Sprays, Diesel, Fuels
Proceedings Papers

Validation and Results of a Pseudo-Multi-Zone Combustion Trajectory Prediction Model for Capturing Soot and NOx Formation on a Medium Duty Diesel Engine

Joshua A. Bittle, Zhiming Gao, Timothy J. Jacobs
Proc. ASME. ICEF2013, Volume 1: Large Bore Engines; Advanced Combustion; Emissions Control Systems; Instrumentation, Controls, and Hybrids, V001T03A009, October 13–16, 2013
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2013-19069
https://doi.org/10.1115/ICEF2013-19069
View Paper titled, Validation and Results of a Pseudo-Multi-Zone Combustion Trajectory Prediction Model for Capturing Soot and NOx Formation on a Medium Duty Diesel Engine
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Topics: Combustion, Diesel engines, Nitrogen oxides, Soot, Trajectories (Physics), Engines, Emissions, Low temperature, Calibration, Temperature
Proceedings Papers

Cyclic Variability in Diesel/Gasoline Dual-Fuel Combustion on a Medium-Duty Diesel Engine

Jiafeng Sun, Joshua A. Bittle, Timothy J. Jacobs
Proc. ASME. ICEF2013, Volume 1: Large Bore Engines; Advanced Combustion; Emissions Control Systems; Instrumentation, Controls, and Hybrids, V001T03A011, October 13–16, 2013
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2013-19095
https://doi.org/10.1115/ICEF2013-19095
View Paper titled, Cyclic Variability in Diesel/Gasoline Dual-Fuel Combustion on a Medium-Duty Diesel Engine
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Topics: Combustion, Diesel, Diesel engines, Fuels, Gasoline
Proceedings Papers

Efficiency Considerations of Later-Phased Low Temperature Diesel Combustion

Bryan M. Knight, Joshua A. Bittle, Timothy J. Jacobs
Proc. ASME. ICEF2010, ASME 2010 Internal Combustion Engine Division Fall Technical Conference, 359-368, September 12–15, 2010
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2010-35070
https://doi.org/10.1115/ICEF2010-35070
View Paper titled, Efficiency Considerations of Later-Phased Low Temperature Diesel Combustion
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Topics: Combustion, Diesel, Low temperature, Brakes, Fuels, Exhaust systems, Friction, Heat transfer, Carbon, Diesel engines
Journal Articles

Biodiesel Effects on Influencing Parameters of Brake Fuel Conversion Efficiency in a Medium Duty Diesel Engine

Joshua A. Bittle, Jesse K. Younger, Timothy J. Jacobs
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. December 2010, 132(12): 122801.
https://doi.org/10.1115/1.4001086
Published Online: August 27, 2010
View Article titled, Biodiesel Effects on Influencing Parameters of Brake Fuel Conversion Efficiency in a Medium Duty Diesel Engine
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Topics: Biodiesel, Brakes, Combustion, Diesel, Engines, Fuels, Torque, Stress, Petroleum, Diesel engines
Proceedings Papers

Biodiesel Fuel’s Effects on Influencing Parameters of Brake Fuel Conversion Efficiency in a Medium Duty Diesel Engine

Joshua A. Bittle, Jesse K. Younger, Timothy J. Jacobs
Proc. ASME. ICES2009, ASME 2009 Internal Combustion Engine Division Spring Technical Conference, 101-114, May 3–6, 2009
Publisher: American Society of Mechanical Engineers
Paper No: ICES2009-76081
https://doi.org/10.1115/ICES2009-76081
View Paper titled, Biodiesel Fuel’s Effects on Influencing Parameters of Brake Fuel Conversion Efficiency in a Medium Duty Diesel Engine
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Topics: Biodiesel, Brakes, Diesel engines, Fuels, Diesel, Petroleum, Combustion, Engines, Heating, Energy efficiency