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Joshua A. Bittle
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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
Paper No: ICEF2022-90634
DOI: https://doi.org/10.1115/ICEF2022-90634
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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
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2021, 143(9): 091018.
Paper No: GTP-21-1095
DOI: https://doi.org/10.1115/1.4050868
Published Online: May 31, 2021
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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
Paper No: ICEF2018-9729
DOI: https://doi.org/10.1115/ICEF2018-9729
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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
Article Type: Research-Article
J. Energy Resour. Technol. November 2017, 139(6): 062205.
Paper No: JERT-17-1092
DOI: https://doi.org/10.1115/1.4036959
Published Online: June 27, 2017
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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
Paper No: ICEF2016-9453
DOI: https://doi.org/10.1115/ICEF2016-9453
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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
Paper No: ICEF2015-1031
DOI: https://doi.org/10.1115/ICEF2015-1031
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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
Paper No: ICEF2013-19069
DOI: https://doi.org/10.1115/ICEF2013-19069
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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
Paper No: ICEF2013-19095
DOI: https://doi.org/10.1115/ICEF2013-19095
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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
Paper No: ICEF2010-35070
DOI: https://doi.org/10.1115/ICEF2010-35070
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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
Article Type: Research Papers
J. Eng. Gas Turbines Power. December 2010, 132(12): 122801.
DOI: https://doi.org/10.1115/1.4001086
Published Online: August 27, 2010
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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
Paper No: ICES2009-76081
DOI: https://doi.org/10.1115/ICES2009-76081
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Topics: Biodiesel, Brakes, Diesel engines, Fuels, Diesel, Petroleum, Combustion, Engines, Heating, Energy efficiency