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James Shaffer
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Proceedings Papers

Numerical Investigations of Shock Wave Reactors Employing Head-On Colliding Shock Waves

Pejman Akbari, Stefan Tüchler, Colin D. Copeland, James Shaffer, Omid Askari
Proc. ASME. IMECE2023, Volume 7: Energy, V007T08A079, October 29–November 2, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2023-111760
https://doi.org/10.1115/IMECE2023-111760
View Paper titled, Numerical Investigations of Shock Wave Reactors Employing Head-On Colliding Shock Waves
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Topics: Heating, Hydrogen production, Pyrolysis, Shock waves
Proceedings Papers

Investigation of High-Pressure Laminar Flame Speed Measurement

James Shaffer, Luis F. Alvarez, Omid Askari
Proc. ASME. IMECE2023, Volume 10: Heat Transfer and Thermal Engineering, V010T11A010, October 29–November 2, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2023-113441
https://doi.org/10.1115/IMECE2023-113441
View Paper titled, Investigation of High-Pressure Laminar Flame Speed Measurement
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Topics: Flames, High pressure (Physics)
Proceedings Papers

Investigation of NH 3 /Air Laminar Burning Speed and Flame Structure at High Pressures

Luis F. Alvarez, James Shaffer, Cosmin Dumitrescu, Omid Askari
Proc. ASME. IMECE2023, Volume 10: Heat Transfer and Thermal Engineering, V010T11A008, October 29–November 2, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2023-112269
https://doi.org/10.1115/IMECE2023-112269
View Paper titled, Investigation of NH 3 /Air Laminar Burning Speed and Flame Structure at High Pressures
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Topics: Buoyancy, Combustion, Flames, High pressure (Physics)
Proceedings Papers

Techniques for High-Speed Measurement of Accelerating Flame

James Shaffer, Omid Askari
Proc. ASME. IMECE2022, Volume 6: Energy, V006T08A008, October 30–November 3, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2022-95252
https://doi.org/10.1115/IMECE2022-95252
View Paper titled, Techniques for High-Speed Measurement of Accelerating Flame
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Topics: Flames, Resolution (Optics), Uncertainty, Velocity measurement, Errors, Filters, Ignition, Noise (Sound), Pressure, Rotating disks
Proceedings Papers

Structure and Measurement of Atmospheric and High-Pressure Ignition Plasma

James Shaffer, Saeid Zare, Omid Askari
Proc. ASME. IMECE2021, Volume 11: Heat Transfer and Thermal Engineering, V011T11A015, November 1–5, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2021-73138
https://doi.org/10.1115/IMECE2021-73138
View Paper titled, Structure and Measurement of Atmospheric and High-Pressure Ignition Plasma
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Topics: Combustion, Electric arcs, High pressure (Physics), Ignition, Luminescence, Plasmas (Ionized gases)
Proceedings Papers

Modeling Discharge Spark Ignition Using Zero Dimension Thermodynamic Model and Experimental Power Measurements at Various Pressures

James Shaffer, Saeid Zare, Omid Askari
Proc. ASME. IMECE2021, Volume 11: Heat Transfer and Thermal Engineering, V011T11A022, November 1–5, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2021-73235
https://doi.org/10.1115/IMECE2021-73235
View Paper titled, Modeling Discharge Spark Ignition Using Zero Dimension Thermodynamic Model and Experimental Power Measurements at Various Pressures
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Topics: Dimensions, Electric arcs, High pressure (Physics), Ignition, Modeling, Plasmas (Ionized gases)
Journal Articles

Electrode Design for Thermal and Nonthermal Plasma Discharge Inside a Constant Volume Combustion Chamber

James Shaffer, Omid Askari, Saeid Zare
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. August 2022, 144(8): 082306.
Paper No: JERT-21-1879
https://doi.org/10.1115/1.4053142
Published Online: December 30, 2021
View Article titled, Electrode Design for Thermal and Nonthermal Plasma Discharge Inside a Constant Volume Combustion Chamber
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Topics: Design, Electrodes, Plasmas (Ionized gases), Combustion, Ceramics, Ignition, Combustion chambers, Flames, Low temperature
Proceedings Papers

A New Electrode Design for Constant Volume Combustion Chamber

James Shaffer, Omid Askari
Proc. ASME. IMECE2020, Volume 11: Heat Transfer and Thermal Engineering, V011T11A003, November 16–19, 2020
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2020-24168
https://doi.org/10.1115/IMECE2020-24168
View Paper titled, A New Electrode Design for Constant Volume Combustion Chamber
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Topics: Combustion, Combustion chambers, Design, Electrodes, Finite element analysis, Ignition