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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
Journal Articles

A Reformulation of Degree of Disequilibrium Analysis for Automatic Selection of Kinetic Constraints in the Rate-Controlled Constrained-Equilibrium Method

Fatemeh Hadi, Shrabanti Roy, Omid Askari, Gian Paolo Beretta
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. September 2021, 143(9): 092304.
Paper No: JERT-21-1101
https://doi.org/10.1115/1.4050815
Published Online: May 3, 2021
View Article titled, A Reformulation of Degree of Disequilibrium Analysis for Automatic Selection of Kinetic Constraints in the Rate-Controlled Constrained-Equilibrium Method
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Topics: Algorithms, Equilibrium (Physics), Methane, Simulation, Temperature, US Department of Defense, Water, Combustion, Chemical kinetics, Chemical potential
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
Proceedings Papers

Chemical Kinetic Study on Reaction Pathway of Anisole Oxidation at Various Operating Condition

Shrabanti Roy, Omid Askari
Proc. ASME. IMECE2020, Volume 8: Energy, V008T08A002, November 16–19, 2020
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2020-24233
https://doi.org/10.1115/IMECE2020-24233
View Paper titled, Chemical Kinetic Study on Reaction Pathway of Anisole Oxidation at Various Operating Condition
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Topics: Chemical kinetics, Generators, Oxidation, Sensitivity analysis, Pressure, Temperature, Biofuel, Combustion, Atmospheric pressure, Combustion chambers
Proceedings Papers

Ethanol Mechanism Reduction Based on DRGEPSA Method at Various Operating Ranges

Shrabanti Roy, Omid Askari
Proc. ASME. IMECE2020, Volume 8: Energy, V008T08A003, November 16–19, 2020
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2020-24455
https://doi.org/10.1115/IMECE2020-24455
View Paper titled, Ethanol Mechanism Reduction Based on DRGEPSA Method at Various Operating Ranges
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Topics: Ethanol, Sensitivity analysis, Errors, Computational fluid dynamics, Chemical kinetics, Combustion, Computation, Engines, Generators, Ignition delay
Proceedings Papers

Instability Study of Repetitive Nanosecond Pulsed Discharge Plasma in a Plasma Assisted Burner

Saeid Zare, Omid Askari
Proc. ASME. IMECE2020, Volume 8: Energy, V008T08A004, November 16–19, 2020
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2020-24304
https://doi.org/10.1115/IMECE2020-24304
View Paper titled, Instability Study of Repetitive Nanosecond Pulsed Discharge Plasma in a Plasma Assisted Burner
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Topics: Diffusion (Physics), Plasmas (Ionized gases)
Journal Articles

Study of the Constraint Selection Through ASVDADD Method for Rate-Controlled Constrained-Equilibrium Modeling on Ethanol Oxidation Without PLOG Reactions

Shrabanti Roy, Omid Askari
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. July 2020, 142(7): 072302.
Paper No: JERT-20-1045
https://doi.org/10.1115/1.4046526
Published Online: March 13, 2020
View Article titled, Study of the Constraint Selection Through ASVDADD Method for Rate-Controlled Constrained-Equilibrium Modeling on Ethanol Oxidation Without PLOG Reactions
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Topics: Combustion, Equilibrium (Physics), Ethanol, Fuels, Ignition delay, Modeling, Oxidation, Pressure, Simulation, Temperature
Journal Articles

Flame Stability in Inverse Coaxial Injector Using Repetitive Nanosecond Pulsed Plasma

Saeid Zare, Hao Wei Lo, Omid Askari
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. August 2020, 142(8): 082101.
Paper No: JERT-19-1834
https://doi.org/10.1115/1.4046227
Published Online: February 24, 2020
View Article titled, Flame Stability in Inverse Coaxial Injector Using Repetitive Nanosecond Pulsed Plasma
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Topics: Flames, Fuels, Methane, Plasmas (Ionized gases), Stability, Ejectors, Low temperature
Proceedings Papers

Flame Stability in Inverse Coaxial Injector Using Repetitive Nanosecond Pulsed Plasma

Saeid Zare, Hao Wei Lo, Shrabanti Roy, Omid Askari
Proc. ASME. IMECE2019, Volume 6: Energy, V006T06A004, November 11–14, 2019
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2019-10991
https://doi.org/10.1115/IMECE2019-10991
View Paper titled, Flame Stability in Inverse Coaxial Injector Using Repetitive Nanosecond Pulsed Plasma
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Topics: Ejectors, Flames, Low temperature, Methane, Plasmas (Ionized gases), Stability
Proceedings Papers

Detailed Chemical Mechanism Generation for Combustion of Ethanol-Air Mixture

Shrabanti Roy, Fatemeh Hadi, Omid Askari
Proc. ASME. IMECE2019, Volume 6: Energy, V006T06A005, November 11–14, 2019
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2019-10996
https://doi.org/10.1115/IMECE2019-10996
View Paper titled, Detailed Chemical Mechanism Generation for Combustion of Ethanol-Air Mixture
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Topics: Combustion, Ethanol, Generators, Sensitivity analysis
Proceedings Papers

Rate Controlled Constrained-Equilibrium Simulation of Ethanol Combustion Using SVD Derived Constraints

Shrabanti Roy, Fatemeh Hadi, Omid Askari
Proc. ASME. IMECE2019, Volume 6: Energy, V006T06A072, November 11–14, 2019
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2019-10994
https://doi.org/10.1115/IMECE2019-10994
View Paper titled, Rate Controlled Constrained-Equilibrium Simulation of Ethanol Combustion Using SVD Derived Constraints
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Topics: Combustion, Equilibrium (Physics), Ethanol, Simulation
Journal Articles

Special Issue for the 12th International Conference on Energy Sustainability (ES2018)

Hohyun Lee, Ph.D., Reza Baghaei Lakeh, Ph.D., Guangdong Zhu, Ph.D., Heejin Cho, Ph.D., Omid Askari, Ph.D.
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Guest Editorial
J. Energy Resour. Technol. June 2019, 141(6): 060301.
Paper No: JERT-19-1080
https://doi.org/10.1115/1.4042976
Published Online: March 29, 2019
View Article titled, Special Issue for the 12th International Conference on Energy Sustainability (ES2018)
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Topics: Energy sustainability
Journal Articles

Understanding the Effect of Capacitive Discharge Ignition on Plasma Formation and Flame Propagation of Air–Propane Mixture

Kwonse Kim, Omid Askari
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research-Article
J. Energy Resour. Technol. August 2019, 141(8): 082201.
Paper No: JERT-18-1909
https://doi.org/10.1115/1.4042480
Published Online: January 30, 2019
View Article titled, Understanding the Effect of Capacitive Discharge Ignition on Plasma Formation and Flame Propagation of Air–Propane Mixture
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Topics: Combustion, Flames, Ignition, Ignition systems, Plasmas (Ionized gases), Pressure, Fuels
Proceedings Papers

Understanding the Effect of Oxygenated Biofuels Addition on Combustion Characteristics of Gasoline

Shrabanti Roy, Saeid Zare, Omid Askari
Proc. ASME. IMECE2018, Volume 6A: Energy, V06AT08A005, November 9–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2018-86490
https://doi.org/10.1115/IMECE2018-86490
View Paper titled, Understanding the Effect of Oxygenated Biofuels Addition on Combustion Characteristics of Gasoline
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Topics: Biofuel, Combustion, Gasoline, Ethanol, Fuels, Ignition delay, Temperature