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Ahmed F. Ghoniem
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Proceedings Papers

Efficient Solar Thermochemical Hydrogen Production in a Reactor Train System With Thermochemical Oxygen Removal

Aniket S. Patankar, Xiao-Yu Wu, Wonjae Choi, Harry L. Tuller, Ahmed F. Ghoniem
Proc. ASME. IMECE2022, Volume 6: Energy, V006T08A052, October 30–November 3, 2022
Paper No: IMECE2022-94821
https://doi.org/10.1115/IMECE2022-94821
View Paper titled, Efficient Solar Thermochemical Hydrogen Production in a Reactor Train System With Thermochemical Oxygen Removal
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Topics: Hydrogen, Hydrogen production, Oxygen, Solar energy, Trains
Journal Articles

A Reactor Train System for Efficient Solar Thermochemical Fuel Production

Aniket S. Patankar, Xiao-Yu Wu, Wonjae Choi, Harry L. Tuller, Ahmed F. Ghoniem
Journal: Journal of Solar Energy Engineering
Article Type: Research Papers
J. Sol. Energy Eng. December 2022, 144(6): 061014.
Paper No: SOL-22-1076
https://doi.org/10.1115/1.4055298
Published Online: September 26, 2022
View Article titled, A Reactor Train System for Efficient Solar Thermochemical Fuel Production
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Topics: Cycles, Fuels, Heat, Heat recovery, Insulation, Oxidation, Solar energy, Temperature, Trains, Sapphire
Proceedings Papers

A Reactor Train System for Efficient Solar Thermochemical Fuel Production

Aniket S. Patankar, Xiao-Yu Wu, Wonjae Choi, Harry L. Tuller, Ahmed F. Ghoniem
Proc. ASME. IMECE2021, Volume 8B: Energy, V08BT08A024, November 1–5, 2021
Paper No: IMECE2021-69716
https://doi.org/10.1115/IMECE2021-69716
View Paper titled, A Reactor Train System for Efficient Solar Thermochemical Fuel Production
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Topics: Cycles, Fuels, Heat recovery, Solar energy, Trains
Journal Articles

The Impact of Critical Operational Parameters on the Performance of the Aluminum Anode Baking Furnace

Abdul Raouf Tajik, Tariq Shamim, Ahmed F. Ghoniem, Rashid K. Abu Al-Rub
Journal: Journal of Energy Resources Technology
Article Type: Research Papers
J. Energy Resour. Technol. June 2021, 143(6): 062103.
Paper No: JERT-20-1235
https://doi.org/10.1115/1.4048562
Published Online: October 14, 2020
View Article titled, The Impact of Critical Operational Parameters on the Performance of the Aluminum Anode Baking Furnace
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Topics: Anodes, Combustion, Computational fluid dynamics, Emissions, Furnaces, Nitrogen oxides, Oxygen, Response surface methodology, Soot, Temperature
Proceedings Papers

Optimizing Pulse Combustion Parameters in Carbon Anode Baking Furnaces for Aluminum Production

Abdul Raouf Tajik, Tariq Shamim, Ahmed F. Ghoniem, Rashid K. Abu Al-Rub
Proc. ASME. IMECE2019, Volume 8: Heat Transfer and Thermal Engineering, V008T09A017, November 11–14, 2019
Paper No: IMECE2019-10500
https://doi.org/10.1115/IMECE2019-10500
View Paper titled, Optimizing Pulse Combustion Parameters in Carbon Anode Baking Furnaces for Aluminum Production
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Topics: Aluminum, Anodes, Carbon, Combustion, Furnaces, Oxygen
Proceedings Papers

CFD Modelling of NOx and Soot Formation in Aluminum Anode Baking Furnace

Abdul Raouf Tajik, Tariq Shamim, Ahmed F. Ghoniem, Rashid K. Abu Al-Rub
Proc. ASME. IMECE2018, Volume 8A: Heat Transfer and Thermal Engineering, V08AT10A016, November 9–15, 2018
Paper No: IMECE2018-88390
https://doi.org/10.1115/IMECE2018-88390
View Paper titled, CFD Modelling of NOx and Soot Formation in Aluminum Anode Baking Furnace
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Topics: Aluminum, Anodes, Computational fluid dynamics, Furnaces, Modeling, Nitrogen oxides, Soot, Emissions, Carbon, Combustion
Proceedings Papers

Role of Shear Layer Instability in Driving Pressure Oscillations in a Backward Facing Step Combustor

Srinivas K. Kirthy, Santosh Hemchandra, Seunghyuck Hong, Santosh Shanbhogue, Ahmed F. Ghoniem
Proc. ASME. GT2016, Volume 4B: Combustion, Fuels and Emissions, V04BT04A010, June 13–17, 2016
Paper No: GT2016-57322
https://doi.org/10.1115/GT2016-57322
View Paper titled, Role of Shear Layer Instability in Driving Pressure Oscillations in a Backward Facing Step Combustor
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Topics: Combustion chambers, Oscillations, Pressure, Shear (Mechanics), Flow (Dynamics), Combustion, Acoustics, Density, Hydrodynamic stability, Sound pressure
Proceedings Papers

Transition From a Single to a Double Flame Structure in Swirling Reacting Flows: Mechanism, Dynamics, and Effect of Thermal Boundary Conditions

Soufien Taamallah, Santosh J. Shanbhogue, Yinka S. Sanusi, Esmail M. A. Mokhiemer, Ahmed F. Ghoniem
Proc. ASME. GT2015, Volume 5C: Heat Transfer, V05CT17A014, June 15–19, 2015
Paper No: GT2015-43998
https://doi.org/10.1115/GT2015-43998
View Paper titled, Transition From a Single to a Double Flame Structure in Swirling Reacting Flows: Mechanism, Dynamics, and Effect of Thermal Boundary Conditions
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Topics: Boundary-value problems, Dynamics (Mechanics), Flames, Flow (Dynamics), Swirling flow, Shear (Mechanics), Acoustics, Combustion chambers, Ignition, Chemiluminescence
Proceedings Papers

Impact of Equivalence Ratio on the Macrostructure of Premixed Swirling CH 4 /Air and CH 4 /O 2 /CO 2 Flames

Hirotatsu Watanabe, Santosh J. Shanbhogue, Ahmed F. Ghoniem
Proc. ASME. GT2015, Volume 4B: Combustion, Fuels and Emissions, V04BT04A014, June 15–19, 2015
Paper No: GT2015-43224
https://doi.org/10.1115/GT2015-43224
View Paper titled, Impact of Equivalence Ratio on the Macrostructure of Premixed Swirling CH 4 /Air and CH 4 /O 2 /CO 2 Flames
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Topics: Carbon dioxide, Flames, Methane, Swirling flow, Shear (Mechanics), Temperature, Combustion, Combustion chambers, Flow (Dynamics), Reynolds number
Journal Articles

Correspondence Between “Stable” Flame Macrostructure and Thermo-acoustic Instability in Premixed Swirl-Stabilized Turbulent Combustion

Soufien Taamallah, Zachary A. LaBry, Santosh J. Shanbhogue, Mohamed A. M. Habib, Ahmed F. Ghoniem
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2015, 137(7): 071505.
Paper No: GTP-14-1558
https://doi.org/10.1115/1.4029173
Published Online: July 1, 2015
View Article titled, Correspondence Between “Stable” Flame Macrostructure and Thermo-acoustic Instability in Premixed Swirl-Stabilized Turbulent Combustion
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Topics: Combustion chambers, Flames, Flow (Dynamics), Acoustics, Combustion
Journal Articles

Evaluation of the Accuracy of Selected Syngas Chemical Mechanisms

Fahad M. Alzahrani, Yinka S. Sanusi, Konstantina Vogiatzaki, Ahmed F. Ghoniem, Mohamed A. Habib, Esmail M. A. Mokheimer
Journal: Journal of Energy Resources Technology
Article Type: Research-Article
J. Energy Resour. Technol. July 2015, 137(4): 042201.
Paper No: JERT-14-1426
https://doi.org/10.1115/1.4029860
Published Online: July 1, 2015
View Article titled, Evaluation of the Accuracy of Selected Syngas Chemical Mechanisms
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Topics: Combustion, Flames, Fuels, Syngas, Temperature, Emissions, Pressure, Hydrogen, Nitrogen oxides
Proceedings Papers

Mode Transition and Intermittency in an Acoustically Uncoupled Lean Premixed Swirl-Stabilized Combustor

Zachary A. LaBry, Soufien Taamallah, Gaurav Kewlani, Santosh J. Shanbhogue, Ahmed F. Ghoniem
Proc. ASME. GT2014, Volume 4B: Combustion, Fuels and Emissions, V04BT04A061, June 16–20, 2014
Paper No: GT2014-27266
https://doi.org/10.1115/GT2014-27266
View Paper titled, Mode Transition and Intermittency in an Acoustically Uncoupled Lean Premixed Swirl-Stabilized Combustor
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Topics: Acoustics, Combustion chambers, Flames, Flow (Dynamics), Shear (Mechanics), Boundary-value problems, Chemiluminescence, Combustion, Emissions, Gas turbines
Proceedings Papers

Correspondence Between Uncoupled Flame Macrostructures and Thermoacoustic Instability in Premixed Swirl-Stabilized Combustion

Soufien Taamallah, Zachary A. LaBry, Santosh J. Shanbhogue, Ahmed F. Ghoniem
Proc. ASME. GT2014, Volume 4B: Combustion, Fuels and Emissions, V04BT04A063, June 16–20, 2014
Paper No: GT2014-27316
https://doi.org/10.1115/GT2014-27316
View Paper titled, Correspondence Between Uncoupled Flame Macrostructures and Thermoacoustic Instability in Premixed Swirl-Stabilized Combustion
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Topics: Combustion, Flames, Combustion chambers, Acoustics, Geometry, Chemiluminescence, Emission spectroscopy, Flow (Dynamics), Fluctuations (Physics), Fuels
Proceedings Papers

What Fraction of the Electrical Energy Produced in a Hybrid Solar-Fossil Power Plant Should Qualify as ‘Renewable Electricity’?

Paolo Iora, Ahmed F. Ghoniem, Gian Paolo Beretta
Proc. ASME. IMECE2013, Volume 6A: Energy, V06AT07A045, November 15–21, 2013
Paper No: IMECE2013-66706
https://doi.org/10.1115/IMECE2013-66706
View Paper titled, What Fraction of the Electrical Energy Produced in a Hybrid Solar-Fossil Power Plant Should Qualify as ‘Renewable Electricity’?
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Topics: Power stations, Solar energy, Renewable energy sources, Combined cycles, Electric power generation, Energy generation, Energy resources, Fossil fuels, Fuels, Hybrid power systems
Proceedings Papers

What Fraction of the Fuel Consumed by a Heat-and-Power Cogeneration Facility Should Be Allocated to the Heat Produced? Old Problem, Novel Approach

Paolo Iora, Ahmed F. Ghoniem, Gian Paolo Beretta
Proc. ASME. IMECE2013, Volume 6A: Energy, V06AT07A037, November 15–21, 2013
Paper No: IMECE2013-66705
https://doi.org/10.1115/IMECE2013-66705
View Paper titled, What Fraction of the Fuel Consumed by a Heat-and-Power Cogeneration Facility Should Be Allocated to the Heat Produced? Old Problem, Novel Approach
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Topics: Combined heat and power, Fuels, Heat, Cogeneration plants, Manufacturing technology
Proceedings Papers

A Parametric Study of Multi-Stage Chemical Looping Combustion for CO 2 Capture Power Plant

Bilal Hassan, Tariq Shamim, Ahmed F. Ghoniem
Proc. ASME. HT2012, Volume 2: Heat Transfer Enhancement for Practical Applications; Fire and Combustion; Multi-Phase Systems; Heat Transfer in Electronic Equipment; Low Temperature Heat Transfer; Computational Heat Transfer, 273-281, July 8–12, 2012
Paper No: HT2012-58597
https://doi.org/10.1115/HT2012-58597
View Paper titled, A Parametric Study of Multi-Stage Chemical Looping Combustion for CO 2 Capture Power Plant
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Topics: Carbon capture and storage, Combustion, Power stations, Carbon dioxide, Oxygen, Natural gas, Conservation laws (Physics), Equilibrium (Physics), Flow (Dynamics), Fuels
Proceedings Papers

Impact of the Flameholder Heat Conductivity on Combustion Instability Characteristics

Seunghyuck Hong, Santosh J. Shanbhogue, Ahmed F. Ghoniem
Proc. ASME. GT2012, Volume 2: Combustion, Fuels and Emissions, Parts A and B, 1505-1516, June 11–15, 2012
Paper No: GT2012-70057
https://doi.org/10.1115/GT2012-70057
View Paper titled, Impact of the Flameholder Heat Conductivity on Combustion Instability Characteristics
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Topics: Combustion, Thermal conductivity, Flames, Combustion chambers, Ceramics, Dynamic stability, Heat transfer, Atmospheric pressure, Chemiluminescence, Pressure
Proceedings Papers

A System-Level Generic Model of Water Use at Power Plants and its Application to Regional Water Use Estimation

Michael J. Rutberg, Anna Delgado, Howard J. Herzog, Ahmed F. Ghoniem
Proc. ASME. IMECE2011, Volume 1: Advances in Aerospace Technology; Energy Water Nexus; Globalization of Engineering; Posters, 513-523, November 11–17, 2011
Paper No: IMECE2011-63786
https://doi.org/10.1115/IMECE2011-63786
View Paper titled, A System-Level Generic Model of Water Use at Power Plants and its Application to Regional Water Use Estimation
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Topics: Power stations, Water, Combined cycles, Cooling, Electric power generation, Geothermal engineering, Physics, Solar energy, Steam, Uncertainty
Proceedings Papers

Dynamic-Stability Characteristics of Premixed Methane Oxy-Combustion

Andrew P. Shroll, Santosh J. Shanbhogue, Ahmed F. Ghoniem
Proc. ASME. GT2011, Volume 2: Combustion, Fuels and Emissions, Parts A and B, 681-693, June 6–10, 2011
Paper No: GT2011-45753
https://doi.org/10.1115/GT2011-45753
View Paper titled, Dynamic-Stability Characteristics of Premixed Methane Oxy-Combustion
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Topics: Combustion, Dynamic stability, Methane, Flames, Combustion chambers, Temperature, Carbon dioxide, Waves, Fuels, Oxygen
Proceedings Papers

Techno-Economic Evaluation of Pressurized Oxy-Fuel Combustion Systems

Jongsup Hong, Ahmed F. Ghoniem, Randall Field, Marco Gazzino
Proc. ASME. IMECE2010, Volume 5: Energy Systems Analysis, Thermodynamics and Sustainability; NanoEngineering for Energy; Engineering to Address Climate Change, Parts A and B, 577-585, November 12–18, 2010
Paper No: IMECE2010-38002
https://doi.org/10.1115/IMECE2010-38002
View Paper titled, Techno-Economic Evaluation of Pressurized Oxy-Fuel Combustion Systems
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Topics: Combustion systems, Fuels, Combustion, Carbon dioxide, Power stations, Carbon capture and storage, Coal, Power systems (Machinery), Thermodynamic power cycles, Compression