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Colin D. Copeland
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Proceedings Papers

Wave Reformer Channel Shape Design for Enhanced Hydrogen Pyrolysis

Ghislain Madiot, Stefan Tüchler, Pejman Akbari, Colin D. Copeland
Proc. ASME. GT2024, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T03A023, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126877
https://doi.org/10.1115/GT2024-126877
View Paper titled, Wave Reformer Channel Shape Design for Enhanced Hydrogen Pyrolysis
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Topics: Heating, Hydrogen, Methane, Pyrolysis, Rotors, Shape design, Shock waves, Waves
Proceedings Papers

Design, Analysis, and Testing of an Additively Manufactured Catalytic Combustor for a Micro-Wave Rotor Turbine

Stefan Tüchler, Adamos Adamou, Pejman Akbari, Colin D. Copeland
Proc. ASME. GT2024, Volume 9: Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications; Steam Turbine, V009T18A014, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125961
https://doi.org/10.1115/GT2024-125961
View Paper titled, Design, Analysis, and Testing of an Additively Manufactured Catalytic Combustor for a Micro-Wave Rotor Turbine
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Topics: Additive manufacturing, Combustion, Combustion chambers, Design, Rotors, Testing, Turbines, Waves
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

Numerical Study of Methane Pyrolysis Inside a Single-Channel Shock Wave Reformer

S. V. Mahmoodi-Jezeh, Stefan Tüchler, Ghislain Madiot, Mark Davidson, Pejman Akbari, Colin D. Copeland
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T03A013, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82683
https://doi.org/10.1115/GT2022-82683
View Paper titled, Numerical Study of Methane Pyrolysis Inside a Single-Channel Shock Wave Reformer
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Topics: Methane, Pyrolysis, Rotors, Shock waves, Turbulence, Waves
Proceedings Papers

Quasi-Two-Dimensional Numerical Model for Shock Wave Reformers

Ghislain Madiot, S. V. Mahmoodi-Jezeh, Stefan Tüchler, Mark Davidson, Pejman Akbari, Colin D. Copeland
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T03A005, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80865
https://doi.org/10.1115/GT2022-80865
View Paper titled, Quasi-Two-Dimensional Numerical Model for Shock Wave Reformers
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Topics: Computer simulation, Hydrogen, Methane, Pyrolysis, Shock (Mechanics), Shock waves, Waves, Cycles, Pressure gradient, Boundary-value problems
Proceedings Papers

Shock Wave Heating: A Novel Method for Low-Cost Hydrogen Production

Pejman Akbari, Colin D. Copeland, Stefan Tüchler, Mark Davidson, Seyyed V. Mahmoodi-Jezeh
Proc. ASME. IMECE2021, Volume 8A: Energy, V08AT08A018, November 1–5, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2021-69775
https://doi.org/10.1115/IMECE2021-69775
View Paper titled, Shock Wave Heating: A Novel Method for Low-Cost Hydrogen Production
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Topics: Heating, Hydrogen, Hydrogen production, Methane, Pyrolysis, Rotors, Shock waves, Waves
Journal Articles

Development and Validation of a Model for Centrifugal Compressors in Reversed Flow Regimes

Katherine H. Powers, Ian J. Kennedy, Chris J. Brace, Paul A. Milewski, Colin D. Copeland
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2021, 143(10): 101001.
Paper No: TURBO-20-1156
https://doi.org/10.1115/1.4050668
Published Online: May 12, 2021
View Article titled, Development and Validation of a Model for Centrifugal Compressors in Reversed Flow Regimes
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Topics: Compressors, Flow (Dynamics), Impellers, Surges
Proceedings Papers

Development and Validation of a Model for Centrifugal Compressors in Reversed Flow Regimes

Katherine H. Powers, Ian J. Kennedy, Chris J. Brace, Paul A. Milewski, Colin D. Copeland
Proc. ASME. GT2020, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines, V008T20A026, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16005
https://doi.org/10.1115/GT2020-16005
View Paper titled, Development and Validation of a Model for Centrifugal Compressors in Reversed Flow Regimes
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Topics: Compressors, Flow (Dynamics), Turbochargers, Surges, Impellers, Automotive engines, Damage, Oscillations, Pressure, Spin (Aerodynamics)
Journal Articles

Modeling Axisymmetric Centrifugal Compressor Characteristics From First Principles

Katherine H. Powers, Chris J. Brace, Chris J. Budd, Colin D. Copeland, Paul A. Milewski
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2020, 142(9): 091010.
Paper No: TURBO-19-1249
https://doi.org/10.1115/1.4047616
Published Online: August 25, 2020
View Article titled, Modeling Axisymmetric Centrifugal Compressor Characteristics From First Principles
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Topics: Compressors, Flow (Dynamics), Impellers, Surges, Diffusers
Journal Articles

Validation of a Numerical Quasi-One-Dimensional Model for Wave Rotor Turbines With Curved Channels

Stefan Tüchler, Colin D. Copeland
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2020, 142(2): 021017.
Paper No: GTP-19-1313
https://doi.org/10.1115/1.4044286
Published Online: January 17, 2020
View Article titled, Validation of a Numerical Quasi-One-Dimensional Model for Wave Rotor Turbines With Curved Channels
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Topics: Flow (Dynamics), Pressure, Rotors, Waves, Leakage, Turbines, Temperature
Journal Articles

Investigation into a Combined Inverted Brayton and Rankine Cycle

Ian Kennedy, Tomasz Duda, Zheng Liu, Bob Ceen, Andy Jones, Colin D. Copeland
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2019, 141(12): 121009.
Paper No: GTP-19-1565
https://doi.org/10.1115/1.4045349
Published Online: November 11, 2019
View Article titled, Investigation into a Combined Inverted Brayton and Rankine Cycle
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Topics: Flow (Dynamics), Nozzles, Pressure, Rankine cycle, Steam, Temperature, Turbines, Water, Exhaust systems, Boilers
Proceedings Papers

Validation of a Numerical Quasi One-Dimensional Model for Wave Rotor Turbines With Curved Channels

Stefan Tüchler, Colin D. Copeland
Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T26A011, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90868
https://doi.org/10.1115/GT2019-90868
View Paper titled, Validation of a Numerical Quasi One-Dimensional Model for Wave Rotor Turbines With Curved Channels
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Topics: Rotors, Turbines, Waves, Pressure, Cycles, Flow (Dynamics), Leakage, Computation, Gas turbines, Heat transfer
Proceedings Papers

Modelling Axisymmetric Centrifugal Compressor Characteristics From First Principles

Katherine H. Powers, Chris J. Brace, Chris J. Budd, Colin D. Copeland, Paul A. Milewski
Proc. ASME. GT2019, Volume 2A: Turbomachinery, V02AT45A001, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90091
https://doi.org/10.1115/GT2019-90091
View Paper titled, Modelling Axisymmetric Centrifugal Compressor Characteristics From First Principles
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Topics: Compressors, Modeling, Surges, Flow (Dynamics), Impellers, Pressure, Emissions, Engines, Momentum, Oscillations
Proceedings Papers

Investigation of a Combined Inverted Brayton and Rankine Cycle

Ian Kennedy, Tomasz Duda, Zheng Liu, Bob Ceen, Andy Jones, Colin D. Copeland
Proc. ASME. GT2019, Volume 3: Coal, Biomass, Hydrogen, and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration; Organic Rankine Cycle Power Systems, V003T06A003, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90767
https://doi.org/10.1115/GT2019-90767
View Paper titled, Investigation of a Combined Inverted Brayton and Rankine Cycle
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Topics: Rankine cycle, Steam, Exhaust systems, Temperature, Flow (Dynamics), Cycles, Gases, Pressure, Turbines, Additive manufacturing
Journal Articles

Experimental Investigation of an Inverted Brayton Cycle for Exhaust Gas Energy Recovery

Ian Kennedy, Zhihang Chen, Bob Ceen, Simon Jones, Colin D. Copeland
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2019, 141(3): 032301.
Paper No: GTP-18-1476
https://doi.org/10.1115/1.4041109
Published Online: October 4, 2018
View Article titled, Experimental Investigation of an Inverted Brayton Cycle for Exhaust Gas Energy Recovery
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Topics: Brayton cycle, Compressors, Temperature, Turbines, Pressure, Exhaust systems, Turbomachinery, Heat transfer, Heat exchangers, Pressure drop
Proceedings Papers

Experimental Investigation of an Inverted Brayton Cycle for Exhaust Gas Energy Recovery

Ian Kennedy, Zhihang Chen, Bob Ceen, Simon Jones, Colin D. Copeland
Proc. ASME. GT2018, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T26A003, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75386
https://doi.org/10.1115/GT2018-75386
View Paper titled, Experimental Investigation of an Inverted Brayton Cycle for Exhaust Gas Energy Recovery
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Topics: Brayton cycle, Energy recovery, Exhaust systems, Temperature, Gases, Pressure drop, Turbines, Additive manufacturing, Combustion, Compressors
Proceedings Papers

Design of an Air-Cooled Radial Turbine: Part 1 — Computational Modelling

Yang Zhang, Tomasz Duda, James A. Scobie, Carl M. Sangan, Colin D. Copeland, Alex Redwood
Proc. ASME. GT2018, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T26A013, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76378
https://doi.org/10.1115/GT2018-76378
View Paper titled, Design of an Air-Cooled Radial Turbine: Part 1 — Computational Modelling
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Topics: Design, Modeling, Turbine components, Turbines, Coolants, Rotors, Temperature, Blades, Computer simulation, Cooling
Proceedings Papers

Design of an Air-Cooled Radial Turbine: Part 2 — Experimental Measurements of Heat Transfer

Yang Zhang, Tomasz Duda, James A. Scobie, Carl M. Sangan, Colin D. Copeland, Alex Redwood
Proc. ASME. GT2018, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T26A014, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76384
https://doi.org/10.1115/GT2018-76384
View Paper titled, Design of an Air-Cooled Radial Turbine: Part 2 — Experimental Measurements of Heat Transfer
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Topics: Additive manufacturing, Blades, Compressors, Coolants, Cooling, Cycles, Design, Engineering prototypes, Heat transfer, High temperature
Journal Articles

Inverted Brayton Cycle With Exhaust Gas Condensation

Ian Kennedy, Zhihang Chen, Bob Ceen, Simon Jones, Colin D. Copeland
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2018, 140(11): 111702.
Paper No: GTP-18-1080
https://doi.org/10.1115/1.4039811
Published Online: July 31, 2018
View Article titled, Inverted Brayton Cycle With Exhaust Gas Condensation
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Topics: Compressors, Condensation, Cycles, Exhaust systems, Pressure, Temperature, Turbines, Water, Brayton cycle, Heat exchangers
Proceedings Papers

Inverted Brayton Cycle With Exhaust Gas Condensation

Ian Kennedy, Zhihang Chen, Bob Ceen, Simon Jones, Colin D. Copeland
Proc. ASME. GT2017, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T26A026, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64695
https://doi.org/10.1115/GT2017-64695
View Paper titled, Inverted Brayton Cycle With Exhaust Gas Condensation
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Topics: Brayton cycle, Condensation, Exhaust systems, Temperature, Water, Turbines, Compressors, Gases, Coolants, Pressure drop