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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

Paper No: GT2022-82683

DOI: https://doi.org/10.1115/GT2022-82683

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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

Paper No: GT2022-80865

DOI: https://doi.org/10.1115/GT2022-80865

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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

Paper No: IMECE2021-69775

DOI: https://doi.org/10.1115/IMECE2021-69775

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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

J. Turbomach. October 2021, 143(10): 101001.

Paper No: TURBO-20-1156

DOI: https://doi.org/10.1115/1.4050668

Published Online: May 12, 2021

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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

Paper No: GT2020-16005

DOI: https://doi.org/10.1115/GT2020-16005

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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

J. Turbomach. September 2020, 142(9): 091010.

Paper No: TURBO-19-1249

DOI: https://doi.org/10.1115/1.4047616

Published Online: August 25, 2020

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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

J. Eng. Gas Turbines Power. February 2020, 142(2): 021017.

Paper No: GTP-19-1313

DOI: https://doi.org/10.1115/1.4044286

Published Online: January 17, 2020

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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

J. Eng. Gas Turbines Power. December 2019, 141(12): 121009.

Paper No: GTP-19-1565

DOI: https://doi.org/10.1115/1.4045349

Published Online: November 11, 2019

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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

Paper No: GT2019-90868

DOI: https://doi.org/10.1115/GT2019-90868

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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

Paper No: GT2019-90091

DOI: https://doi.org/10.1115/GT2019-90091

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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

Paper No: GT2019-90767

DOI: https://doi.org/10.1115/GT2019-90767

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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

J. Eng. Gas Turbines Power. March 2019, 141(3): 032301.

Paper No: GTP-18-1476

DOI: https://doi.org/10.1115/1.4041109

Published Online: October 4, 2018

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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

Paper No: GT2018-75386

DOI: https://doi.org/10.1115/GT2018-75386

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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

Paper No: GT2018-76378

DOI: https://doi.org/10.1115/GT2018-76378

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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

Paper No: GT2018-76384

DOI: https://doi.org/10.1115/GT2018-76384

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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

J. Eng. Gas Turbines Power. November 2018, 140(11): 111702.

Paper No: GTP-18-1080

DOI: https://doi.org/10.1115/1.4039811

Published Online: July 31, 2018

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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

Paper No: GT2017-64695

DOI: https://doi.org/10.1115/GT2017-64695

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Topics: Brayton cycle, Condensation, Exhaust systems, Temperature, Water, Turbines, Compressors, Gases, Coolants, Pressure drop

Journal Articles

The Benefits of an Inverted Brayton Bottoming Cycle as an Alternative to Turbocompounding

Colin D. Copeland, Zhihang Chen

J. Eng. Gas Turbines Power. July 2016, 138(7): 071701.

Paper No: GTP-15-1374

DOI: https://doi.org/10.1115/1.4031790

Published Online: December 4, 2015

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Topics: Compression, Compressors, Cycles, Heat exchangers, Pressure, Temperature, Turbines, Turbomachinery, Exhaust systems, Thermal efficiency

Journal Articles

Fuel Efficiency Optimization for a Divided Exhaust Period Regulated Two-Stage Downsized Spark Ignition Engine

Bo Hu, Sam Akehurst, Chris Brace, Pengfei Lu, Colin D. Copeland, J. W. G. Turner

J. Eng. Gas Turbines Power. May 2016, 138(5): 051507.

Paper No: GTP-15-1377

DOI: https://doi.org/10.1115/1.4031624

Published Online: November 11, 2015

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Topics: Combustion, Cylinders, Engines, Exhaust systems, Flow (Dynamics), Fuel efficiency, Pressure, Stress, Valves, Turbochargers

Proceedings Papers

Fuel Efficiency Optimization for a Divided Exhaust Period Regulated Two-Stage Downsized SI Engine

Bo Hu, Sam Akehurst, Chris Brace, Pengfei Lu, Colin D. Copeland, J. W. G. Turner

Proc. ASME. GT2015, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T23A012, June 15–19, 2015

Paper No: GT2015-43023

DOI: https://doi.org/10.1115/GT2015-43023

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Topics: Exhaust systems, Fuel efficiency, Optimization, Spark-ignition engine, Valves, Combustion, Engines, Flow (Dynamics), Manifolds, Stress

Journal citation

NARROW

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

Quasi-Two-Dimensional Numerical Model for Shock Wave Reformers

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

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

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

Modeling Axisymmetric Centrifugal Compressor Characteristics From First Principles

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

Investigation into a Combined Inverted Brayton and Rankine Cycle

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

Modelling Axisymmetric Centrifugal Compressor Characteristics From First Principles

Investigation of a Combined Inverted Brayton and Rankine Cycle

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

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

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

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

Inverted Brayton Cycle With Exhaust Gas Condensation

Inverted Brayton Cycle With Exhaust Gas Condensation

The Benefits of an Inverted Brayton Bottoming Cycle as an Alternative to Turbocompounding

Fuel Efficiency Optimization for a Divided Exhaust Period Regulated Two-Stage Downsized Spark Ignition Engine

Fuel Efficiency Optimization for a Divided Exhaust Period Regulated Two-Stage Downsized SI Engine

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