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Proceedings Papers

Integrated Aerodynamic and Structural Blade Shape Optimisation of Axial Turbines Operating With Supercritical Carbon Dioxide Blended With Dopants

Abdelrahman S. Abdeldayem, Martin T. White, Andrea Paggini, Marco Ruggiero, Abdulnaser I. Sayma

Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A004, June 13–17, 2022

Paper No: GT2022-81223

DOI: https://doi.org/10.1115/GT2022-81223

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Topics: Blades, Optimization, Shape optimization, Shapes, Supercritical carbon dioxide, Turbines

Journal Articles

Integrated Aerodynamic and Structural Blade Shape Optimization of Axial Turbines Operating With Supercritical Carbon Dioxide Blended With Dopants

Abdelrahman S. Abdeldayem, Martin T. White, Andrea Paggini, Marco Ruggiero, Abdulnaser I. Sayma

J. Eng. Gas Turbines Power. October 2022, 144(10): 101016.

Paper No: GTP-22-1269

DOI: https://doi.org/10.1115/1.4055232

Published Online: September 12, 2022

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Topics: Blades, Design, Optimization, Rotors, Stators, Turbines, Computational fluid dynamics, Flow (Dynamics), Finite element analysis, Stress

Proceedings Papers

Comparison of CFD Predictions of Supercritical Carbon Dioxide Axial Flow Turbines Using a Number of Turbulence Models

AbdElRahman AbdElDayem, Martin T. White, Abdulnaser I. Sayma

Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A010, June 7–11, 2021

Paper No: GT2021-58883

DOI: https://doi.org/10.1115/GT2021-58883

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Topics: Axial flow, Computational fluid dynamics, Supercritical carbon dioxide, Turbines, Turbulence

Proceedings Papers

Design of a Closed-Loop Optical-Access Supersonic Test Facility for Organic Vapours

Martin T. White, Abdulnaser I. Sayma

Proc. ASME. GT2018, Volume 3: Coal, Biomass, and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration; Organic Rankine Cycle Power Systems, V003T28A002, June 11–15, 2018

Paper No: GT2018-75301

DOI: https://doi.org/10.1115/GT2018-75301

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Topics: Design, Test facilities, Fluids, Flow (Dynamics), Organic Rankine cycle, Particulate matter, Turbines, Compressors, Computational fluid dynamics, Diffusers

Journal Articles

Working-Fluid Replacement in Supersonic Organic Rankine Cycle Turbines

Martin T. White, Christos N. Markides, Abdulnaser I. Sayma

J. Eng. Gas Turbines Power. September 2018, 140(9): 091703.

Paper No: GTP-17-1039

DOI: https://doi.org/10.1115/1.4038754

Published Online: June 15, 2018

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Topics: Computational fluid dynamics, Design, Fluids, Organic Rankine cycle, Stators, Turbines, Mach number, Rotors, Simulation, Flow (Dynamics)

Journal Articles

The Application of Similitude Theory for the Performance Prediction of Radial Turbines Within Small-Scale Low-Temperature Organic Rankine Cycles

Martin White, Abdulnaser I. Sayma

J. Eng. Gas Turbines Power. December 2015, 137(12): 122605.

Paper No: GTP-15-1099

DOI: https://doi.org/10.1115/1.4030836

Published Online: July 7, 2015

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Topics: Computational fluid dynamics, Flow (Dynamics), Fluids, Organic Rankine cycle, Turbines, Design, Pressure

Proceedings Papers

Low Pressure Compression System Effects on Fan Assembly Forced Response

Abdulnaser I. Sayma, Mehdi Vahdti, Mehmet Imregun, John Marshal

Proc. ASME. GT2007, Volume 5: Turbo Expo 2007, 655-664, May 14–17, 2007

Paper No: GT2007-27665

DOI: https://doi.org/10.1115/GT2007-27665

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Topics: Compression, Manufacturing, Pressure, Blades, Shock (Mechanics), Aircraft engines, Ducts, Engines, Excitation, Finite element model

Proceedings Papers

Steady-Flow Analysis of Low Pressure Compression System for Turbofan Engines

Abdulnaser I. Sayma

Proc. ASME. GT2007, Volume 6: Turbo Expo 2007, Parts A and B, 229-237, May 14–17, 2007

Paper No: GT2007-27625

DOI: https://doi.org/10.1115/GT2007-27625

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Topics: Compression, Engines, Flow (Dynamics), Pressure, Turbofans, Boundary-value problems, Nozzles, Engineering simulation, Flow simulation, Guide vanes

Proceedings Papers

Effect of Bleed Flows on Flutter and Forced Response of Core Compressors

Luca di Mare, George Simpson, Bernhard Mueck, Abdulnaser I. Sayma

Proc. ASME. GT2006, Volume 5: Marine; Microturbines and Small Turbomachinery; Oil and Gas Applications; Structures and Dynamics, Parts A and B, 1115-1122, May 8–11, 2006

Paper No: GT2006-90683

DOI: https://doi.org/10.1115/GT2006-90683

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Topics: Compressors, Flow (Dynamics), Flutter (Aerodynamics), Aeroelasticity, Blades, Boundary-value problems, Errors, Geometry, Modeling

Proceedings Papers

Fan Forced Response Due to Ground Vortex Ingestion

Luca di Mare, George Simpson, Abdulnaser I. Sayma

Proc. ASME. GT2006, Volume 5: Marine; Microturbines and Small Turbomachinery; Oil and Gas Applications; Structures and Dynamics, Parts A and B, 1123-1132, May 8–11, 2006

Paper No: GT2006-90685

DOI: https://doi.org/10.1115/GT2006-90685

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Topics: Vortices, Design, Aeroelasticity, Computation, Engineering simulation, Engines, Failure, Flow (Dynamics), High cycle fatigue, Numerical analysis

Proceedings Papers

The Effect of Stagger Variability in Gas Turbine Fan Assemblies

Mark J. Wilson, Mehmet Imregun, Abdulnaser I. Sayma

Proc. ASME. GT2006, Volume 5: Marine; Microturbines and Small Turbomachinery; Oil and Gas Applications; Structures and Dynamics, Parts A and B, 1059-1069, May 8–11, 2006

Paper No: GT2006-90434

DOI: https://doi.org/10.1115/GT2006-90434

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Topics: Gas turbines, Blades, Geometry, Manufacturing, Noise (Sound), Stress

Proceedings Papers

A Multi Blade-Row Linearised Analysis Method for Flutter and Forced Response Predictions in Turbomachinery

Gabriel Saiz, Mehmet Imregun, Abdulnaser I. Sayma

Proc. ASME. GT2006, Volume 6: Turbomachinery, Parts A and B, 1851-1863, May 8–11, 2006

Paper No: GT2006-90789

DOI: https://doi.org/10.1115/GT2006-90789

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Topics: Blades, Flutter (Aerodynamics), Turbomachinery, Spin (Aerodynamics), Spinning (Textile), Computation, Traveling waves, Turbines, Unsteady flow

Journal Articles

The Effect of Stagger Variability in Gas Turbine Fan Assemblies

Mark J. Wilson, Mehmet Imregun, Abdulnaser I. Sayma

J. Turbomach. April 2007, 129(2): 404–411.

DOI: https://doi.org/10.1115/1.2437776

Published Online: June 6, 2006

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Topics: Blades, Flow (Dynamics), Manufacturing, Gas turbines, Stress, Pressure

Journal citation

NARROW

Integrated Aerodynamic and Structural Blade Shape Optimisation of Axial Turbines Operating With Supercritical Carbon Dioxide Blended With Dopants

Integrated Aerodynamic and Structural Blade Shape Optimization of Axial Turbines Operating With Supercritical Carbon Dioxide Blended With Dopants

Comparison of CFD Predictions of Supercritical Carbon Dioxide Axial Flow Turbines Using a Number of Turbulence Models

Design of a Closed-Loop Optical-Access Supersonic Test Facility for Organic Vapours

Working-Fluid Replacement in Supersonic Organic Rankine Cycle Turbines

The Application of Similitude Theory for the Performance Prediction of Radial Turbines Within Small-Scale Low-Temperature Organic Rankine Cycles

Low Pressure Compression System Effects on Fan Assembly Forced Response

Steady-Flow Analysis of Low Pressure Compression System for Turbofan Engines

Effect of Bleed Flows on Flutter and Forced Response of Core Compressors

Fan Forced Response Due to Ground Vortex Ingestion

The Effect of Stagger Variability in Gas Turbine Fan Assemblies

A Multi Blade-Row Linearised Analysis Method for Flutter and Forced Response Predictions in Turbomachinery

The Effect of Stagger Variability in Gas Turbine Fan Assemblies

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