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Proceedings Papers

A New Physics Based Unsteady Transition Model Using the Universal Intermittency Function

Ali Nikparto, Meinhard T. Schobeiri

Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT40A011, June 17–21, 2019

Paper No: GT2019-90585

DOI: https://doi.org/10.1115/GT2019-90585

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Topics: Physics, Wakes, Turbulence, Flow (Dynamics), Blades, Heat transfer, Reynolds-averaged Navier–Stokes equations, Aerodynamics, Boundary layers, Cascades (Fluid dynamics)

Proceedings Papers

Dynamic Behavior of the Ultra-High Efficiency Gas Turbine Engine, UHEGT, With Stator Internal Combustion

Seyed M. Ghoreyshi, Meinhard T. Schobeiri

Proc. ASME. GT2019, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Honors and Awards, V001T01A010, June 17–21, 2019

Paper No: GT2019-90583

DOI: https://doi.org/10.1115/GT2019-90583

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Topics: Combustion, Gas turbines, Stators, Fuels, Flow (Dynamics), Engines, Fluctuations (Physics), Simulation, Turbines, Compressors

Proceedings Papers

Impact of Turbine Blade Stagger Angle Adjustment on the Efficiency and Performance of Gas Turbines During Off-Design and Dynamic Operation

Meinhard T. Schobeiri

Proc. ASME. GT2018, Volume 1: Aircraft Engine; Fans and Blowers; Marine, V001T01A020, June 11–15, 2018

Paper No: GT2018-75968

DOI: https://doi.org/10.1115/GT2018-75968

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Topics: Design, Gas turbines, Turbine blades, Blades, Compressors, Engines, Flow (Dynamics), Stators, Turbines, Aircraft engines

Proceedings Papers

A Numerical Study on Reducing the Stator Blade Surface Temperature in the Ultra-High Efficiency Gas Turbine Engine by Indexing Fuel Injectors and Using Film Cooling

Seyed M. Ghoreyshi, Meinhard T. Schobeiri

Proc. ASME. GT2018, Volume 3: Coal, Biomass, and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration; Organic Rankine Cycle Power Systems, V003T06A007, June 11–15, 2018

Paper No: GT2018-75967

DOI: https://doi.org/10.1115/GT2018-75967

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Topics: Blades, Film cooling, Fuel injectors, Gas turbines, Indexing (Machining), Stators, Temperature, Combustion, Computational fluid dynamics, Ejectors

Proceedings Papers

Numerical Simulation of the Multistage Ultra-High Efficiency Gas Turbine Engine, UHEGT

Seyed M. Ghoreyshi, Meinhard T. Schobeiri

Proc. ASME. GT2017, Volume 3: Coal, Biomass and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration Applications; Organic Rankine Cycle Power Systems, V003T06A034, June 26–30, 2017

Paper No: GT2017-65029

DOI: https://doi.org/10.1115/GT2017-65029

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Topics: Computer simulation, Gas turbines, Turbines, Flow (Dynamics), Combustion, Combustion chambers, Computational fluid dynamics, Emissions, Fuels, High pressure (Physics)

Journal Articles

Experimental Investigation of Film-Cooling Effectiveness of a Highly Loaded Turbine Blade Under Steady and Periodic Unsteady Flow Conditions

Ali Nikparto, Meinhard T. Schobeiri

J. Heat Transfer. July 2017, 139(7): 072201.

Paper No: HT-16-1236

DOI: https://doi.org/10.1115/1.4035651

Published Online: March 15, 2017

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Topics: Blades, Film cooling, Flow (Dynamics), Heat transfer, Pressure, Suction, Turbulence, Wakes, Aerodynamics, Turbine blades

Proceedings Papers

Experimental Investigation of Film Cooling Effectiveness of a Highly Loaded Turbine Blade Under Steady and Periodic Unsteady Flow Conditions

Ali Nikparto, Meinhard T. Schobeiri

Proc. ASME. GT2016, Volume 5C: Heat Transfer, V05CT19A015, June 13–17, 2016

Paper No: GT2016-56701

DOI: https://doi.org/10.1115/GT2016-56701

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Topics: Film cooling, Turbine blades, Unsteady flow, Blades, Wakes, Flow (Dynamics), Pressure, Cascades (Fluid dynamics), Cavities, Coolants

Proceedings Papers

Numerical and Experimental Investigation of Aerodynamics on Flow Around a Highly Loaded Low-Pressure Turbine Blade With Flow Separation Under Steady and Periodic Unsteady Inlet Flow Condition

Ali Nikparto, Meinhard T. Schobeiri

Proc. ASME. GT2016, Volume 5A: Heat Transfer, V05AT13A010, June 13–17, 2016

Paper No: GT2016-56699

DOI: https://doi.org/10.1115/GT2016-56699

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Topics: Aerodynamics, Flow (Dynamics), Flow separation, Pressure, Turbine blades, Boundary layers, Reynolds-averaged Navier–Stokes equations, Wakes, Blades, Separation (Technology)

Journal Articles

The Ultrahigh Efficiency Gas Turbine Engine With Stator Internal Combustion

Meinhard T. Schobeiri, Seyed M. Ghoreyshi

J. Eng. Gas Turbines Power. February 2016, 138(2): 021506.

Paper No: GTP-15-1351

DOI: https://doi.org/10.1115/1.4031273

Published Online: September 1, 2015

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Topics: Blades, Combustion, Design, Engines, Flow (Dynamics), Fuels, Pressure, Rotors, Stators, Temperature

Proceedings Papers

UHEGT: The Ultra-High Efficiency Gas Turbine Engine With Stator Internal Combustion

Meinhard T. Schobeiri, Seyed M. Ghoreyshi

Proc. ASME. GT2015, Volume 3: Coal, Biomass and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration, V003T06A019, June 15–19, 2015

Paper No: GT2015-43447

DOI: https://doi.org/10.1115/GT2015-43447

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Topics: Combustion, Gas turbines, Stators, Turbines, Computational fluid dynamics, Energy generation, Engineering simulation, Simulation, Thermal efficiency, Aircraft

Journal Articles

A Combined Experimental and Numerical Study of the Turbine Blade Tip Film Cooling Effectiveness Under Rotation Condition

Mohsen Rezasoltani, Kun Lu, Meinhard T. Schobeiri, Je-Chin Han

J. Turbomach. May 2015, 137(5): 051009.

Paper No: TURBO-14-1213

DOI: https://doi.org/10.1115/1.4028745

Published Online: May 1, 2015

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Topics: Blades, Cooling, Film cooling, Flow (Dynamics), Pressure, Coolants

Proceedings Papers

A Comparative Numerical Study of Aerodynamics and Heat Transfer on Transitional Flow Around a Highly Loaded Turbine Blade With Flow Separation Using RANS, URANS and LES

Meinhard T. Schobeiri, Ali Nikparto

Proc. ASME. GT2014, Volume 5C: Heat Transfer, V05CT17A001, June 16–20, 2014

Paper No: GT2014-25828

DOI: https://doi.org/10.1115/GT2014-25828

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Topics: Aerodynamics, Flow (Dynamics), Flow separation, Heat transfer, Reynolds-averaged Navier–Stokes equations, Turbine blades, Boundary layers, Numerical analysis, Pressure, Separation (Technology)

Journal Articles

Investigating the Cause of Computational Fluid Dynamics Deficiencies in Accurately Predicting the Efficiency and Performance of High Pressure Turbines: A Combined Experimental and Numerical Study

Meinhard T. Schobeiri, S. Abdelfattah, H. Chibli

J. Fluids Eng. October 2012, 134(10): 101104.

DOI: https://doi.org/10.1115/1.4007679

Published Online: October 5, 2012

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Topics: Computer simulation, Flow (Dynamics), Pressure, Rotors, Simulation, Stators, Turbines, Reynolds-averaged Navier–Stokes equations, Computational fluid dynamics, Blades

Proceedings Papers

On the Physics of the Flow Separation Along a Low Pressure Turbine Blade Under Unsteady Flow Conditions

Meinhard T. Schobeiri, Burak O¨ztu¨rk, David E. Ashpis

Proc. ASME. GT2003, Volume 6: Turbo Expo 2003, Parts A and B, 1063-1079, June 16–19, 2003

Paper No: GT2003-38917

DOI: https://doi.org/10.1115/GT2003-38917

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Topics: Flow separation, Physics, Pressure, Turbine blades, Unsteady flow, Wakes, Flow (Dynamics), Separation (Technology), Blades, Boundary layers

Journal Articles

On the Physics of Flow Separation Along a Low Pressure Turbine Blade Under Unsteady Flow Conditions

Meinhard T. Schobeiri, Burak Öztürk, David E. Ashpis

J. Fluids Eng. May 2005, 127(3): 503–513.

DOI: https://doi.org/10.1115/1.1905646

Published Online: February 24, 2005

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Topics: Blades, Boundary layers, Flow (Dynamics), Pressure, Separation (Technology), Suction, Turbulence, Wakes, Cascades (Fluid dynamics), Turbines

Journal citation

NARROW

A New Physics Based Unsteady Transition Model Using the Universal Intermittency Function

Dynamic Behavior of the Ultra-High Efficiency Gas Turbine Engine, UHEGT, With Stator Internal Combustion

Impact of Turbine Blade Stagger Angle Adjustment on the Efficiency and Performance of Gas Turbines During Off-Design and Dynamic Operation

A Numerical Study on Reducing the Stator Blade Surface Temperature in the Ultra-High Efficiency Gas Turbine Engine by Indexing Fuel Injectors and Using Film Cooling

Numerical Simulation of the Multistage Ultra-High Efficiency Gas Turbine Engine, UHEGT

Experimental Investigation of Film-Cooling Effectiveness of a Highly Loaded Turbine Blade Under Steady and Periodic Unsteady Flow Conditions

Experimental Investigation of Film Cooling Effectiveness of a Highly Loaded Turbine Blade Under Steady and Periodic Unsteady Flow Conditions

Numerical and Experimental Investigation of Aerodynamics on Flow Around a Highly Loaded Low-Pressure Turbine Blade With Flow Separation Under Steady and Periodic Unsteady Inlet Flow Condition

The Ultrahigh Efficiency Gas Turbine Engine With Stator Internal Combustion

UHEGT: The Ultra-High Efficiency Gas Turbine Engine With Stator Internal Combustion

A Combined Experimental and Numerical Study of the Turbine Blade Tip Film Cooling Effectiveness Under Rotation Condition

A Comparative Numerical Study of Aerodynamics and Heat Transfer on Transitional Flow Around a Highly Loaded Turbine Blade With Flow Separation Using RANS, URANS and LES

Investigating the Cause of Computational Fluid Dynamics Deficiencies in Accurately Predicting the Efficiency and Performance of High Pressure Turbines: A Combined Experimental and Numerical Study

On the Physics of the Flow Separation Along a Low Pressure Turbine Blade Under Unsteady Flow Conditions

On the Physics of Flow Separation Along a Low Pressure Turbine Blade Under Unsteady Flow Conditions

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