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Meinhard T. Schobeiri
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90585
https://doi.org/10.1115/GT2019-90585
View Paper titled, A New Physics Based Unsteady Transition Model Using the Universal Intermittency Function
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90583
https://doi.org/10.1115/GT2019-90583
View Paper titled, Dynamic Behavior of the Ultra-High Efficiency Gas Turbine Engine, UHEGT, With Stator Internal Combustion
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75968
https://doi.org/10.1115/GT2018-75968
View Paper titled, Impact of Turbine Blade Stagger Angle Adjustment on the Efficiency and Performance of Gas Turbines During Off-Design and Dynamic Operation
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75967
https://doi.org/10.1115/GT2018-75967
View Paper titled, 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
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-65029
https://doi.org/10.1115/GT2017-65029
View Paper titled, Numerical Simulation of the Multistage Ultra-High Efficiency Gas Turbine Engine, UHEGT
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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
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. July 2017, 139(7): 072201.
Paper No: HT-16-1236
https://doi.org/10.1115/1.4035651
Published Online: March 15, 2017
View Article titled, Experimental Investigation of Film-Cooling Effectiveness of a Highly Loaded Turbine Blade Under Steady and Periodic Unsteady Flow Conditions
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56701
https://doi.org/10.1115/GT2016-56701
View Paper titled, Experimental Investigation of Film Cooling Effectiveness of a Highly Loaded Turbine Blade Under Steady and Periodic Unsteady Flow Conditions
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56699
https://doi.org/10.1115/GT2016-56699
View Paper titled, 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
Open the PDF for 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 in another window
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
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2016, 138(2): 021506.
Paper No: GTP-15-1351
https://doi.org/10.1115/1.4031273
Published Online: September 1, 2015
View Article titled, The Ultrahigh Efficiency Gas Turbine Engine With Stator Internal Combustion
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-43447
https://doi.org/10.1115/GT2015-43447
View Paper titled, UHEGT: The Ultra-High Efficiency Gas Turbine Engine With Stator Internal Combustion
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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
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. May 2015, 137(5): 051009.
Paper No: TURBO-14-1213
https://doi.org/10.1115/1.4028745
Published Online: May 1, 2015
View Article titled, A Combined Experimental and Numerical Study of the Turbine Blade Tip Film Cooling Effectiveness Under Rotation Condition
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-25828
https://doi.org/10.1115/GT2014-25828
View Paper titled, 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
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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
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Flows In Complex Systems
J. Fluids Eng. October 2012, 134(10): 101104.
https://doi.org/10.1115/1.4007679
Published Online: October 5, 2012
View Article titled, 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
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2003-38917
https://doi.org/10.1115/GT2003-38917
View Paper titled, On the Physics of the Flow Separation Along a Low Pressure Turbine Blade Under Unsteady Flow Conditions
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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
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. May 2005, 127(3): 503–513.
https://doi.org/10.1115/1.1905646
Published Online: February 24, 2005
View Article titled, On the Physics of Flow Separation Along a Low Pressure Turbine Blade Under Unsteady Flow Conditions
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Topics: Blades, Boundary layers, Flow (Dynamics), Pressure, Separation (Technology), Suction, Turbulence, Wakes, Cascades (Fluid dynamics), Turbines