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Journal Articles

Design of Stress Constrained SiC/SiC Ceramic Matrix Composite Turbine Blades

Robert J. Boyle, Pritheesh Gnanaselvam, Ankur H. Parikh, Ali A. Ameri, Jeffrey P. Bons, Vinod K. Nagpal

J. Eng. Gas Turbines Power. May 2021, 143(5): 051013.

Paper No: GTP-20-1527

DOI: https://doi.org/10.1115/1.4049776

Published Online: March 11, 2021

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Topics: Blades, Stress, Rotors, Clearances (Engineering), Pressure, Ceramic matrix composites

Proceedings Papers

Design of Stress Constrained SiC/SiC Ceramic Matrix Composite Turbine Blades

Robert J. Boyle, Pritheesh Gnanaselvam, Ankur H. Parikh, Ali A. Ameri, Jeffrey P. Bons, Vinod K. Nagpal

Proc. ASME. GT2020, Volume 3: Ceramics; Coal, Biomass, Hydrogen, and Alternative Fuels, V003T02A003, September 21–25, 2020

Paper No: GT2020-15067

DOI: https://doi.org/10.1115/GT2020-15067

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Topics: Composite materials, Design, Silicon carbide ceramics, Stress, Turbine blades, Blades, Clearances (Engineering), Aircraft engines, Annulus, Ceramic matrix composites

Proceedings Papers

A Comparison of Tip Gap Loss Sensitivity for Shrouded vs. Unshrouded Turbine Rotors

William V. Banks, Ali A. Ameri, Robert J. Boyle, Jeffrey P. Bons

Proc. ASME. GT2019, Volume 2C: Turbomachinery, V02CT41A037, June 17–21, 2019

Paper No: GT2019-91747

DOI: https://doi.org/10.1115/GT2019-91747

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Topics: Rotors, Turbines, Blades, Clearances (Engineering), Aircraft engines, Boundary-value problems, Flow (Dynamics), High pressure (Physics), NASA, Pressure

Proceedings Papers

Shrouded CMC Rotor Blades for High Pressure Turbine Applications

Robert J. Boyle, Lucas M. Agricola, Ankur H. Parikh, Ali A. Ameri, Vinod K. Nagpal

Proc. ASME. GT2018, Volume 2B: Turbomachinery, V02BT41A028, June 11–15, 2018

Paper No: GT2018-76827

DOI: https://doi.org/10.1115/GT2018-76827

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Topics: Blades, Ceramic matrix composites, High pressure (Physics), Rotors, Turbines, Stress, Pressure, Density, Clearances (Engineering), Metals

Proceedings Papers

Effects of Turbulence Intensity and Scale on Turbine Blade Heat Transfer

Robert J. Boyle, Ali A. Ameri

Proc. ASME. GT2015, Volume 5B: Heat Transfer, V05BT13A022, June 15–19, 2015

Paper No: GT2015-43597

DOI: https://doi.org/10.1115/GT2015-43597

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Topics: Heat transfer, Turbine blades, Turbulence, Blades, Reynolds number, Film cooling, Rotors, Boundary layers, Engines, Flow (Dynamics)

Proceedings Papers

Transition Modeling Effects on Turbine Rotor Blade Heat Transfer Predictions

Ali A. Ameri, Andrea Arnone

Proc. ASME. GT1994, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T09A007, June 13–16, 1994

Paper No: 94-GT-022

DOI: https://doi.org/10.1115/94-GT-022

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Topics: Blades, Heat transfer, Modeling, Rotors, Turbines, Algebra, Computation, Reynolds number, Turbine blades, Turbulence

Proceedings Papers

Prediction of Turbine Blade Passage Heat Transfer Using a Zero and a Two-Equation Turbulence Model

Ali A. Ameri, Andrea Arnone

Proc. ASME. GT1994, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T09A015, June 13–16, 1994

Paper No: 94-GT-122

DOI: https://doi.org/10.1115/94-GT-122

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Topics: Heat transfer, Turbine blades, Turbulence, Algebra, Blades, Cascades (Fluid dynamics), Computation, Economics , Reynolds number, Turbines

Proceedings Papers

Comparison of Two-Equation Turbulence Models for Prediction of Heat Transfer on Film-Cooled Turbine Blades

Vijay K. Garg, Ali A. Ameri

Proc. ASME. GT1997, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T09A004, June 2–5, 1997

Paper No: 97-GT-024

DOI: https://doi.org/10.1115/97-GT-024

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Topics: Heat transfer, Turbine blades, Turbulence, Blades, Heat transfer coefficients, Rotors, Computers, Suction, Cooling, Film cooling

Proceedings Papers

A Three-Dimensional Coupled Internal/External Simulation of a Film-Cooled Turbine Vane

James D. Heidmann, David L. Rigby, Ali A. Ameri

Proc. ASME. GT1999, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T01A053, June 7–10, 1999

Paper No: 99-GT-186

DOI: https://doi.org/10.1115/99-GT-186

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Topics: Simulation, Turbines, Film cooling, Flow (Dynamics), Geometry, Heat flux, Heat transfer coefficients, Computation, Coolants, Flux (Metallurgy)

Proceedings Papers

Heat Transfer and Flow on the First Stage Blade Tip of a Power Generation Gas Turbine: Part 1 — Experimental Results

Ronald S. Bunker, Jeremy C. Bailey, Ali A. Ameri

Proc. ASME. GT1999, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T01A049, June 7–10, 1999

Paper No: 99-GT-169

DOI: https://doi.org/10.1115/99-GT-169

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Topics: Blades, Energy generation, Flow (Dynamics), Gas turbines, Heat transfer, Airfoils, Cascades (Fluid dynamics), Pressure, Heat transfer coefficients, Mach number

Proceedings Papers

Two-Equation Turbulence Models for Prediction of Heat Transfer on a Transonic Turbine Blade

Vijay K. Garg, Ali A. Ameri

Proc. ASME. GT2001, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T01A044, June 4–7, 2001

Paper No: 2001-GT-0165

DOI: https://doi.org/10.1115/2001-GT-0165

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Topics: Heat transfer, Turbine blades, Turbulence, Suction, Blades, Computation, Vortices, Shear stress

Proceedings Papers

Validation of a CFD Methodology for Variable Speed Power Turbine Relevant Conditions

Ali A. Ameri, Paul W. Giel, Ashlie B. McVetta

Proc. ASME. GT2013, Volume 6B: Turbomachinery, V06BT37A027, June 3–7, 2013

Paper No: GT2013-95030

DOI: https://doi.org/10.1115/GT2013-95030

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Topics: Computational fluid dynamics, Turbines, Flow (Dynamics), Pressure, Cascades (Fluid dynamics), Heat transfer, Reynolds number, Turbulence

Journal Articles

Deposition With Hot Streaks in an Uncooled Turbine Vane Passage

Brian Casaday, Robin Prenter, Carlos Bonilla, Michael Lawrence, Carey Clum, Ali A. Ameri, Jeffrey P. Bons

J. Turbomach. April 2014, 136(4): 041017.

Paper No: TURBO-13-1127

DOI: https://doi.org/10.1115/1.4025215

Published Online: October 24, 2013

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Topics: Flow (Dynamics), Particulate matter, Temperature, Turbines, Viscosity, Pressure, Coal

Proceedings Papers

Acoustic Analysis of the NREL Phase VI Wind Turbine

Yng-Ru Chen, Ali A. Ameri, J. Iwan D. Alexander

Proc. ASME. IMECE2012, Volume 7: Fluids and Heat Transfer, Parts A, B, C, and D, 3151-3152, November 9–15, 2012

Paper No: IMECE2012-87495

DOI: https://doi.org/10.1115/IMECE2012-87495

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Topics: Acoustics, Wind turbines, Aerodynamic noise, Computer simulation

Proceedings Papers

Use of Transition Modeling to Enable the Computation of Losses for Variable-Speed Power Turbine

Ali A. Ameri

Proc. ASME. GT2012, Volume 8: Turbomachinery, Parts A, B, and C, 2243-2254, June 11–15, 2012

Paper No: GT2012-69591

DOI: https://doi.org/10.1115/GT2012-69591

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Topics: Computation, Modeling, Turbines, Flow (Dynamics), Heat transfer, Blades, Cascades (Fluid dynamics), Engines, Flat plates, NASA

Journal Articles

Numerical Investigation of Ash Deposition on Nozzle Guide Vane Endwalls

Brian P. Casaday, Ali A. Ameri, Jeffrey P. Bons

J. Eng. Gas Turbines Power. March 2013, 135(3): 032001.

Paper No: GTP-12-1287

DOI: https://doi.org/10.1115/1.4007736

Published Online: February 11, 2013

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Topics: Flow (Dynamics), Particulate matter, Viscosity, Nozzle guide vanes, Simulation, Pressure

Proceedings Papers

Analysis of a Concept for a Low Wind Speed Tolerant Axial Wind Turbine

Ali A. Ameri, Majid Rashidi

Proc. ASME. GT2011, Volume 1: Aircraft Engine; Ceramics; Coal, Biomass and Alternative Fuels; Wind Turbine Technology, 849-856, June 6–10, 2011

Paper No: GT2011-46102

DOI: https://doi.org/10.1115/GT2011-46102

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Topics: Wind turbines, Wind velocity, Wind, Turbines, Rotors, Computational fluid dynamics, Design, Flow (Dynamics)

Proceedings Papers

Acoustic Analysis of the NREL Phase VI Wind Turbine

Kirsten Ranft, Ali A. Ameri, J. Iwan D. Alexander, Edmane Envia

Proc. ASME. GT2010, Volume 5: Industrial and Cogeneration; Microturbines and Small Turbomachinery; Oil and Gas Applications; Wind Turbine Technology, 911-922, June 14–18, 2010

Paper No: GT2010-23785

DOI: https://doi.org/10.1115/GT2010-23785

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Topics: Acoustics, Wind turbines, Blades, Flow (Dynamics), Noise (Sound), Aerodynamic noise, Chords (Trusses), Computation, Resolution (Optics), Rotation

Proceedings Papers

A Correlation Approach to Predicting Film Cooled Turbine Vane Heat Transfer

Robert J. Boyle, Ali A. Ameri

Proc. ASME. GT2010, Volume 4: Heat Transfer, Parts A and B, 1841-1856, June 14–18, 2010

Paper No: GT2010-23597

DOI: https://doi.org/10.1115/GT2010-23597

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Topics: Heat transfer, Turbines, Film cooling, Reynolds number, Engines, Pressure, Turbine blades, Turbulence

Journal Articles

Comparison of Steady and Unsteady RANS Heat Transfer Simulations of Hub and Endwall of a Turbine Blade Passage

Lamyaa A. El-Gabry, Ali A. Ameri

J. Turbomach. July 2011, 133(3): 031010.

DOI: https://doi.org/10.1115/1.4002412

Published Online: November 15, 2010

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Topics: Heat transfer, Pressure, Temperature, Wakes, Blades, Heat flux, Simulation

Journal citation

NARROW

Design of Stress Constrained SiC/SiC Ceramic Matrix Composite Turbine Blades

Design of Stress Constrained SiC/SiC Ceramic Matrix Composite Turbine Blades

A Comparison of Tip Gap Loss Sensitivity for Shrouded vs. Unshrouded Turbine Rotors

Shrouded CMC Rotor Blades for High Pressure Turbine Applications

Effects of Turbulence Intensity and Scale on Turbine Blade Heat Transfer

Transition Modeling Effects on Turbine Rotor Blade Heat Transfer Predictions

Prediction of Turbine Blade Passage Heat Transfer Using a Zero and a Two-Equation Turbulence Model

Comparison of Two-Equation Turbulence Models for Prediction of Heat Transfer on Film-Cooled Turbine Blades

A Three-Dimensional Coupled Internal/External Simulation of a Film-Cooled Turbine Vane

Heat Transfer and Flow on the First Stage Blade Tip of a Power Generation Gas Turbine: Part 1 — Experimental Results

Two-Equation Turbulence Models for Prediction of Heat Transfer on a Transonic Turbine Blade

Validation of a CFD Methodology for Variable Speed Power Turbine Relevant Conditions

Deposition With Hot Streaks in an Uncooled Turbine Vane Passage

Acoustic Analysis of the NREL Phase VI Wind Turbine

Use of Transition Modeling to Enable the Computation of Losses for Variable-Speed Power Turbine

Numerical Investigation of Ash Deposition on Nozzle Guide Vane Endwalls

Analysis of a Concept for a Low Wind Speed Tolerant Axial Wind Turbine

Acoustic Analysis of the NREL Phase VI Wind Turbine

A Correlation Approach to Predicting Film Cooled Turbine Vane Heat Transfer

Comparison of Steady and Unsteady RANS Heat Transfer Simulations of Hub and Endwall of a Turbine Blade Passage

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