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Journal Articles

Improved Prediction of Losses With Large Eddy Simulation in a Low-Pressure Turbine

Kenji Miki, Ali Ameri

J. Turbomach. July 2022, 144(7): 071002.

Paper No: TURBO-21-1207

DOI: https://doi.org/10.1115/1.4053234

Published Online: February 24, 2022

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Topics: Pressure, Turbulence, Wakes, Separation (Technology), Flow (Dynamics), Blades, Turbines, Suction, Emission spectroscopy, Spectroscopy

Proceedings Papers

Improved Prediction of Losses With Large Eddy Simulation in a Low-Pressure Turbine

Kenji Miki, Ali Ameri

Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT39A007, June 7–11, 2021

Paper No: GT2021-59095

DOI: https://doi.org/10.1115/GT2021-59095

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Topics: Emission spectroscopy, Large eddy simulation, Pressure, Separation (Technology), Spectroscopy, Turbines, Turbulence, Wakes, Flow (Dynamics), Blades

Journal Articles

Large-Eddy Simulation of Variable Speed Power Turbine Cascade With Inflow Turbulence

Kenji Miki, Ali Ameri

J. Turbomach. August 2021, 143(8): 081006.

Paper No: TURBO-20-1355

DOI: https://doi.org/10.1115/1.4050437

Published Online: April 26, 2021

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Topics: Cascades (Fluid dynamics), Flow (Dynamics), Inflow, Pressure, Separation (Technology), Suction, Turbines, Turbulence, Blades, Large eddy simulation

Journal Articles

Experimental Investigation of Innovative Cooling Schemes on an Additively Manufactured Engine Scale Turbine Nozzle Guide Vane

Mohammad A. Hossain, Ali Ameri, James W. Gregory, Jeffrey P. Bons

J. Turbomach. May 2021, 143(5): 051004.

Paper No: TURBO-20-1232

DOI: https://doi.org/10.1115/1.4049618

Published Online: April 5, 2021

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Topics: Coolants, Cooling, Nozzle guide vanes, Pressure, Design, Suction, Film cooling, Engines, Turbines

Proceedings Papers

Large-Eddy Simulation of the Variable Speed Power Turbine Cascade With Inflow Turbulence

Kenji Miki, Ali Ameri

Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A002, September 21–25, 2020

Paper No: GT2020-14140

DOI: https://doi.org/10.1115/GT2020-14140

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Topics: Cascades (Fluid dynamics), Inflow, Large eddy simulation, Separation (Technology), Turbines, Turbulence

Proceedings Papers

Experimental Investigation of Innovative Cooling Schemes on an Additively Manufactured Engine Scale Turbine Nozzle Guide Vane

Mohammad A. Hossain, Ali Ameri, James W. Gregory, Jeffrey P. Bons

Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT13A023, September 21–25, 2020

Paper No: GT2020-15707

DOI: https://doi.org/10.1115/GT2020-15707

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Topics: Additive manufacturing, Cooling, Engines, Nozzle guide vanes, Turbines, Design, Film cooling, Suction, Flow (Dynamics), Architecture

Journal Articles

Sweeping Jet Film Cooling at High Blowing Ratio on a Turbine Vane

Mohammad A. Hossain, Ali Ameri, James W. Gregory, Jeffrey P. Bons

J. Turbomach. December 2020, 142(12): 121010.

Paper No: TURBO-20-1048

DOI: https://doi.org/10.1115/1.4047396

Published Online: December 2, 2020

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Topics: Boundary layers, Coolants, Cooling, Film cooling, Flow (Dynamics), Geometry, Suction, Turbines, Turbulence, Heat transfer

Journal Articles

Challenges Associated With Replicating Rotor Blade Deposition in a Non-Rotating Annular Cascade

Christopher P. Bowen, Ali Ameri, Jeffrey P. Bons

J. Turbomach. September 2020, 142(9): 091003.

Paper No: TURBO-20-1053

DOI: https://doi.org/10.1115/1.4047399

Published Online: August 21, 2020

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Topics: Blades, Cascades (Fluid dynamics), Flow (Dynamics), Particulate matter, Rotors, Pressure

Proceedings Papers

Challenges Associated With Replicating Rotor Blade Deposition in a Non-Rotating Annular Cascade

Christopher P. Bowen, Ali Ameri, Jeffrey P. Bons

Proc. ASME. GT2019, Volume 2D: Turbomachinery, V02DT47A020, June 17–21, 2019

Paper No: GT2019-91910

DOI: https://doi.org/10.1115/GT2019-91910

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Topics: Blades, Cascades (Fluid dynamics), Rotors, Particulate matter, Flow (Dynamics), Engines, Particle collisions, Fluids, Gas turbines, Particle size

Proceedings Papers

Sweeping Jet Film Cooling at High Blowing Ratio on a Turbine Vane

Mohammad A. Hossain, Ali Ameri, James W. Gregory, Jeffrey P. Bons

Proc. ASME. GT2019, Volume 5B: Heat Transfer, V05BT19A021, June 17–21, 2019

Paper No: GT2019-91696

DOI: https://doi.org/10.1115/GT2019-91696

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Topics: Film cooling, Turbines, Coolants, Boundary layers, Turbulence, Adiabatic cooling, Cascades (Fluid dynamics), Cooling, Geometry, Large eddy simulation

Journal Articles

Sweeping Jet Film Cooling on a Turbine Vane

Mohammad A. Hossain, Lucas Agricola, Ali Ameri, James W. Gregory, Jeffrey P. Bons

J. Turbomach. March 2019, 141(3): 031007.

Paper No: TURBO-18-1257

DOI: https://doi.org/10.1115/1.4042070

Published Online: January 16, 2019

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Topics: Cascades (Fluid dynamics), Convection, Coolants, Cooling, Film cooling, Flow (Dynamics), Pressure, Suction, Turbines, Turbulence

Proceedings Papers

Implicit-LES Simulation of Variable-Speed Power Turbine Cascade for Low Free-Stream Turbulence Conditions

Ali Ameri

Proc. ASME. GT2018, Volume 2B: Turbomachinery, V02BT41A032, June 11–15, 2018

Paper No: GT2018-77120

DOI: https://doi.org/10.1115/GT2018-77120

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Topics: Cascades (Fluid dynamics), Simulation, Turbines, Turbulence, Flow (Dynamics), Blades, Pressure, Reynolds number, Design, Separation (Technology)

Proceedings Papers

Sweeping Jet Film Cooling on a Turbine Vane

Mohammad A. Hossain, Lucas Agricola, Ali Ameri, James W. Gregory, Jeffrey P. Bons

Proc. ASME. GT2018, Volume 5C: Heat Transfer, V05CT19A035, June 11–15, 2018

Paper No: GT2018-77099

DOI: https://doi.org/10.1115/GT2018-77099

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Topics: Film cooling, Turbines, Pressure, Cascades (Fluid dynamics), Cooling, Convection, Flow (Dynamics), Heat flux, Heat transfer, Probes

Proceedings Papers

Turbine Vane Leading Edge Impingement Cooling With a Sweeping Jet

Lucas Agricola, Mohammad A. Hossain, Ali Ameri, James W. Gregory, Jeffrey P. Bons

Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT16A017, June 11–15, 2018

Paper No: GT2018-77073

DOI: https://doi.org/10.1115/GT2018-77073

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Topics: Impingement cooling, Turbines, Flow (Dynamics), Pressure drop, Turbulence, Cascades (Fluid dynamics), Cooling, Engines, Geometry, Heat transfer

Journal Articles

Experimental and Numerical Investigation of Sweeping Jet Film Cooling

Mohammad A. Hossain, Robin Prenter, Ryan K. Lundgreen, Ali Ameri, James W. Gregory, Jeffrey P. Bons

J. Turbomach. March 2018, 140(3): 031009.

Paper No: TURBO-17-1202

DOI: https://doi.org/10.1115/1.4038690

Published Online: December 28, 2017

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Topics: Convection, Coolants, Cooling, Discharge coefficient, Film cooling, Flow (Dynamics), Turbulence, Temperature, Oscillations, Vortices

Proceedings Papers

Experimental Characterization of Reverse-Oriented Film Cooling

Robin Prenter, Mohammad A. Hossain, Lucas Agricola, Ali Ameri, Jeffrey P. Bons

Proc. ASME. GT2017, Volume 5C: Heat Transfer, V05CT19A025, June 26–30, 2017

Paper No: GT2017-64731

DOI: https://doi.org/10.1115/GT2017-64731

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Topics: Experimental characterization, Film cooling, Heat transfer, Heat transfer coefficients, Turbulence, Coolants, Density, Flow (Dynamics), Flow visualization, Heat flux

Proceedings Papers

Experimental and Numerical Investigation of Sweeping Jet Film Cooling

Mohammad A. Hossain, Robin Prenter, Ryan K. Lundgreen, Ali Ameri, James W. Gregory, Jeffrey P. Bons

Proc. ASME. GT2017, Volume 5C: Heat Transfer, V05CT19A020, June 26–30, 2017

Paper No: GT2017-64479

DOI: https://doi.org/10.1115/GT2017-64479

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Topics: Film cooling, Vortices, Flow (Dynamics), Convection, Coolants, Cooling, Density, Discharge coefficient, Reynolds number, Reynolds-averaged Navier–Stokes equations

Journal Articles

Computational Simulation of Deposition in a Cooled High-Pressure Turbine Stage With Hot Streaks

Robin Prenter, Ali Ameri, Jeffrey P. Bons

J. Turbomach. September 2017, 139(9): 091005.

Paper No: TURBO-17-1010

DOI: https://doi.org/10.1115/1.4036008

Published Online: April 11, 2017

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Topics: Blades, Flow (Dynamics), Particulate matter, Rotors, Simulation, Temperature, Turbines, High pressure (Physics), Pressure

Proceedings Papers

Computational Simulation of Deposition in a Cooled High-Pressure Turbine Stage With Hot Streaks

Robin Prenter, Ali Ameri, Jeffrey P. Bons

Proc. ASME. GT2016, Volume 2D: Turbomachinery, V02DT44A034, June 13–17, 2016

Paper No: GT2016-57815

DOI: https://doi.org/10.1115/GT2016-57815

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Topics: High pressure (Physics), Simulation, Turbines, Particulate matter, Blades, Flow (Dynamics), Cooling, Geometry, Pressure, Reynolds-averaged Navier–Stokes equations

Journal Articles

Deposition on a Cooled Nozzle Guide Vane With Nonuniform Inlet Temperatures

Robin Prenter, Ali Ameri, Jeffrey P. Bons

J. Turbomach. October 2016, 138(10): 101005.

Paper No: TURBO-16-1010

DOI: https://doi.org/10.1115/1.4032924

Published Online: April 26, 2016

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Topics: Flow (Dynamics), Particulate matter, Temperature, Film cooling, Viscosity, Heat transfer, Nozzle guide vanes, Simulation

Journal citation

NARROW

Improved Prediction of Losses With Large Eddy Simulation in a Low-Pressure Turbine

Improved Prediction of Losses With Large Eddy Simulation in a Low-Pressure Turbine

Large-Eddy Simulation of Variable Speed Power Turbine Cascade With Inflow Turbulence

Experimental Investigation of Innovative Cooling Schemes on an Additively Manufactured Engine Scale Turbine Nozzle Guide Vane

Large-Eddy Simulation of the Variable Speed Power Turbine Cascade With Inflow Turbulence

Experimental Investigation of Innovative Cooling Schemes on an Additively Manufactured Engine Scale Turbine Nozzle Guide Vane

Sweeping Jet Film Cooling at High Blowing Ratio on a Turbine Vane

Challenges Associated With Replicating Rotor Blade Deposition in a Non-Rotating Annular Cascade

Challenges Associated With Replicating Rotor Blade Deposition in a Non-Rotating Annular Cascade

Sweeping Jet Film Cooling at High Blowing Ratio on a Turbine Vane

Sweeping Jet Film Cooling on a Turbine Vane

Implicit-LES Simulation of Variable-Speed Power Turbine Cascade for Low Free-Stream Turbulence Conditions

Sweeping Jet Film Cooling on a Turbine Vane

Turbine Vane Leading Edge Impingement Cooling With a Sweeping Jet

Experimental and Numerical Investigation of Sweeping Jet Film Cooling

Experimental Characterization of Reverse-Oriented Film Cooling

Experimental and Numerical Investigation of Sweeping Jet Film Cooling

Computational Simulation of Deposition in a Cooled High-Pressure Turbine Stage With Hot Streaks

Computational Simulation of Deposition in a Cooled High-Pressure Turbine Stage With Hot Streaks

Deposition on a Cooled Nozzle Guide Vane With Nonuniform Inlet Temperatures

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