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Journal Articles

Turbine Vane Passage Experiments Documenting Evolution of Secondary Flows With Changes in Combustor Coolant Injection Flowrates

Kedar P. Nawathe, Yong W. Kim, Terrence W. Simon

J. Turbomach. April 2023, 145(4): 041016.

Paper No: TURBO-22-1253

DOI: https://doi.org/10.1115/1.4056440

Published Online: January 9, 2023

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Topics: Combustion chambers, Coolants, Flow (Dynamics), Vortices, Turbines

Proceedings Papers

Turbine Vane Passage Cooling Experiments With a Close-Coupled Combustor-Turbine Interface Geometry Part 1: Describing the Flow

Kedar P. Nawathe, Aaditya R. Nath, Yong W. Kim, Terrence W. Simon

Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A008, June 13–17, 2022

Paper No: GT2022-80225

DOI: https://doi.org/10.1115/GT2022-80225

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Topics: Combustion chambers, Cooling, Flow (Dynamics), Geometry, Turbines, Vortices

Proceedings Papers

Turbine Vane Passage Experiments Documenting Evolution of Secondary Flows With Changes in Combustor Coolant Injection Flowrates

Kedar P. Nawathe, Yong W. Kim, Terrence W. Simon

Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT11A006, June 13–17, 2022

Paper No: GT2022-82697

DOI: https://doi.org/10.1115/GT2022-82697

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Topics: Combustion chambers, Coolants, Flow (Dynamics), Turbines, Vortices

Proceedings Papers

Turbine Vane Passage Cooling Experiments With a Close-Coupled Combustor-Turbine Interface Geometry Part 2: Describing the Coolant Coverage

Kedar P. Nawathe, Aaditya R. Nath, Yong W. Kim, Terrence W. Simon

Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A023, June 13–17, 2022

Paper No: GT2022-82203

DOI: https://doi.org/10.1115/GT2022-82203

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Topics: Combustion chambers, Coolants, Cooling, Flow (Dynamics), Geometry, Turbines, Vortices

Proceedings Papers

A Study of Film Cooling Injection Geometries: Measured Flow and Thermal Fields With Lateral, Compound and In-Line Injection

Rohit A. Oke, Terrence W. Simon

Proc. ASME. IMECE98, Heat Transfer: Volume 3 — Application of Heat Transfer in Equipment, Systems, and Education, 425-432, November 15–20, 1998

Paper No: IMECE1998-0675

DOI: https://doi.org/10.1115/IMECE1998-0675

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Topics: Film cooling, Flow (Dynamics), Turbulence, Anisotropy, Diffusion (Physics), Vortices, Coolants, Eddies (Fluid dynamics), Fluids, Momentum

Proceedings Papers

Measurements of Aerodynamic Penalties Associated With Film Cooling

Steven W. Burd, Rohit A. Oke, Terrence W. Simon

Proc. ASME. IMECE98, Heat Transfer: Volume 3 — Application of Heat Transfer in Equipment, Systems, and Education, 433-440, November 15–20, 1998

Paper No: IMECE1998-0676

DOI: https://doi.org/10.1115/IMECE1998-0676

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Topics: Film cooling, Coolants, Momentum, Boundary layers, Flow (Dynamics), Skin friction (Fluid dynamics), Turbulence, Aerodynamics, Gas turbines, Geometry

Journal Articles

Aero-Thermal Aspects of Film Cooled Nozzle Guide Vane Endwall—Part 2: Thermal Measurements

Mahmood H. Alqefl, Kedar P. Nawathe, Pingting Chen, Rui Zhu, Yong W. Kim, Terrence W. Simon

J. Turbomach. December 2021, 143(12): 121010.

Paper No: TURBO-21-1012

DOI: https://doi.org/10.1115/1.4051556

Published Online: July 14, 2021

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Topics: Combustion chambers, Coolants, Cooling, Film cooling, Flow (Dynamics), Vortices, Nozzle guide vanes, Pressure

Journal Articles

Aero-Thermal Aspects of Film Cooled Nozzle Guide Vane Endwall—Part 1: Aerodynamics

Mahmood H. Alqefl, Kedar P. Nawathe, Pingting Chen, Rui Zhu, Yong W. Kim, Terrence W. Simon

J. Turbomach. December 2021, 143(12): 121009.

Paper No: TURBO-20-1347

DOI: https://doi.org/10.1115/1.4050329

Published Online: July 14, 2021

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Topics: Aerodynamics, Combustion chambers, Coolants, Film cooling, Flow (Dynamics), Pressure, Vortices, Nozzle guide vanes, Cascades (Fluid dynamics), Cooling

Journal Articles

Nozzle Passage Endwall Effectiveness Values With Various Combustor Coolant Flowrates—Part 1: Flowfield Velocity and Coolant Concentration Measurements

Kedar P. Nawathe, Rui Zhu, Enci Lin, Yong W. Kim, Terrence W. Simon

J. Turbomach. April 2021, 143(4): 041009.

Paper No: TURBO-20-1327

DOI: https://doi.org/10.1115/1.4050070

Published Online: March 24, 2021

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Topics: Coolants, Flow (Dynamics), Combustion chambers, Vortices, Vorticity

Journal Articles

Nozzle Passage Endwall Effectiveness Values With Various Combustor Coolant Flowrates—Part 2: Endwall and Vicinity Surface Effectiveness Measurements

Kedar P. Nawathe, Rui Zhu, Enci Lin, Yong W. Kim, Terrence W. Simon

J. Turbomach. April 2021, 143(4): 041010.

Paper No: TURBO-20-1345

DOI: https://doi.org/10.1115/1.4050071

Published Online: March 24, 2021

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Topics: Coolants, Cooling, Flow (Dynamics), Suction, Pressure, Combustion chambers

Journal Articles

Effects of Endwall Film Coolant Flowrate on Secondary Flows and Coolant Mixing in a First Stage Nozzle Guide Vane

Mahmood H. Alqefl, Kedar P. Nawathe, Pingting Chen, Rui Zhu, Yong W. Kim, Terrence W. Simon

J. Turbomach. March 2021, 143(3): 031003.

Paper No: TURBO-20-1326

DOI: https://doi.org/10.1115/1.4049852

Published Online: February 12, 2021

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Topics: Combustion chambers, Coolants, Film cooling, Flow (Dynamics), Vortices, Pressure, Cooling, Nozzle guide vanes, Turbines

Proceedings Papers

Aero-Thermal Aspects of Film Cooled Nozzle Guide Vane Endwalls: Part 2 — Thermal Measurements

Mahmood H. Alqefl, Kedar P. Nawathe, Pingting Chen, Rui Zhu, Yong W. Kim, Terrence W. Simon

Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A041, September 21–25, 2020

Paper No: GT2020-15076

DOI: https://doi.org/10.1115/GT2020-15076

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Topics: Aerodynamics, Film cooling, Flow (Dynamics), Nozzle guide vanes, Turbines, Vortices, Cooling, Combustion chambers, Coolants, Engine design

Proceedings Papers

Nozzle Passage Endwall Effectiveness Values With Various Combustor Coolant Flow Rates: Part 2 — Endwall and Vicinity Surface Effectiveness Measurements

Kedar P. Nawathe, Rui Zhu, Enci Lin, Yong W. Kim, Terrence W. Simon

Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A055, September 21–25, 2020

Paper No: GT2020-15581

DOI: https://doi.org/10.1115/GT2020-15581

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Topics: Combustion chambers, Coolants, Cooling, Flow (Dynamics), Nozzles

Proceedings Papers

Effects of Endwall Film Coolant Flow Rate on Secondary Flows and Coolant Mixing in a First Stage Nozzle Guide Vane

Mahmood H. Alqefl, Kedar P. Nawathe, Pingting Chen, Rui Zhu, Yong W. Kim, Terrence W. Simon

Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A060, September 21–25, 2020

Paper No: GT2020-15746

DOI: https://doi.org/10.1115/GT2020-15746

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Topics: Aerodynamics, Coolants, Film cooling, Flow (Dynamics), Nozzle guide vanes, Turbines, Vortices

Proceedings Papers

Nozzle Passage Endwall Effectiveness Values With Various Combustor Coolant Flow Rates: Part 1 — Flowfield Velocity and Coolant Concentration Measurements

Kedar P. Nawathe, Rui Zhu, Enci Lin, Yong W. Kim, Terrence W. Simon

Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A056, September 21–25, 2020

Paper No: GT2020-15583

DOI: https://doi.org/10.1115/GT2020-15583

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Topics: Combustion chambers, Coolants, Cooling, Flow (Dynamics), Nozzles

Proceedings Papers

Aero-Thermal Aspects of Film Cooled Nozzle Guide Vane Endwalls: Part 1 — Aerodynamics

Mahmood H. Alqefl, Kedar P. Nawathe, Pingting Chen, Rui Zhu, Yong W. Kim, Terrence W. Simon

Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A063, September 21–25, 2020

Paper No: GT2020-15926

DOI: https://doi.org/10.1115/GT2020-15926

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Topics: Aerodynamics, Film cooling, Flow (Dynamics), Nozzle guide vanes, Turbines, Vortices

Journal Articles

Comparisons of Endwall Overall Effectiveness From Two Film Hole Distribution Patterns at Low and High Exit Mach Numbers

Xing Yang, Zhansheng Liu, Qiang Zhao, Zhao Liu, Zhenping Feng, Terrence W. Simon

J. Turbomach. October 2020, 142(10): 101007.

Paper No: TURBO-20-1012

DOI: https://doi.org/10.1115/1.4047809

Published Online: September 14, 2020

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Topics: Coolants, Cooling, Flow (Dynamics), Mach number, Turbines, Film cooling, Cascades (Fluid dynamics), Heat transfer

Journal Articles

In Memoriam: Professor Ephraim Maurice Sparrow

Mohamed M. Awad, Adrian Bejan, Vijay K. Dhir, Richard J. Goldstein, Abdolhossein Haji-Sheikh, John R. Howell, Yogesh Jaluria, John R. Lloyd, Suhas V. Patankar, Terrence W. Simon, Kumar K. Tamma, Raymond Viskanta

J. Heat Transfer. April 2020, 142(4): 040101.

Paper No: HT-20-1067

DOI: https://doi.org/10.1115/1.4046310

Published Online: February 27, 2020

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Topics: Engineering teachers, Heat transfer

Proceedings Papers

Numerical Predictions of Flow Structures and Film Cooling Effectiveness Values of a Turbine Vane: Effects of Secondary Holes

Rui Zhu, Terrence W. Simon, Gongnan Xie

Proc. ASME. HT2019, ASME 2019 Heat Transfer Summer Conference, V001T05A001, July 14–17, 2019

Paper No: HT2019-3401

DOI: https://doi.org/10.1115/HT2019-3401

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Topics: Film cooling, Flow (Dynamics), Turbines, Vortices

Proceedings Papers

Controlling Leakage Flows Over a Rotor Blade Tip Using Air-Curtain Injection: Part I — Aero-Thermal Performance of Rotor Tips

Xing Yang, Qiang Zhao, Zhao Liu, Zhenping Feng, Terrence W. Simon

Proc. ASME. GT2019, Volume 5B: Heat Transfer, V05BT18A002, June 17–21, 2019

Paper No: GT2019-90232

DOI: https://doi.org/10.1115/GT2019-90232

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Topics: Blades, Leakage flows, Rotors, Cooling, Film cooling, Flow (Dynamics), Sealing (Process), Turbines, Chords (Trusses), Compressors

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Journal citation

NARROW

Turbine Vane Passage Experiments Documenting Evolution of Secondary Flows With Changes in Combustor Coolant Injection Flowrates

Turbine Vane Passage Cooling Experiments With a Close-Coupled Combustor-Turbine Interface Geometry Part 1: Describing the Flow

Turbine Vane Passage Experiments Documenting Evolution of Secondary Flows With Changes in Combustor Coolant Injection Flowrates

Turbine Vane Passage Cooling Experiments With a Close-Coupled Combustor-Turbine Interface Geometry Part 2: Describing the Coolant Coverage

A Study of Film Cooling Injection Geometries: Measured Flow and Thermal Fields With Lateral, Compound and In-Line Injection

Measurements of Aerodynamic Penalties Associated With Film Cooling

Aero-Thermal Aspects of Film Cooled Nozzle Guide Vane Endwall—Part 2: Thermal Measurements

Aero-Thermal Aspects of Film Cooled Nozzle Guide Vane Endwall—Part 1: Aerodynamics

Nozzle Passage Endwall Effectiveness Values With Various Combustor Coolant Flowrates—Part 1: Flowfield Velocity and Coolant Concentration Measurements

Nozzle Passage Endwall Effectiveness Values With Various Combustor Coolant Flowrates—Part 2: Endwall and Vicinity Surface Effectiveness Measurements

Effects of Endwall Film Coolant Flowrate on Secondary Flows and Coolant Mixing in a First Stage Nozzle Guide Vane

Aero-Thermal Aspects of Film Cooled Nozzle Guide Vane Endwalls: Part 2 — Thermal Measurements

Nozzle Passage Endwall Effectiveness Values With Various Combustor Coolant Flow Rates: Part 2 — Endwall and Vicinity Surface Effectiveness Measurements

Effects of Endwall Film Coolant Flow Rate on Secondary Flows and Coolant Mixing in a First Stage Nozzle Guide Vane

Nozzle Passage Endwall Effectiveness Values With Various Combustor Coolant Flow Rates: Part 1 — Flowfield Velocity and Coolant Concentration Measurements

Aero-Thermal Aspects of Film Cooled Nozzle Guide Vane Endwalls: Part 1 — Aerodynamics

Comparisons of Endwall Overall Effectiveness From Two Film Hole Distribution Patterns at Low and High Exit Mach Numbers

In Memoriam: Professor Ephraim Maurice Sparrow

Numerical Predictions of Flow Structures and Film Cooling Effectiveness Values of a Turbine Vane: Effects of Secondary Holes

Controlling Leakage Flows Over a Rotor Blade Tip Using Air-Curtain Injection: Part I — Aero-Thermal Performance of Rotor Tips

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