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Proceedings Papers

Experimental and Numerical Investigation of Heat Transfer and Film Cooling Effectiveness of a Highly Loaded Turbine Blade Under Steady and Unsteady Wake Flow Condition

A. Nikparto, T. Rice, M. T. Schobeiri
Proc. ASME. GT2017, Volume 5C: Heat Transfer, V05CT19A029, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-65012
https://doi.org/10.1115/GT2017-65012
View Paper titled, Experimental and Numerical Investigation of Heat Transfer and Film Cooling Effectiveness of a Highly Loaded Turbine Blade Under Steady and Unsteady Wake Flow Condition
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Topics: Film cooling, Heat transfer, Turbine blades, Wakes, Blades, Cavities, Cascades (Fluid dynamics), Coolants, Flow (Dynamics), Computer simulation
Proceedings Papers

Investigation of Aerodynamics and Heat Transfer of a Highly Loaded Turbine Blade Using the Universal Intermittency Function

A. Nikparto, M. T. Schobeiri
Proc. ASME. GT2017, Volume 2D: Turbomachinery, V02DT46A030, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64988
https://doi.org/10.1115/GT2017-64988
View Paper titled, Investigation of Aerodynamics and Heat Transfer of a Highly Loaded Turbine Blade Using the Universal Intermittency Function
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Topics: Aerodynamics, Heat transfer, Turbine blades, Flow (Dynamics), Blades, Boundary layers, Gas turbines, Pressure, Reynolds number, Wakes
Proceedings Papers

Development of Two-Dimensional Wakes Within Curved Channels, Theoretical Framework and Experimental Investigation

M. T. Schobeiri, J. John, K. Pappu
Proc. ASME. GT1994, Volume 1: Turbomachinery, V001T01A127, June 13–16, 1994
Publisher: American Society of Mechanical Engineers
Paper No: 94-GT-367
https://doi.org/10.1115/94-GT-367
View Paper titled, Development of Two-Dimensional Wakes Within Curved Channels, Theoretical Framework and Experimental Investigation
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Topics: Wakes, Turbulence, Equations of motion, Flow (Dynamics), Fluctuations (Physics), Pressure gradient, Probes, Shear stress
Proceedings Papers

Development of Periodic Unsteady Turbulent Wakes in a Curved Channel at Zero Streamwise Pressure Gradient

M. T. Schobeiri, J. John
Proc. ASME. GT1994, Volume 1: Turbomachinery, V001T01A068, June 13–16, 1994
Publisher: American Society of Mechanical Engineers
Paper No: 94-GT-158
https://doi.org/10.1115/94-GT-158
View Paper titled, Development of Periodic Unsteady Turbulent Wakes in a Curved Channel at Zero Streamwise Pressure Gradient
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Topics: Pressure gradient, Wake turbulence, Wakes, Cylinders, Flow (Dynamics), Probes, Stress, Stress concentration, Turbomachinery
Proceedings Papers

Development of Two-Dimensional Turbulent Wakes in a Curved Channel at Positive Streamwise Pressure Gradient

J. John, M. T. Schobeiri
Proc. ASME. GT1994, Volume 1: Turbomachinery, V001T01A133, June 13–16, 1994
Publisher: American Society of Mechanical Engineers
Paper No: 94-GT-384
https://doi.org/10.1115/94-GT-384
View Paper titled, Development of Two-Dimensional Turbulent Wakes in a Curved Channel at Positive Streamwise Pressure Gradient
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Topics: Pressure gradient, Wake turbulence, Wakes, Stress, Probes, Circular cylinders, Flow (Dynamics), Gaussian distribution, Turbomachinery
Proceedings Papers

Effects of Periodic Unsteady Wake Flow and Pressure Gradient on Boundary Layer Transition Along the Concave Surface of a Curved Plate

M. T. Schobeiri, R. E. Radke
Proc. ASME. GT1994, Volume 1: Turbomachinery, V001T01A106, June 13–16, 1994
Publisher: American Society of Mechanical Engineers
Paper No: 94-GT-327
https://doi.org/10.1115/94-GT-327
View Paper titled, Effects of Periodic Unsteady Wake Flow and Pressure Gradient on Boundary Layer Transition Along the Concave Surface of a Curved Plate
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Topics: Boundary layers, Pressure gradient, Wakes, Turbulence, Blades, Cascades (Fluid dynamics), Deformation, Probes, Rods, Turbine blades
Proceedings Papers

Experimental Study of the Unsteady Boundary Layer Behavior on a Turbine Cascade

M. T. Schobeiri, K. Pappu, L. Wright
Proc. ASME. GT1995, Volume 1: Turbomachinery, V001T01A100, June 5–8, 1995
Publisher: American Society of Mechanical Engineers
Paper No: 95-GT-435
https://doi.org/10.1115/95-GT-435
View Paper titled, Experimental Study of the Unsteady Boundary Layer Behavior on a Turbine Cascade
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Topics: Boundary layers, Cascades (Fluid dynamics), Turbines, Turbulence, Wakes, Aerodynamics, Blades, Flow (Dynamics), Heat transfer, Pressure
Proceedings Papers

Effect of Unsteady Wake Passing Frequency on Boundary Layer Transition, Experimental Investigation and Wavelet Analysis

M. T. Schobeiri, K. Read, J. Lewalle
Proc. ASME. GT1995, Volume 1: Turbomachinery, V001T01A102, June 5–8, 1995
Publisher: American Society of Mechanical Engineers
Paper No: 95-GT-437
https://doi.org/10.1115/95-GT-437
View Paper titled, Effect of Unsteady Wake Passing Frequency on Boundary Layer Transition, Experimental Investigation and Wavelet Analysis
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Topics: Boundary layers, Wakes, Wavelets, Unsteady flow, Cascades (Fluid dynamics), Fluctuations (Physics), Pressure gradient, Rods, Signals, Turbulence
Proceedings Papers

Advances in Nonlinear Dynamic Engine Simulation With an Example: Dynamic Performance Behavior of a Gas Turbine With One Reheat Turbine Stage and Two Combustion Chambers

M. T. Schobeiri, M. S. Attia
Proc. ASME. GT1996, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; General, V005T16A016, June 10–13, 1996
Publisher: American Society of Mechanical Engineers
Paper No: 96-GT-392
https://doi.org/10.1115/96-GT-392
View Paper titled, Advances in Nonlinear Dynamic Engine Simulation With an Example: Dynamic Performance Behavior of a Gas Turbine With One Reheat Turbine Stage and Two Combustion Chambers
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Topics: Combustion chambers, Engines, Gas turbines, Simulation, Turbines, Energy generation, Reliability, Robustness, Transients (Dynamics), Turbine components
Proceedings Papers

Optimization of Trailing Edge Ejection Mixing Losses: A Theoretical and Experimental Study

K. R. Pappu, M. T. Schobeiri
Proc. ASME. GT1997, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A106, June 2–5, 1997
Publisher: American Society of Mechanical Engineers
Paper No: 97-GT-523
https://doi.org/10.1115/97-GT-523
View Paper titled, Optimization of Trailing Edge Ejection Mixing Losses: A Theoretical and Experimental Study
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Topics: Blades, Cooling, Deflection, Electric power generation, Flow (Dynamics), Gas turbines, Geometry, Heat transfer, NASA, Optimization
Proceedings Papers

Modeling Unsteady Boundary Layer Transition on a Curved Plate Under Periodic Unsteady Flow Conditions: Aerodynamic and Heat Transfer Investigations

P. Chakka, M. T. Schobeiri
Proc. ASME. GT1997, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A061, June 2–5, 1997
Publisher: American Society of Mechanical Engineers
Paper No: 97-GT-399
https://doi.org/10.1115/97-GT-399
View Paper titled, Modeling Unsteady Boundary Layer Transition on a Curved Plate Under Periodic Unsteady Flow Conditions: Aerodynamic and Heat Transfer Investigations
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Topics: Boundary layers, Heat transfer, Modeling, Unsteady flow, Turbulence, Wakes, Heat transfer coefficients, Pressure gradient
Proceedings Papers

Unsteady Wake Effects on Boundary Layer Transition and Heat Transfer Characteristics of a Turbine Blade

M. T. Schobeiri, P. Chakka, K. Pappu
Proc. ASME. GT1998, Volume 1: Turbomachinery, V001T01A080, June 2–5, 1998
Publisher: American Society of Mechanical Engineers
Paper No: 98-GT-291
https://doi.org/10.1115/98-GT-291
View Paper titled, Unsteady Wake Effects on Boundary Layer Transition and Heat Transfer Characteristics of a Turbine Blade
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Topics: Boundary layers, Heat transfer, Turbine blades, Wakes, Cascades (Fluid dynamics), Heat transfer coefficients, Liquid crystals, Pressure, Probes, Suction
Proceedings Papers

Scales of Turbulence During Boundary Layer Transition Under Steady and Unsteady Flow Conditions

P. Chakka, M. T. Schobeiri
Proc. ASME. GT1999, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T01A063, June 7–10, 1999
Publisher: American Society of Mechanical Engineers
Paper No: 99-GT-221
https://doi.org/10.1115/99-GT-221
View Paper titled, Scales of Turbulence During Boundary Layer Transition Under Steady and Unsteady Flow Conditions
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Topics: Boundary layers, Turbulence, Unsteady flow, Wakes, Signals, Blades, Cascades (Fluid dynamics), Computational fluid dynamics, Flow (Dynamics), Rods
Proceedings Papers

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

M. Rezasoltani, K. Lu, M. T. Schobeiri, J. C. Han
Proc. ASME. GT2014, Volume 5B: Heat Transfer, V05BT13A019, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-25625
https://doi.org/10.1115/GT2014-25625
View Paper titled, A Combined Experimental and Numerical Study of the Turbine Blade Tip Film Cooling Effectiveness Under Rotation Condition
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Topics: Film cooling, Rotation, Turbine blades, Cooling, Pressure, Blades, Flow (Dynamics), Rotors, Turbines, Turbomachinery
Proceedings Papers

A Combined Numerical and Experimental Study of the Effect of Non-Axisymmetric Contouring on Performance and Film Cooling Behavior of a Rotating Turbine Endwall

K. Lu, M. Rezasoltani, M. T. Schobeiri, J. C. Han
Proc. ASME. GT2014, Volume 5B: Heat Transfer, V05BT13A020, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-25659
https://doi.org/10.1115/GT2014-25659
View Paper titled, A Combined Numerical and Experimental Study of the Effect of Non-Axisymmetric Contouring on Performance and Film Cooling Behavior of a Rotating Turbine Endwall
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Topics: Film cooling, Turbines, Rotors, Simulation, Aerodynamics, Flow (Dynamics), Reynolds-averaged Navier–Stokes equations, Boundary-value problems, Computational fluid dynamics, Turbomachinery
Proceedings Papers

Aerodynamic and Performance Studies of a Three-Stage High Pressure Research Turbine With 3-D - Blades, Design Point and Off-Design Experimental Investigations

M. T. Schobeiri, J. L. Gilarranz, E. S. Johansen
Proc. ASME. GT2000, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A054, May 8–11, 2000
Publisher: American Society of Mechanical Engineers
Paper No: 2000-GT-0484
https://doi.org/10.1115/2000-GT-0484
View Paper titled, Aerodynamic and Performance Studies of a Three-Stage High Pressure Research Turbine With 3-D - Blades, Design Point and Off-Design Experimental Investigations
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Topics: Blades, Design, High pressure research, Turbines, Flow (Dynamics), Rotors, Stators, Turbomachinery
Proceedings Papers

Active Aerodynamic Control of Multi-Stage Axial Compressor Instability and Surge by Dynamically Adjusting the Stator Blades

M. T. Schobeiri
Proc. ASME. GT2001, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A067, June 4–7, 2001
Publisher: American Society of Mechanical Engineers
Paper No: 2001-GT-0479
https://doi.org/10.1115/2001-GT-0479
View Paper titled, Active Aerodynamic Control of Multi-Stage Axial Compressor Instability and Surge by Dynamically Adjusting the Stator Blades
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Topics: Blades, Compressors, Stators, Surges, Simulation, Design, Diffusion (Physics), Engines, Flow (Dynamics), Aerodynamics
Journal Articles

Experimental Investigation of the Effect of Purge Flow on Film Cooling Effectiveness on a Rotating Turbine With Nonaxisymmetric End Wall Contouring

M. Rezasoltani, M. T. Schobeiri, J. C. Han
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. September 2014, 136(9): 091009.
Paper No: TURBO-13-1256
https://doi.org/10.1115/1.4027196
Published Online: May 2, 2014
View Articletitled, Experimental Investigation of the Effect of Purge Flow on Film Cooling Effectiveness on a Rotating Turbine With Nonaxisymmetric End Wall Contouring
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Topics: Coolants, Film cooling, Flow (Dynamics), Turbines, Rotors, Pressure
Proceedings Papers

Experimental Investigation of the Effect of Purge Flow on Film Cooling Effectiveness on a Rotating Turbine With Non-Axisymmetric Endwall Contouring

M. Rezasoltani, M. T. Schobeiri, J. C. Han
Proc. ASME. GT2013, Volume 3B: Heat Transfer, V03BT13A033, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-94807
https://doi.org/10.1115/GT2013-94807
View Paper titled, Experimental Investigation of the Effect of Purge Flow on Film Cooling Effectiveness on a Rotating Turbine With Non-Axisymmetric Endwall Contouring
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Topics: Film cooling, Flow (Dynamics), Turbines, Rotors, Coolants, Cooling, Stators, Aerodynamics, Blades, Cavities
Proceedings Papers

Numerical Simulation of Film Cooling on Rotating Blade Tips Within a High-Pressure Turbine

K. Lu, M. T. Schobeiri, J. C. Han
Proc. ASME. GT2013, Volume 3B: Heat Transfer, V03BT13A032, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-94806
https://doi.org/10.1115/GT2013-94806
View Paper titled, Numerical Simulation of Film Cooling on Rotating Blade Tips Within a High-Pressure Turbine
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Topics: Computer simulation, Film cooling, High pressure (Physics), Rotating blades, Turbines, Blades, Cooling, Flow (Dynamics), Aerodynamics, Clearances (Engineering)