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Journal Articles

Aerodynamic Optimization of a Swept Horizontal Axis Wind Turbine Blade

Mehmet Numan Kaya, Faruk Köse, Oğuz Uzol, Derek Ingham, Lin Ma, Mohamed Pourkashanian
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. September 2021, 143(9): 091301.
Paper No: JERT-21-1167
https://doi.org/10.1115/1.4051469
Published Online: June 24, 2021
View Article titled, Aerodynamic Optimization of a Swept Horizontal Axis Wind Turbine Blade
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Topics: Blades, Optimization, Computational fluid dynamics, Design
Journal Articles

Experimental Investigation of the Effects of Winglets on the Tip Vortex Behavior of a Model Horizontal Axis Wind Turbine Using Particle Image Velocimetry

Yaşar Ostovan, M. Tuğrul Akpolat, Oğuz Uzol
Journal: Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research-Article
J. Sol. Energy Eng. February 2019, 141(1): 011006.
Paper No: SOL-17-1391
https://doi.org/10.1115/1.4041154
Published Online: September 14, 2018
View Article titled, Experimental Investigation of the Effects of Winglets on the Tip Vortex Behavior of a Model Horizontal Axis Wind Turbine Using Particle Image Velocimetry
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Topics: Blades, Drag (Fluid dynamics), Flow (Dynamics), Horizontal axis wind turbines, Kinetic energy, Particulate matter, Rotors, Turbulence, Vortices, Vorticity
Proceedings Papers

Oscillator Fin as a Novel Heat Transfer Augmentation Device for Gas Turbine Cooling Applications

Oguz Uzol, Cengiz Camci
Proc. ASME. GT1998, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T09A032, June 2–5, 1998
Publisher: American Society of Mechanical Engineers
Paper No: 98-GT-150
https://doi.org/10.1115/98-GT-150
View Paper titled, Oscillator Fin as a Novel Heat Transfer Augmentation Device for Gas Turbine Cooling Applications
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Topics: Cooling, Gas turbines, Heat transfer, Turbulence, Kinetic energy, Cylinders, Wakes, Blades, Computer simulation, Coolants
Proceedings Papers

Application of a Fuzzy Logic Controller for Speed Control on a Small-Scale Turbojet Engine

Serdar Üşenmez, Sinan Ekinci, Oğuz Uzol, İlkay Yavrucuk
Proc. ASME. GT2014, Volume 1B: Marine; Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V01BT24A021, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-27158
https://doi.org/10.1115/GT2014-27158
View Paper titled, Application of a Fuzzy Logic Controller for Speed Control on a Small-Scale Turbojet Engine
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Topics: Control equipment, Engines, Fuzzy logic, Turbojets, Fuels, Computer software, Flow (Dynamics), Fuel pumps, Graphical user interfaces, Steady state
Proceedings Papers

Aerodynamic Loss Characteristics of a Turbine Blade With Trailing Edge Coolant Ejection: Part 1 — Effect of Cut-Back Length, Spanwise Rib Spacing, Free Stream Reynolds Number and Chordwise Rib Length on Discharge Coefficients

Oğuz Uzol, Cengiz Camcı, Boris Glezer
Proc. ASME. GT2000, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T01A064, May 8–11, 2000
Publisher: American Society of Mechanical Engineers
Paper No: 2000-GT-0258
https://doi.org/10.1115/2000-GT-0258
View Paper titled, Aerodynamic Loss Characteristics of a Turbine Blade With Trailing Edge Coolant Ejection: Part 1 — Effect of Cut-Back Length, Spanwise Rib Spacing, Free Stream Reynolds Number and Chordwise Rib Length on Discharge Coefficients
Open the PDF for Aerodynamic Loss Characteristics of a Turbine Blade With Trailing Edge Coolant Ejection: Part 1 — Effect of Cut-Back Length, Spanwise Rib Spacing, Free Stream Reynolds Number and Chordwise Rib Length on Discharge Coefficients in another window
Topics: Coolants, Discharge coefficient, Reynolds number, Turbine blades, Cooling systems, Flow (Dynamics), Blades, Fluid mechanics, Fluids, Pressure
Proceedings Papers

Aerodynamic Loss Characteristics of a Turbine Blade With Trailing Edge Coolant Ejection: Part 2 — External Aerodynamics, Total Pressure Losses and Predictions

Oğuz Uzol, Cengiz Camcı
Proc. ASME. GT2000, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T01A102, May 8–11, 2000
Publisher: American Society of Mechanical Engineers
Paper No: 2000-GT-0557
https://doi.org/10.1115/2000-GT-0557
View Paper titled, Aerodynamic Loss Characteristics of a Turbine Blade With Trailing Edge Coolant Ejection: Part 2 — External Aerodynamics, Total Pressure Losses and Predictions
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Topics: Aerodynamics, Coolants, Pressure, Turbine blades, Wakes, Blades, Flow (Dynamics), Turbulence, Algebra, Computer simulation
Proceedings Papers

Elliptical Pin Fins as an Alternative to Circular Pin Fins for Gas Turbine Blade Cooling Applications: Part 1 — Endwall Heat Transfer and Total Pressure Loss Characteristics

Oğuz Uzol, Cengiz Camci
Proc. ASME. GT2001, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T01A056, June 4–7, 2001
Publisher: American Society of Mechanical Engineers
Paper No: 2001-GT-0180
https://doi.org/10.1115/2001-GT-0180
View Paper titled, Elliptical Pin Fins as an Alternative to Circular Pin Fins for Gas Turbine Blade Cooling Applications: Part 1 — Endwall Heat Transfer and Total Pressure Loss Characteristics
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Topics: Blades, Cooling, Fins, Gas turbines, Heat transfer, Pressure, Convection, Flow (Dynamics), Liquid crystals, Reynolds number
Proceedings Papers

Elliptical Pin Fins as an Alternative to Circular Pin Fins for Gas Turbine Blade Cooling Applications: Part 2 — Wake Flow Field Measurements and Visualization Using Particle Image Velocimetry

Oğuz Uzol, Cengiz Camci
Proc. ASME. GT2001, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T01A057, June 4–7, 2001
Publisher: American Society of Mechanical Engineers
Paper No: 2001-GT-0181
https://doi.org/10.1115/2001-GT-0181
View Paper titled, Elliptical Pin Fins as an Alternative to Circular Pin Fins for Gas Turbine Blade Cooling Applications: Part 2 — Wake Flow Field Measurements and Visualization Using Particle Image Velocimetry
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Topics: Blades, Cooling, Fins, Gas turbines, Particulate matter, Visualization, Wakes, Flow (Dynamics), Momentum, Turbulence
Proceedings Papers

Direct Calculation of Entropy Generation by Solving Reynolds-Averaged Entropy Transport Equation in an Air-Cooled Turbine Cascade

Ömer Emre Orhan, Oguz Uzol
Proc. ASME. GT2012, Volume 4: Heat Transfer, Parts A and B, 777-783, June 11–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: GT2012-70064
https://doi.org/10.1115/GT2012-70064
View Paper titled, Direct Calculation of Entropy Generation by Solving Reynolds-Averaged Entropy Transport Equation in an Air-Cooled Turbine Cascade
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Topics: Cascades (Fluid dynamics), Entropy, Turbines, Temperature, Computational fluid dynamics, Modeling, Flow (Dynamics), Fluctuations (Physics), Navier-Stokes equations, Scalars
Proceedings Papers

Experimental Investigation of the Effects of Waveform Tip Injection in a Low Pressure Turbine Cascade

Bayram Mercan, Eda Doğan, Yashar Ostovan, Oğuz Uzol
Proc. ASME. GT2012, Volume 8: Turbomachinery, Parts A, B, and C, 1473-1485, June 11–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: GT2012-69316
https://doi.org/10.1115/GT2012-69316
View Paper titled, Experimental Investigation of the Effects of Waveform Tip Injection in a Low Pressure Turbine Cascade
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Topics: Cascades (Fluid dynamics), Pressure, Turbines, Vortices, Flow (Dynamics), Leakage, Blades, Turbulence, Computers, Jets
Journal Articles

Investigation of the Linear Stability Problem of Electrified Jets, Inviscid Analysis

Serkan Özgen, Oguz Uzol
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Fundamental Issues And Canonical Flows
J. Fluids Eng. September 2012, 134(9): 091201.
https://doi.org/10.1115/1.4007157
Published Online: August 21, 2012
View Article titled, Investigation of the Linear Stability Problem of Electrified Jets, Inviscid Analysis
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Topics: Density, Dispersion relations, Electric charge, Flow (Dynamics), Jets, Stability, Surface tension, Waves, Stress, Drops
Journal Articles

The Effects of Inlet Guide Vane-Wake Impingement on the Boundary Layer and the Near-Wake of a Rotor Blade

Francesco Soranna, Yi-Chih Chow, Oguz Uzol, Joseph Katz
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2010, 132(4): 041016.
https://doi.org/10.1115/1.3149282
Published Online: May 10, 2010
View Article titled, The Effects of Inlet Guide Vane-Wake Impingement on the Boundary Layer and the Near-Wake of a Rotor Blade
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Topics: Blades, Boundary layers, Inlet guide vanes, Rotors, Turbulence, Wakes, Suction
Proceedings Papers

The Effects of IGV Wake Impingement on the Boundary Layer and the Near-Wake of a Rotor Blade

Francesco Soranna, Yi-Chih Chow, Oguz Uzol, Joseph Katz
Proc. ASME. GT2008, Volume 6: Turbomachinery, Parts A, B, and C, 1881-1894, June 9–13, 2008
Publisher: American Society of Mechanical Engineers
Paper No: GT2008-50598
https://doi.org/10.1115/GT2008-50598
View Paper titled, The Effects of IGV Wake Impingement on the Boundary Layer and the Near-Wake of a Rotor Blade
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Topics: Blades, Boundary layers, Inlet guide vanes, Rotors, Wakes, Momentum, Turbulence, Flow (Dynamics), Shear (Mechanics), Suction
Proceedings Papers

Structure of Turbulence Around the Trailing Edge of a Rotor Blade

Francesco Soranna, Yi-Chih Chow, Oguz Uzol, Joseph Katz
Proc. ASME. FEDSM2007, Volume 2: Fora, Parts A and B, 985-998, July 30–August 2, 2007
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2007-37573
https://doi.org/10.1115/FEDSM2007-37573
View Paper titled, Structure of Turbulence Around the Trailing Edge of a Rotor Blade
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Topics: Blades, Rotors, Turbulence, Wakes, Inlet guide vanes, Boundary layers, Kinetic energy, Chords (Trusses), Compression, Flow (Dynamics)
Proceedings Papers

Flow Structure and Turbulence in the Tip Region of a Turbomachine Rotor Blade

Francesco Soranna, Yi-Chih Chow, Oguz Uzol, Joseph Katz
Proc. ASME. GT2007, Volume 6: Turbo Expo 2007, Parts A and B, 1687-1699, May 14–17, 2007
Publisher: American Society of Mechanical Engineers
Paper No: GT2007-27590
https://doi.org/10.1115/GT2007-27590
View Paper titled, Flow Structure and Turbulence in the Tip Region of a Turbomachine Rotor Blade
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Topics: Blades, Flow (Dynamics), Rotors, Turbomachinery, Turbulence, Vortices, Kinetic energy, Die cutting, Leakage, Shearing (Deformation)
Proceedings Papers

3D Measurements of Deterministic Stresses Within a Rotor-Stator Gap at Mid-Span and Tip Regions

Oguz Uzol, Yi-Chih Chow, Francesco Soranna, Joseph Katz, Charles Meneveau
Proc. ASME. HT-FED2004, Volume 1, 345-359, July 11–15, 2004
Publisher: American Society of Mechanical Engineers
Paper No: HT-FED2004-56513
https://doi.org/10.1115/HT-FED2004-56513
View Paper titled, 3D Measurements of Deterministic Stresses Within a Rotor-Stator Gap at Mid-Span and Tip Regions
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Topics: Rotors, Stators, Stress, Turbulence, Blades, Wake turbulence, Flow (Dynamics), Shear stress, Turbomachinery, Wakes
Proceedings Papers

Rotor Boundary Layer Response to an Impinging Wake

Francesco Soranna, Yi-Chih Chow, Oguz Uzol, Joseph Katz
Proc. ASME. HT-FED2004, Volume 1, 121-132, July 11–15, 2004
Publisher: American Society of Mechanical Engineers
Paper No: HT-FED2004-56125
https://doi.org/10.1115/HT-FED2004-56125
View Paper titled, Rotor Boundary Layer Response to an Impinging Wake
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Topics: Boundary layers, Rotors, Wakes, Pressure gradient, Flow (Dynamics), Inlet guide vanes, Blades, Chords (Trusses), Diluents, Displacement
Proceedings Papers

Experimental Investigation of Unsteady Flow Field Within a Two Stage Axial Turbomachine Using Particle Image Velocimetry

Oguz Uzol, Yi-Chih Chow, Joseph Katz, Charles Meneveau
Proc. ASME. GT2002, Volume 5: Turbo Expo 2002, Parts A and B, 1201-1214, June 3–6, 2002
Publisher: American Society of Mechanical Engineers
Paper No: GT2002-30664
https://doi.org/10.1115/GT2002-30664
View Paper titled, Experimental Investigation of Unsteady Flow Field Within a Two Stage Axial Turbomachine Using Particle Image Velocimetry
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Topics: Particulate matter, Turbomachinery, Unsteady flow, Wakes, Rotors, Blades, Flow (Dynamics), Stators, Turbulence, Kinetic energy
Proceedings Papers

Flow Non-Uniformities and Turbulent “Hot Spots” Due to Wake-Blade and Wake-Wake Interactions in a Multistage Turbomachine

Yi-Chih Chow, Oguz Uzol, Joseph Katz
Proc. ASME. GT2002, Volume 5: Turbo Expo 2002, Parts A and B, 1215-1227, June 3–6, 2002
Publisher: American Society of Mechanical Engineers
Paper No: GT2002-30667
https://doi.org/10.1115/GT2002-30667
View Paper titled, Flow Non-Uniformities and Turbulent “Hot Spots” Due to Wake-Blade and Wake-Wake Interactions in a Multistage Turbomachine
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Topics: Blades, Flow (Dynamics), Turbomachinery, Turbulence, Wakes, Rotors, Stators, Vorticity, Pressure, Shear stress
Proceedings Papers

Experimental Study of the Structure of a Rotor Wake in a Complex Turbomachinery Flow

Yi-Chih Chow, Oguz Uzol, Joseph Katz, Charles Meneveau
Proc. ASME. FEDSM2003, Volume 1: Fora, Parts A, B, C, and D, 1007-1019, July 6–10, 2003
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2003-45575
https://doi.org/10.1115/FEDSM2003-45575
View Paper titled, Experimental Study of the Structure of a Rotor Wake in a Complex Turbomachinery Flow
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Topics: Flow (Dynamics), Rotors, Turbomachinery, Wakes, Turbulence, Shear (Mechanics), Energy dissipation, Blades, Anisotropy, Emission spectroscopy