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Journal Articles

An Optimization-Based Design Strategy for Centrifugal Compressors of Automotive Turbochargers and the Comparison of Five Particular Optimization Methods

Mert Alpaya, Levent A. Kavurmacioglu, Cengiz Camci
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. October 2022, 144(10): 101205.
Paper No: FE-21-1689
https://doi.org/10.1115/1.4054466
Published Online: May 19, 2022
View Article titled, An Optimization-Based Design Strategy for Centrifugal Compressors of Automotive Turbochargers and the Comparison of Five Particular Optimization Methods
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Topics: Compressors, Computational fluid dynamics, Design, Optimization, Turbochargers, Engines, Flow (Dynamics), Rotors, Geometry
Proceedings Papers

An Experimental Study of Passage-to-Passage Flow Interactions in a Single Stage Axial Flow Research Turbine Rotor

Veerandra C. Andichamy, Cengiz Camci, Yong W. Kim
Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT40A025, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91629
https://doi.org/10.1115/GT2019-91629
View Paper titled, An Experimental Study of Passage-to-Passage Flow Interactions in a Single Stage Axial Flow Research Turbine Rotor
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Topics: Axial flow, Flow (Dynamics), Rotors, Turbines, Blades, Clearances (Engineering), Oxidation, Pressure, Pressure transducers, Probes
Journal Articles

A Genetic Algorithm Based Multi-Objective Optimization of Squealer Tip Geometry in Axial Flow Turbines: A Constant Tip Gap Approach

H. Maral, C. B. Şenel, K. Deveci, E. Alpman, L. Kavurmacıoğlu, Cengiz Camci
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. February 2020, 142(2): 021402.
Paper No: FE-19-1096
https://doi.org/10.1115/1.4044721
Published Online: October 10, 2019
View Article titled, A Genetic Algorithm Based Multi-Objective Optimization of Squealer Tip Geometry in Axial Flow Turbines: A Constant Tip Gap Approach
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Topics: Artificial neural networks, Axial flow, Blades, Computational fluid dynamics, Databases, Design, Flow (Dynamics), Genetic algorithms, Geometry, Leakage flows
Proceedings Papers

An Experimental Study of Using Vortex Generators As Tip Leakage Flow Interrupters in an Axial Flow Turbine Stage

Veerandra C. Andichamy, Gohar T. Khokhar, Cengiz Camci
Proc. ASME. GT2018, Volume 2B: Turbomachinery, V02BT41A030, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76994
https://doi.org/10.1115/GT2018-76994
View Paper titled, An Experimental Study of Using Vortex Generators As Tip Leakage Flow Interrupters in an Axial Flow Turbine Stage
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Topics: Axial flow, Generators, Leakage flows, Turbines, Vortices, Leakage, Suction, Blades, Flow (Dynamics), Turbine blades
Proceedings Papers

Experimental and Numerical Investigation of Unsteady Structures Within the Rim Seal Cavity in the Presence of Purge Mass Flow

Jason Town, Michael Averbach, Cengiz Camci
Proc. ASME. GT2016, Volume 2B: Turbomachinery, V02BT38A018, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56500
https://doi.org/10.1115/GT2016-56500
View Paper titled, Experimental and Numerical Investigation of Unsteady Structures Within the Rim Seal Cavity in the Presence of Purge Mass Flow
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Topics: Cavities, Flow (Dynamics), Rotors, Blades, Turbines, Disks, Stators, Errors, Fluids, Pressure
Journal Articles

Factors Influencing Computational Predictability of Aerodynamic Losses in a Turbine Nozzle Guide Vane Flow

Özhan H. Turgut, Cengiz Camci
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. May 2016, 138(5): 051103.
Paper No: FE-15-1265
https://doi.org/10.1115/1.4031879
Published Online: January 5, 2016
View Article titled, Factors Influencing Computational Predictability of Aerodynamic Losses in a Turbine Nozzle Guide Vane Flow
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Topics: Flow (Dynamics), Nozzle guide vanes, Pressure, Turbines, Turbulence, Resolution (Optics)
Proceedings Papers

Effect of Incidence on Wall Heating Rates and Aerodynamics on a Film Cooled Transonic Turbine Blade

Cengiz Camci, Tony Arts
Proc. ASME. GT1990, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T09A013, June 11–14, 1990
Publisher: American Society of Mechanical Engineers
Paper No: 90-GT-046
https://doi.org/10.1115/90-GT-046
View Paper titled, Effect of Incidence on Wall Heating Rates and Aerodynamics on a Film Cooled Transonic Turbine Blade
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Topics: Aerodynamics, Heating, Turbine blades, Cooling, Blades, Convection, Flow (Dynamics), Heat transfer, Pressure, Suction
Proceedings Papers

A New Hue Capturing Technique for the Quantitative Interpretation of Liquid Crystal Images Used in Convective Heat Transfer Studies

Cengiz Camci, Kuisoon Kim, S. A. Hippensteele
Proc. ASME. GT1991, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T09A009, June 3–6, 1991
Publisher: American Society of Mechanical Engineers
Paper No: 91-GT-122
https://doi.org/10.1115/91-GT-122
View Paper titled, A New Hue Capturing Technique for the Quantitative Interpretation of Liquid Crystal Images Used in Convective Heat Transfer Studies
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Topics: Convection, Liquid crystals, Crystals, Heat transfer, Image processing, Temperature, Filters, Gas turbines, Heating, Light sources
Proceedings Papers

Color Response Modification of Encapsulated Liquid Crystals Used in Rotating Disk Heat Transfer Studies

Cengiz Camci, Boris Glezer
Proc. ASME. GT1995, Volume 1: Turbomachinery, V001T01A104, June 5–8, 1995
Publisher: American Society of Mechanical Engineers
Paper No: 95-GT-439
https://doi.org/10.1115/95-GT-439
View Paper titled, Color Response Modification of Encapsulated Liquid Crystals Used in Rotating Disk Heat Transfer Studies
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Topics: Heat transfer, Liquid crystals, Rotating disks, Temperature, Coatings, Aluminum, Calibration, Collapse, Disks, Energy budget (Physics)
Proceedings Papers

Passage Flow Structure and its Influence on Endwall Heat Transfer in a 90° Turning Duct: Turbulent Stresses and Turbulent Kinetic Energy Production

Brian G. Wiedner, Cengiz Camci
Proc. ASME. GT1996, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; General, V005T16A013, June 10–13, 1996
Publisher: American Society of Mechanical Engineers
Paper No: 96-GT-251
https://doi.org/10.1115/96-GT-251
View Paper titled, Passage Flow Structure and its Influence on Endwall Heat Transfer in a 90° Turning Duct: Turbulent Stresses and Turbulent Kinetic Energy Production
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Topics: Ducts, Flow (Dynamics), Heat transfer, Kinetic energy, Stress, Turbulence, Turning, Convection, Resolution (Optics), Reynolds number
Proceedings Papers

Self-Oscillating-Impinging-Jet as a Gas Turbine Cooling Enhancement System

Frank Herr, Cengiz Camci
Proc. ASME. GT1997, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T09A066, June 2–5, 1997
Publisher: American Society of Mechanical Engineers
Paper No: 97-GT-330
https://doi.org/10.1115/97-GT-330
View Paper titled, Self-Oscillating-Impinging-Jet as a Gas Turbine Cooling Enhancement System
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Topics: Cooling, Gas turbines, Blades, Heat, Heat transfer, Jets, Aircraft, Coolants, Cooling systems, Deicing
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

Lip Separation and Inlet Flow Distortion Control in Ducted Fans Used in VTOL Systems

Ali Akturk, Cengiz Camcı
Proc. ASME. GT2014, Volume 1A: Aircraft Engine; Fans and Blowers, V01AT01A027, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-26249
https://doi.org/10.1115/GT2014-26249
View Paper titled, Lip Separation and Inlet Flow Distortion Control in Ducted Fans Used in VTOL Systems
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Topics: Fans, Flow (Dynamics), Separation (Technology), Flight, Axial flow, Ducts, Design, Momentum, Rotors, Thrust
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

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 Tip Desensitization of an Axial Turbine Rotor Using Tip Platform Extensions

Debashis Dey, Cengiz Camci
Proc. ASME. GT2001, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A069, June 4–7, 2001
Publisher: American Society of Mechanical Engineers
Paper No: 2001-GT-0484
https://doi.org/10.1115/2001-GT-0484
View Paper titled, Aerodynamic Tip Desensitization of an Axial Turbine Rotor Using Tip Platform Extensions
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Topics: Rotors, Turbines, Pressure, Suction, Axial flow, Blades, Leakage, Vortices, Leakage flows, Pressure measurement
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
Open the PDF for 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 in another window
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
Open the PDF for 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 in another window
Topics: Blades, Cooling, Fins, Gas turbines, Particulate matter, Visualization, Wakes, Flow (Dynamics), Momentum, Turbulence
Proceedings Papers

Mainstream Aerodynamic Effects due to Wheelspace Coolant Injection in a High-Pressure Turbine Stage: Part I — Aerodynamic Measurements in the Stationary Frame

Christopher McLean, Cengiz Camci, Boris Glezer
Proc. ASME. GT2001, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T01A006, June 4–7, 2001
Publisher: American Society of Mechanical Engineers
Paper No: 2001-GT-0119
https://doi.org/10.1115/2001-GT-0119
View Paper titled, Mainstream Aerodynamic Effects due to Wheelspace Coolant Injection in a High-Pressure Turbine Stage: Part I — Aerodynamic Measurements in the Stationary Frame
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Topics: Coolants, High pressure (Physics), Turbines, Cooling, Rotors, Axial flow, Boundary layers, Cavities, Flow (Dynamics), Impingement cooling
Proceedings Papers

Mainstream Aerodynamic Effects due to Wheelspace Coolant Injection in a High-Pressure Turbine Stage: Part II — Aerodynamic Measurements in the Rotational Frame

Christopher McLean, Cengiz Camci, Boris Glezer
Proc. ASME. GT2001, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T01A007, June 4–7, 2001
Publisher: American Society of Mechanical Engineers
Paper No: 2001-GT-0120
https://doi.org/10.1115/2001-GT-0120
View Paper titled, Mainstream Aerodynamic Effects due to Wheelspace Coolant Injection in a High-Pressure Turbine Stage: Part II — Aerodynamic Measurements in the Rotational Frame
Open the PDF for Mainstream Aerodynamic Effects due to Wheelspace Coolant Injection in a High-Pressure Turbine Stage: Part II — Aerodynamic Measurements in the Rotational Frame in another window
Topics: Coolants, High pressure (Physics), Turbines, Cooling, Flow (Dynamics), Rotors, Nozzle guide vanes, Axial flow, Boundary layers, Impingement cooling