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Proceedings Papers

URANS Modeling of Effects of Rotation on Flow Distribution and Heat Transfer in an Electric Motor

Ankit Tiwari, Savas Yavuzkurt
Proc. ASME. IMECE2020, Volume 10: Fluids Engineering, V010T10A026, November 16–19, 2020
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2020-23255
https://doi.org/10.1115/IMECE2020-23255
View Paper titled, URANS Modeling of Effects of Rotation on Flow Distribution and Heat Transfer in an Electric Motor
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Topics: Electric motors, Flow (Dynamics), Heat transfer, Modeling, Rotation
Proceedings Papers

A Conjugate Heat Transfer and Thermal Stress Analysis of Film-Cooled Superalloy With Thermal Barrier Coating

Xiaohu Chen, Jiao Li, Yun Long, Yuzhang Wang, Shilie Weng, Savas Yavuzkurt
Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A074, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16241
https://doi.org/10.1115/GT2020-16241
View Paper titled, A Conjugate Heat Transfer and Thermal Stress Analysis of Film-Cooled Superalloy With Thermal Barrier Coating
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Topics: Film cooling, Heat transfer, Superalloys, Thermal barrier coatings, Thermal stresses
Proceedings Papers

Simulations of Film Cooling Flow Structure and Heat Transfer in the Near Field of Cooling Jets With a Modified DES Model

Feiyan Yu, Savas Yavuzkurt
Proc. ASME. HT2019, ASME 2019 Heat Transfer Summer Conference, V001T05A004, July 14–17, 2019
Publisher: American Society of Mechanical Engineers
Paper No: HT2019-3683
https://doi.org/10.1115/HT2019-3683
View Paper titled, Simulations of Film Cooling Flow Structure and Heat Transfer in the Near Field of Cooling Jets With a Modified DES Model
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Topics: Cooling, Film cooling, Flow (Dynamics), Heat transfer, Jets, Simulation, Density, Engineering simulation, Eddies (Fluid dynamics), Coolants
Journal Articles

A Comparative Study of Performance of Low Reynolds Number Turbulence Models for Various Heat Transfer Enhancement Simulations

Ankit Tiwari, Savas Yavuzkurt
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. July 2019, 141(7): 071902.
Paper No: HT-18-1691
https://doi.org/10.1115/1.4043305
Published Online: May 14, 2019
View Article titled, A Comparative Study of Performance of Low Reynolds Number Turbulence Models for Various Heat Transfer Enhancement Simulations
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Topics: Friction, Reynolds number, Turbulence, Heat transfer, Fins, Computational fluid dynamics
Proceedings Papers

Simulation of Film Cooling Heat Transfer and Simulation Improvement With a Modified DES Turbulence Model

Feiyan Yu, Savas Yavuzkurt
Proc. ASME. IMECE2018, Volume 8A: Heat Transfer and Thermal Engineering, V08AT10A039, November 9–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2018-86887
https://doi.org/10.1115/IMECE2018-86887
View Paper titled, Simulation of Film Cooling Heat Transfer and Simulation Improvement With a Modified DES Turbulence Model
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Topics: Film cooling, Heat transfer, Simulation, Turbulence, Modeling, Vortices, Cooling, Density, Design, Diffusion (Physics)
Proceedings Papers

Effects of Oscillations in the Main Flow on Film Cooling at Various Frequencies at a Low Blowing Ratio

Seung Il Baek, Savas Yavuzkurt
Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT12A006, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75440
https://doi.org/10.1115/GT2018-75440
View Paper titled, Effects of Oscillations in the Main Flow on Film Cooling at Various Frequencies at a Low Blowing Ratio
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Topics: Film cooling, Flow (Dynamics), Oscillations, Coolants, Gas turbines, Combustion chambers, Heat transfer coefficients, Vortices, Blades, Combustion
Proceedings Papers

Effects of Oscillations in the Mainstream on Film Cooling at Various Blowing Ratios

Seung Il Baek, Savas Yavuzkurt
Proc. ASME. GT2017, Volume 5A: Heat Transfer, V05AT12A007, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63398
https://doi.org/10.1115/GT2017-63398
View Paper titled, Effects of Oscillations in the Mainstream on Film Cooling at Various Blowing Ratios
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Topics: Film cooling, Oscillations, Flow (Dynamics), Jets, Coolants, Heat transfer coefficients, Cooling, Turbulence, Combustion, Cycles
Proceedings Papers

Effects of Oscillations in the Main Flow due to Thermo Acoustic Fields in a Gas Turbine Combustor on Film Cooling

Seung Il Baek, Savas Yavuzkurt
Proc. ASME. GT2016, Volume 5C: Heat Transfer, V05CT12A005, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56402
https://doi.org/10.1115/GT2016-56402
View Paper titled, Effects of Oscillations in the Main Flow due to Thermo Acoustic Fields in a Gas Turbine Combustor on Film Cooling
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Topics: Acoustics, Combustion chambers, Film cooling, Flow (Dynamics), Gas turbines, Oscillations, Engineering simulation, Jets, Simulation, Waves
Proceedings Papers

A Superposition Technique for Multiple-Row Film-Cooling for Calculation of 2-D Effectiveness and Heat Transfer Coefficients

Peter T. Ingram, Savas Yavuzkurt
Proc. ASME. GT2015, Volume 5B: Heat Transfer, V05BT12A014, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-42417
https://doi.org/10.1115/GT2015-42417
View Paper titled, A Superposition Technique for Multiple-Row Film-Cooling for Calculation of 2-D Effectiveness and Heat Transfer Coefficients
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Topics: Film cooling, Heat transfer coefficients, Heat transfer, Errors
Proceedings Papers

Evaluation of Effects of Different Design Parameters on Axial Fan Performance Using CFD

Racheet Matai, Savas Yavuzkurt
Proc. ASME. GT2015, Volume 1: Aircraft Engine; Fans and Blowers; Marine, V001T09A012, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-43056
https://doi.org/10.1115/GT2015-43056
View Paper titled, Evaluation of Effects of Different Design Parameters on Axial Fan Performance Using CFD
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Topics: Computational fluid dynamics, Design, Blades, Flow (Dynamics), Chords (Trusses), Pressure, Resistors, Rotors, Simulation results
Journal Articles

Unsteady Numerical Simulation of Flow in Draft Tube of a Hydroturbine Operating Under Various Conditions Using a Partially Averaged Navier–Stokes Model

Hosein Foroutan, Savas Yavuzkurt
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. June 2015, 137(6): 061101.
Paper No: FE-14-1527
https://doi.org/10.1115/1.4029632
Published Online: March 4, 2015
View Article titled, Unsteady Numerical Simulation of Flow in Draft Tube of a Hydroturbine Operating Under Various Conditions Using a Partially Averaged Navier–Stokes Model
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Topics: Flow (Dynamics), Hydraulic turbines, Pressure, Reynolds-averaged Navier–Stokes equations, Simulation, Turbulence, Vortices, Computer simulation, Fluctuations (Physics), Ropes
Proceedings Papers

Modeling Sulfur Dioxide Capture in a Pulverized Coal Combustor

Rajesh B. Nair, Savas Yavuzkurt
Proc. ASME. GT1996, Volume 3: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations, V003T05A010, June 10–13, 1996
Publisher: American Society of Mechanical Engineers
Paper No: 96-GT-112
https://doi.org/10.1115/96-GT-112
View Paper titled, Modeling Sulfur Dioxide Capture in a Pulverized Coal Combustor
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Topics: Coal, Combustion chambers, Modeling, Sulfur, Particulate matter, Combustion, Diffusion (Physics), Heat, Mass transfer, Sintering
Journal Articles

Numerical Simulations of the Near-Field Region of Film Cooling Jets Under High Free Stream Turbulence: Application of RANS and Hybrid URANS/Large Eddy Simulation Models

Hosein Foroutan, Savas Yavuzkurt
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. January 2015, 137(1): 011701.
Paper No: HT-14-1109
https://doi.org/10.1115/1.4028646
Published Online: January 1, 2015
View Article titled, Numerical Simulations of the Near-Field Region of Film Cooling Jets Under High Free Stream Turbulence: Application of RANS and Hybrid URANS/Large Eddy Simulation Models
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Topics: Film cooling, Flow (Dynamics), Reynolds-averaged Navier–Stokes equations, Simulation, Turbulence, Temperature, Computer simulation, Eddies (Fluid dynamics), Engineering simulation, Jets
Proceedings Papers

Simulation of the Near-Field Region of Film Cooling Jets Using RANS and Hybrid URANS/LES Models

Hosein Foroutan, Savas Yavuzkurt
Proc. ASME. GT2014, Volume 5B: Heat Transfer, V05BT13A031, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-25959
https://doi.org/10.1115/GT2014-25959
View Paper titled, Simulation of the Near-Field Region of Film Cooling Jets Using RANS and Hybrid URANS/LES Models
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Topics: Film cooling, Jets, Reynolds-averaged Navier–Stokes equations, Simulation, Flow (Dynamics), Turbulence, Computer simulation, Eddies (Fluid dynamics), Flat plates, Heat flux
Proceedings Papers

The Modeling and Analysis of a Package-Scale Circulating Fluidized Combustor

Matthew J. Kremer, Savas Yavuzkurt
Proc. ASME. GT2001, Volume 2: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations, V002T01A002, June 4–7, 2001
Publisher: American Society of Mechanical Engineers
Paper No: 2001-GT-0002
https://doi.org/10.1115/2001-GT-0002
View Paper titled, The Modeling and Analysis of a Package-Scale Circulating Fluidized Combustor
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Topics: Combustion chambers, Modeling, Particulate matter, Computation, Engineering simulation, Fluidized beds, Simulation, Temperature, Carbon, Flow (Dynamics)
Journal Articles

Flow in the Simplified Draft Tube of a Francis Turbine Operating at Partial Load—Part II: Control of the Vortex Rope

Hosein Foroutan, Savas Yavuzkurt
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Research-Article
J. Appl. Mech. June 2014, 81(6): 061011.
Paper No: JAM-13-1424
https://doi.org/10.1115/1.4026818
Published Online: March 6, 2014
View Article titled, Flow in the Simplified Draft Tube of a Francis Turbine Operating at Partial Load—Part II: Control of the Vortex Rope
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Topics: Engineering simulation, Flow (Dynamics), Ropes, Simulation, Vortices, Water, Stress, Pressure, Francis turbines, Turbines
Journal Articles

Flow in the Simplified Draft Tube of a Francis Turbine Operating at Partial Load—Part I: Simulation of the Vortex Rope

Hosein Foroutan, Savas Yavuzkurt
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Research-Article
J. Appl. Mech. June 2014, 81(6): 061010.
Paper No: JAM-13-1423
https://doi.org/10.1115/1.4026817
Published Online: March 6, 2014
View Article titled, Flow in the Simplified Draft Tube of a Francis Turbine Operating at Partial Load—Part I: Simulation of the Vortex Rope
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Topics: Engineering simulation, Flow (Dynamics), Ropes, Simulation, Stress, Turbulence, Vortices, Francis turbines
Proceedings Papers

Derivation of 2-D Empirical Correlations for Film-Cooling Effectiveness and Heat Transfer Augmentation From Spanwise Averaged Data and Correlations

Peter T. Ingram, Savas Yavuzkurt
Proc. ASME. GT2013, Volume 3B: Heat Transfer, V03BT13A045, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-95149
https://doi.org/10.1115/GT2013-95149
View Paper titled, Derivation of 2-D Empirical Correlations for Film-Cooling Effectiveness and Heat Transfer Augmentation From Spanwise Averaged Data and Correlations
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Topics: Film cooling, Heat transfer, Temperature, Cooling, Design, Temperature distribution, Engineering simulation, Flat plates, Gas turbines, Simulation
Proceedings Papers

Analysis and Prevention of Vortex Rope Formation in the Draft Tube Cone of a Hydraulic Turbine

Hosein Foroutan, Savas Yavuzkurt
Proc. ASME. IMECE2012, Volume 7: Fluids and Heat Transfer, Parts A, B, C, and D, 2167-2177, November 9–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2012-86224
https://doi.org/10.1115/IMECE2012-86224
View Paper titled, Analysis and Prevention of Vortex Rope Formation in the Draft Tube Cone of a Hydraulic Turbine
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Topics: Hydraulic turbines, Ropes, Vortices, Flow (Dynamics), Engineering simulation, Simulation, Pressure, Shear (Mechanics), Stress, Water
Proceedings Papers

A Model for Simulation of Turbulent Flow With High Free Stream Turbulence Implemented in OpenFOAM

Hosein Foroutan, Savas Yavuzkurt
Proc. ASME. GT2012, Volume 4: Heat Transfer, Parts A and B, 265-274, June 11–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: GT2012-68717
https://doi.org/10.1115/GT2012-68717
View Paper titled, A Model for Simulation of Turbulent Flow With High Free Stream Turbulence Implemented in OpenFOAM
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Topics: Simulation, Turbulence, Kinetic energy, Reynolds number, Skin friction (Fluid dynamics), Boundary layer turbulence, Boundary layers, Computational fluid dynamics, Flat plates, Flow (Dynamics)