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Proceedings Papers

Scale-Resolving Simulations of Low-Pressure Turbine Cascades With Wall Roughness Using a Spectral-Element Method

Anirban Garai, Laslo T. Diosady, Scott M. Murman, Nateri K. Madavan
Proc. ASME. GT2018, Volume 2C: Turbomachinery, V02CT42A026, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75982
https://doi.org/10.1115/GT2018-75982
View Paper titled, Scale-Resolving Simulations of Low-Pressure Turbine Cascades With Wall Roughness Using a Spectral-Element Method
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Topics: Engineering simulation, Pressure, Simulation, Surface roughness, Turbines, Airfoils, Boundary layers, Separation (Technology), Cascades (Fluid dynamics), Ceramic matrix composites
Proceedings Papers

Experimental and Numerical Characterization of Transonic Compressor Subjected to Inlet Distortion

Mark H. Ross, Andrew Oliva, Vicente Jerez Fidalgo, Ryan T. Kelly, Aleksandar Jemcov, William Holmes, Laith Zori
Proc. ASME. GT2018, Volume 2C: Turbomachinery, V02CT42A038, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76653
https://doi.org/10.1115/GT2018-76653
View Paper titled, Experimental and Numerical Characterization of Transonic Compressor Subjected to Inlet Distortion
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Topics: Compressors, Pressure, Rotors, Blades, Pressure measurement, Simulation, Annulus, Computation, Computer simulation, Instrumentation
Proceedings Papers

Effect of the Gas to Wall Temperature Ratio on the Bypass Transition

Riccardo Rubini, Roberto Maffulli, Tony Arts
Proc. ASME. GT2018, Volume 2C: Turbomachinery, V02CT42A034, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76214
https://doi.org/10.1115/GT2018-76214
View Paper titled, Effect of the Gas to Wall Temperature Ratio on the Bypass Transition
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Topics: Boundary layers, Design, Engineering design processes, Engineering simulation, Flow (Dynamics), Heat transfer, High pressure (Physics), Mach number, Machinery, Modeling
Proceedings Papers

On Deposit Sintering and Detachment From Gas Turbines

Nicola Casari, Michele Pinelli, Alessio Suman, Luca di Mare, Francesco Montomoli
Proc. ASME. GT2018, Volume 2D: Turbomachinery, V02DT47A011, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76774
https://doi.org/10.1115/GT2018-76774
View Paper titled, On Deposit Sintering and Detachment From Gas Turbines
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Topics: Gas turbines, Sintering, Particulate matter, Stability, Airfoils, Blades, Centrifugal force, Drag (Fluid dynamics), Engines, Failure
Proceedings Papers

Experimental and Numerical Investigation of Environmental Barrier Coated CMC Turbine Airfoil Erosion

Yoji Okita, Yousuke Mizokami, Jun Hasegawa
Proc. ASME. GT2018, Volume 2D: Turbomachinery, V02DT47A003, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75268
https://doi.org/10.1115/GT2018-75268
View Paper titled, Experimental and Numerical Investigation of Environmental Barrier Coated CMC Turbine Airfoil Erosion
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Topics: Airfoils, Ceramic matrix composites, Erosion, Turbines, Particulate matter, Temperature, Numerical analysis, Aircraft engines, Alloys, Brittleness
Proceedings Papers

Three-Dimensional Aerodynamic Optimization of Turbine Blade Profile Considering Heat Transfer Performance

Liu Wei, Wen Feng-bo, Luo Lei, Cui Tao, Wang Song-tao
Proc. ASME. GT2018, Volume 2D: Turbomachinery, V02DT46A024, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-77252
https://doi.org/10.1115/GT2018-77252
View Paper titled, Three-Dimensional Aerodynamic Optimization of Turbine Blade Profile Considering Heat Transfer Performance
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Topics: Heat transfer, Optimization, Turbine blades, Blades, Design, Temperature, Computation, Coolants, Engineering prototypes, Flow (Dynamics)
Proceedings Papers

Numerical Investigation of Transient Heat Transfer Experiments Under Rotation

Michael Goehring, Christopher Hartmann, Jens von Wolfersdorf
Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT11A011, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76497
https://doi.org/10.1115/GT2018-76497
View Paper titled, Numerical Investigation of Transient Heat Transfer Experiments Under Rotation
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Topics: Rotation, Transient heat transfer, Buoyancy, Engineering simulation, Heat, Simulation, Transients (Dynamics), Wall temperature, Cooling, Density
Proceedings Papers

Investigations on the Heat Transfer and Flow Characteristics in a Trapezoid Duct for Turbine Blade Leading Edge

Hai-yong Liu, Cun-liang Liu, Lin Ye
Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT16A001, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75156
https://doi.org/10.1115/GT2018-75156
View Paper titled, Investigations on the Heat Transfer and Flow Characteristics in a Trapezoid Duct for Turbine Blade Leading Edge
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Topics: Ducts, Flow (Dynamics), Heat transfer, Turbine blades, Cross-flow, Jets, Impingement cooling, Computer simulation, Cooling, Outflow
Proceedings Papers

Conjugate Heat Transfer Methodology for Thermal Design and Verification of Gas Turbine Cooled Components

Lorenzo Winchler, Antonio Andreini, Bruno Facchini, Luca Andrei, Alessio Bonini, Luca Innocenti
Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT10A001, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75649
https://doi.org/10.1115/GT2018-75649
View Paper titled, Conjugate Heat Transfer Methodology for Thermal Design and Verification of Gas Turbine Cooled Components
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Topics: Design, Gas turbines, Heat transfer, Temperature, Computational fluid dynamics, Cycles, Heat, Metals, Stress, Airfoils
Proceedings Papers

Modeling Deposition in Turbine Cooling Passages With Temperature Dependent Adhesion and Mesh Morphing

Christopher P. Bowen, Nathan D. Libertowski, Mehdi Mortazavi, Jeffrey P. Bons
Proc. ASME. GT2018, Volume 2D: Turbomachinery, V02DT47A009, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76251
https://doi.org/10.1115/GT2018-76251
View Paper titled, Modeling Deposition in Turbine Cooling Passages With Temperature Dependent Adhesion and Mesh Morphing
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Topics: Adhesion, Cooling, Modeling, Temperature, Turbines, Flow (Dynamics), Adhesives, Gas turbines, Packing (Shipments), Packings (Cushioning)
Proceedings Papers

Numerical Investigation of Film and Impingement Cooling Schemes for Gas Turbine Application

Lucilene Moraes da Silva, Jesuino Takachi Tomita, Cleverson Bringhenti, Tomas Grönstedt
Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT12A015, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76222
https://doi.org/10.1115/GT2018-76222
View Paper titled, Numerical Investigation of Film and Impingement Cooling Schemes for Gas Turbine Application
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Topics: Gas turbines, Impingement cooling, Cooling, Film cooling, Blades, Fins, Computational fluid dynamics, Flow (Dynamics), Coolants, Metals
Proceedings Papers

Numerical Study on Film Cooling Characteristics of C3X Vane With Wave-Trench Hole

Bo-lun Zhang, Li Zhang, Hui-ren Zhu, Jian-sheng Wei, Zhong-yi Fu, Chun-yi Yao
Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT12A003, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75173
https://doi.org/10.1115/GT2018-75173
View Paper titled, Numerical Study on Film Cooling Characteristics of C3X Vane With Wave-Trench Hole
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Topics: Film cooling, Waves, Cooling, Heat transfer coefficients, Flow (Dynamics), Reynolds-averaged Navier–Stokes equations, Simulation, Temperature, Turbulence, Vortices
Proceedings Papers

Study on Cooling Characteristics of an Internal Cooling Structure With a Sloping Sheet for Gas Turbine Blade

Xiangyu Wang, Kun Xiao, Zhenping Feng
Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT11A013, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76625
https://doi.org/10.1115/GT2018-76625
View Paper titled, Study on Cooling Characteristics of an Internal Cooling Structure With a Sloping Sheet for Gas Turbine Blade
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Topics: Blades, Cooling, Gas turbines, Vortices, Coolants, Flow (Dynamics), High temperature, Pressure, Aircraft, Computer simulation
Proceedings Papers

Comparative Experimental Investigation of Leading Edge Cooling Concepts of Turbine Rotor Blades

Maximilian Elfner, Achmed Schulz, Hans-Jörg Bauer, Knut Lehmann
Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT16A002, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75360
https://doi.org/10.1115/GT2018-75360
View Paper titled, Comparative Experimental Investigation of Leading Edge Cooling Concepts of Turbine Rotor Blades
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Topics: Blades, Cooling, Rotors, Turbines, Design, Resolution (Optics), Accuracy and precision, Evaluation methods, Film cooling, Flow (Dynamics)
Proceedings Papers

Numerical Investigation of the Cooling Performance on the Endwall With and Without Fillet

Qingzong Xu, Qiang Du, Pei Wang, Jun Liu, Guang Liu
Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT12A016, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76316
https://doi.org/10.1115/GT2018-76316
View Paper titled, Numerical Investigation of the Cooling Performance on the Endwall With and Without Fillet
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Topics: Cooling, Combustion chambers, Flow (Dynamics), Turbines, Film cooling, Junctions, Turbulence, Cascades (Fluid dynamics), Computational methods, Coolants
Proceedings Papers

Development of High-Temperature High-Velocity Sand Erosion Apparatus

Masaya Suzuki, Takashi Yamane
Proc. ASME. GT2018, Volume 2D: Turbomachinery, V02DT47A002, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75044
https://doi.org/10.1115/GT2018-75044
View Paper titled, Development of High-Temperature High-Velocity Sand Erosion Apparatus
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Topics: Erosion, High temperature, Sands, Particulate matter, Two-phase flow, Blades, Flat plates, Geometry, Imaging, Jet engines
Proceedings Papers

Numerical Investigation on the Differences Between Temperature Ratio and Density Ratio in Film-Cooled Endwall

Ran Yao, Jianhua Wang, Ming Wang, Wei Song
Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT12A004, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75255
https://doi.org/10.1115/GT2018-75255
View Paper titled, Numerical Investigation on the Differences Between Temperature Ratio and Density Ratio in Film-Cooled Endwall
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Topics: Density, Temperature, Film cooling, Cooling, Errors, Carbon dioxide, Electrical conductivity, Gas turbines, High temperature, Reliability
Proceedings Papers

Shape Optimization of Partly Removed Straight Ribs in Turbine Internal Rectangular Cooling Channel With 45 Degree Ribs

Jiangnan Zhu, Xiying Wang, Changxian Zhang, Hui Miao
Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT11A001, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75221
https://doi.org/10.1115/GT2018-75221
View Paper titled, Shape Optimization of Partly Removed Straight Ribs in Turbine Internal Rectangular Cooling Channel With 45 Degree Ribs
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Topics: Cooling, Shape optimization, Turbines, Friction, Heat transfer, Computational fluid dynamics, Optimization, Response surface methodology, Computer software, Convection
Proceedings Papers

A Numerical Study of Dust Deposition in a Model Turbine Vane Cooling Passage

Way Lee Cheng, Ryan Lundgreen, Bing Guo
Proc. ASME. GT2018, Volume 2D: Turbomachinery, V02DT47A006, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75833
https://doi.org/10.1115/GT2018-75833
View Paper titled, A Numerical Study of Dust Deposition in a Model Turbine Vane Cooling Passage
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Topics: Cooling, Dust, Turbines, Computational fluid dynamics, Flow (Dynamics), Pressure, Simulation, Aviation, Engines, Jet engines
Proceedings Papers

Gas Turbine Fouling Tests: Review, Critical Analysis and Particle Impact Behavior Map

Alessio Suman, Nicola Casari, Elettra Fabbri, Michele Pinelli, Luca di Mare, Francesco Montomoli
Proc. ASME. GT2018, Volume 2D: Turbomachinery, V02DT47A015, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76934
https://doi.org/10.1115/GT2018-76934
View Paper titled, Gas Turbine Fouling Tests: Review, Critical Analysis and Particle Impact Behavior Map
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Topics: Gas turbines, Particle collisions, Particulate matter, Temperature, Nozzles, Surface roughness, Testing, Wind tunnels, Aircraft engines, Boundary layers