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Proceedings Papers

The Influence of Different Endwall Contouring Locations on the Secondary Flow Losses in a Highly Loaded Low Pressure Turbine

Wenhua Duan, Weiyang Qiao, Zuojun Wei, Jian Liu, Haoyi Cheng
Proc. ASME. GT2018, Volume 2B: Turbomachinery, V02BT41A018, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76159
https://doi.org/10.1115/GT2018-76159
View Paper titled, The Influence of Different Endwall Contouring Locations on the Secondary Flow Losses in a Highly Loaded Low Pressure Turbine
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Topics: Flow (Dynamics), Pressure, Turbines, Airfoils, Bubbles, Cascades (Fluid dynamics), Separation (Technology), Suction
Proceedings Papers

A Numerical and Experimental Investigation of the Impact of Mixed Flow Turbine Inlet Cone Angle and Inlet Blade Angle

Thomas Leonard, Stephen Spence, Dietmar Filsinger, Andre Starke
Proc. ASME. GT2018, Volume 2B: Turbomachinery, V02BT44A003, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75096
https://doi.org/10.1115/GT2018-75096
View Paper titled, A Numerical and Experimental Investigation of the Impact of Mixed Flow Turbine Inlet Cone Angle and Inlet Blade Angle
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Topics: Blades, Flow (Dynamics), Turbines, Rotors, Design, Computer simulation, Geometry, Transients (Dynamics), Automotive engines, Computational fluid dynamics
Proceedings Papers

Implicit-LES Simulation of Variable-Speed Power Turbine Cascade for Low Free-Stream Turbulence Conditions

Ali Ameri
Proc. ASME. GT2018, Volume 2B: Turbomachinery, V02BT41A032, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-77120
https://doi.org/10.1115/GT2018-77120
View Paper titled, Implicit-LES Simulation of Variable-Speed Power Turbine Cascade for Low Free-Stream Turbulence Conditions
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Topics: Cascades (Fluid dynamics), Simulation, Turbines, Turbulence, Flow (Dynamics), Blades, Pressure, Reynolds number, Design, Separation (Technology)
Proceedings Papers

Large Eddy Simulations in a Transonic Centrifugal Compressor

Jérôme Dombard, Florent Duchaine, Laurent Gicquel, Gabriel Staffelbach, Nicolas Buffaz, Isabelle Trébinjac
Proc. ASME. GT2018, Volume 2B: Turbomachinery, V02BT44A030, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-77023
https://doi.org/10.1115/GT2018-77023
View Paper titled, Large Eddy Simulations in a Transonic Centrifugal Compressor
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Topics: Compressors, Large eddy simulation, Rotors, Surges, Blades, Diffusers, Leakage, Boundary layers, Computation, Flow (Dynamics)
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

Assessment of Scale Adaptive Simulation of a Rotor of High Pressure Compressor

J. Marty, H. Gaible, H. Bézard
Proc. ASME. GT2018, Volume 2C: Turbomachinery, V02CT42A037, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76537
https://doi.org/10.1115/GT2018-76537
View Paper titled, Assessment of Scale Adaptive Simulation of a Rotor of High Pressure Compressor
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Topics: Compressors, High pressure (Physics), Rotors, Simulation, Turbulence, Corners (Structural elements), Leakage flows, Separation (Technology), Pressure, Blades
Proceedings Papers

LES Investigation of Boussinesq Constitutive Relation Validity in a Corner Separation Flow

Jean-François Monier, Nicolas Poujol, Mathieu Laurent, Feng Gao, Jérôme Boudet, Stéphane Aubert, Liang Shao
Proc. ASME. GT2018, Volume 2C: Turbomachinery, V02CT42A023, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75792
https://doi.org/10.1115/GT2018-75792
View Paper titled, LES Investigation of Boussinesq Constitutive Relation Validity in a Corner Separation Flow
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Topics: Corners (Structural elements), Flow (Dynamics), Separation (Technology), Tensors, Eddies (Fluid dynamics), Stress tensors, Viscosity, Cascades (Fluid dynamics), Compressors, Large eddy simulation
Proceedings Papers

On the Simulation of Unsteady Turbulence and Transition Effects in a Multistage Low Pressure Turbine: Part II — Full-Wheel Simulation

Georg Geiser, Jens Wellner, Edmund Kügeler, Anton Weber, Anselm Moors
Proc. ASME. GT2018, Volume 2C: Turbomachinery, V02CT42A043, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76764
https://doi.org/10.1115/GT2018-76764
View Paper titled, On the Simulation of Unsteady Turbulence and Transition Effects in a Multistage Low Pressure Turbine: Part II — Full-Wheel Simulation
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Topics: Pressure, Simulation, Turbine components, Turbulence, Wheels, Blades, Bubbles, Separation (Technology), Turbines, Clocks
Proceedings Papers

Calculation of Intake-Fan-Bypass Interaction With a Fan Similarity Model

Mauro Carnevale, Feng Wang, Luca di Mare
Proc. ASME. GT2018, Volume 2C: Turbomachinery, V02CT42A003, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75115
https://doi.org/10.1115/GT2018-75115
View Paper titled, Calculation of Intake-Fan-Bypass Interaction With a Fan Similarity Model
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Topics: Aircraft engines, Airfoils, Blades, Boundary-value problems, Cascades (Fluid dynamics), Computation, Design, Diluents, Ducts, Engines
Proceedings Papers

Large Eddy Simulations of a Highly Loaded Transonic Blade With Separated Flow

Mael Harnieh, Laurent Gicquel, Florent Duchaine
Proc. ASME. GT2018, Volume 2C: Turbomachinery, V02CT42A019, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75730
https://doi.org/10.1115/GT2018-75730
View Paper titled, Large Eddy Simulations of a Highly Loaded Transonic Blade With Separated Flow
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Topics: Blades, Flow (Dynamics), Large eddy simulation, Turbulence, Pressure, Bubbles, Boundary layers, Design, Engineering simulation, High pressure (Physics)
Proceedings Papers

Large-Eddy Simulation of Corner Separation in a Compressor Cascade

Byung-Young Min, Jongwook Joo, Jomar Mendoza, Jin Lee, Guoping Xia, Gorazd Medic
Proc. ASME. GT2018, Volume 2C: Turbomachinery, V02CT42A052, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-77144
https://doi.org/10.1115/GT2018-77144
View Paper titled, Large-Eddy Simulation of Corner Separation in a Compressor Cascade
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Topics: Cascades (Fluid dynamics), Compressors, Corners (Structural elements), Large eddy simulation, Separation (Technology), Engineering simulation, Simulation, Boundary layers, Computation, Fluctuations (Physics)
Proceedings Papers

Large-Eddy and RANS Simulations of Heat Transfer in a U-Duct With a High-Aspect Ratio Trapezoidal Cross Section

Kenny S.-Y. Hu, Tom I-P. Shih
Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT11A005, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75535
https://doi.org/10.1115/GT2018-75535
View Paper titled, Large-Eddy and RANS Simulations of Heat Transfer in a U-Duct With a High-Aspect Ratio Trapezoidal Cross Section
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Topics: Ducts, Eddies (Fluid dynamics), Heat transfer, Reynolds-averaged Navier–Stokes equations, Simulation, Flow (Dynamics), Stress, Turbulence, Unsteady flow, Boundary-value problems
Proceedings Papers

Three-Dimensional Blade Shape Optimization for a Transonic Axial Flow Compressor Through Incorporating Surrogate Model and Sequential Sampling

Xuesong Wang, Jinju Sun, Peng Song, Youwei He, Da Xu
Proc. ASME. GT2018, Volume 2D: Turbomachinery, V02DT46A006, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75448
https://doi.org/10.1115/GT2018-75448
View Paper titled, Three-Dimensional Blade Shape Optimization for a Transonic Axial Flow Compressor Through Incorporating Surrogate Model and Sequential Sampling
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Topics: Axial flow, Blades, Shape optimization, Optimization, Flow (Dynamics), Geometry, Computational fluid dynamics, Design, Optimization algorithms, Compressors
Proceedings Papers

Aerothermal Investigation of a Two-Pass Rotating Cooling Channel by Means of Particle Image Velocimetry and Liquid Crystal Thermography

Dimitra Tsakmakidou, Ignacio Mayo, Tony Arts
Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT16A008, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76411
https://doi.org/10.1115/GT2018-76411
View Paper titled, Aerothermal Investigation of a Two-Pass Rotating Cooling Channel by Means of Particle Image Velocimetry and Liquid Crystal Thermography
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Topics: Cooling, Liquid crystals, Particulate matter, Thermography, Heat transfer, Flow (Dynamics), Rotation, Stability, Vortices, Bubbles
Proceedings Papers

Automated Aerodynamic Optimization of an Aggressive S-Shaped Intermediate Compressor Duct

T. Stürzebecher, G. Goinis, C. Voss, H. Sahota, P. Groth, S. Hammer
Proc. ASME. GT2018, Volume 2D: Turbomachinery, V02DT46A002, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75184
https://doi.org/10.1115/GT2018-75184
View Paper titled, Automated Aerodynamic Optimization of an Aggressive S-Shaped Intermediate Compressor Duct
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Topics: Compressors, Ducts, Optimization, Design, Separation (Technology), Struts (Engineering), Aircraft engines, Blades, Weight (Mass), Aircraft
Proceedings Papers

Experimental and Numerical Analysis of Additively Manufactured Coupons With Parallel Channels and Inline Wall Jets

Sarwesh Narayan Parbat, Li Yang, Zheng Min, Minking K. Chyu
Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT16A016, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-77000
https://doi.org/10.1115/GT2018-77000
View Paper titled, Experimental and Numerical Analysis of Additively Manufactured Coupons With Parallel Channels and Inline Wall Jets
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Topics: Additive manufacturing, Jets, Numerical analysis, Heat transfer, Cooling, Gas turbines, Separation (Technology), Coolants, Design, Flow (Dynamics)
Proceedings Papers

An Experimental Investigation on Internal Flow Characteristics in a Realistic and Entire Coolant Channel With Ribs and Film Holes

Peng Wang, Jian Pu, Ren-bin Yu, Jian-hua Wang, Bo Wan, Jian-Xia Luo, Shu-qing Tian
Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT16A004, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75715
https://doi.org/10.1115/GT2018-75715
View Paper titled, An Experimental Investigation on Internal Flow Characteristics in a Realistic and Entire Coolant Channel With Ribs and Film Holes
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Topics: Coolants, Internal flow, Vortices, Flow (Dynamics), Shapes, Blades, Bubbles, Cross section (Physics), High pressure (Physics), Particulate matter
Proceedings Papers

Comparison of Modelling Approaches for Bump-Type Foil Thrust Bearings Operating With CO 2

Kan Qin, Daijin Li, Kai Luo, Zhansheng Tian, Ingo H. Jahn
Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A023, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75705
https://doi.org/10.1115/GT2018-75705
View Paper titled, Comparison of Modelling Approaches for Bump-Type Foil Thrust Bearings Operating With CO 2
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Topics: Carbon dioxide, Modeling, Thrust bearings, Computational fluid dynamics, Deformation, Rotors, Separation (Technology), Stress, Deflection, Heating
Proceedings Papers

Leakage and Rotordynamic Force Coefficients of a Three-Wave (Air in Oil) Wet Annular Seal: Measurements and Predictions

Xueliang Lu, Luis San Andrés
Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A004, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75200
https://doi.org/10.1115/GT2018-75200
View Paper titled, Leakage and Rotordynamic Force Coefficients of a Three-Wave (Air in Oil) Wet Annular Seal: Measurements and Predictions
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Topics: Leakage, Waves, Clearances (Engineering), Flow (Dynamics), Pumps, Stiffness, Damping, Pressure, Rotors, Collapse
Proceedings Papers

Hydrodynamic Journal Bearings Optimization Considering Rotor Dynamics Restrictions

Leonid Moroz, Leonid Romanenko, Roman Kochurov, Evgen Kashtanov
Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A024, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75790
https://doi.org/10.1115/GT2018-75790
View Paper titled, Hydrodynamic Journal Bearings Optimization Considering Rotor Dynamics Restrictions
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Topics: Journal bearings, Optimization, Rotordynamics, Bearings, Design, Rotors, Film thickness, Simulation, Clearances (Engineering), Electromagnetic induction