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Proceedings Papers

Highly Resolved Simulations of a CDA Compressor Cascade: Effect of Reynolds Number on Losses

Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A009, June 7–11, 2021

Paper No: GT2021-58665

DOI: https://doi.org/10.1115/GT2021-58665

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Topics: Cascades (Fluid dynamics), Compressors, Engineering simulation, Reynolds number, Simulation, Blades, Geometry, Wakes, Airfoils, Boundary layers

Proceedings Papers

High-Fidelity Simulations of a High-Pressure Turbine Vane With End Walls: Impact of Secondary Structures and Spanwise Temperature Profiles on Losses

Yaomin Zhao, Richard D. Sandberg

Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT32A002, June 7–11, 2021

Paper No: GT2021-58816

DOI: https://doi.org/10.1115/GT2021-58816

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Topics: Engineering simulation, High pressure (Physics), Simulation, Temperature profiles, Turbines, Boundary layers, Blades, Pressure, Suction, Combustion chambers

Proceedings Papers

High-Fidelity Simulations of a High-Pressure Turbine Stage: Effects of Reynolds Number and Inlet Turbulence

Yaomin Zhao, Richard D. Sandberg

Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT32A004, June 7–11, 2021

Paper No: GT2021-58995

DOI: https://doi.org/10.1115/GT2021-58995

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Topics: Engineering simulation, High pressure (Physics), Reynolds number, Simulation, Turbines, Turbulence, Rotors, Wakes, Blades, Flow (Dynamics)

Proceedings Papers

Determining Total Pressure Fields From Velocimetry Measurements in a Transonic Turbine Flowfield

Alexander Rusted, Stephen Lynch

Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT32A009, June 7–11, 2021

Paper No: GT2021-59388

DOI: https://doi.org/10.1115/GT2021-59388

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Topics: Pressure, Turbines, Temperature, Flow (Dynamics), Compressible flow, Errors, Momentum, Computational fluid dynamics, Entropy, Film cooling

Proceedings Papers

Turbomachinery Loss Analysis: The Relationship Between Mechanical Work Potential and Entropy Analyses

John Leggett, Yaomin Zhao, Edward S. Richardson, Richard D. Sandberg

Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT34A023, June 7–11, 2021

Paper No: GT2021-59436

DOI: https://doi.org/10.1115/GT2021-59436

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Topics: Entropy, Turbomachinery, Energy dissipation, High pressure (Physics), Simulation, Turbulence, Compressors, Computational fluid dynamics, Physics, Pressure

Proceedings Papers

Unsteady Effects of Blade Row Interaction on Flow Field and Aerodynamic Performance of a Transonic Centrifugal Compressor Impeller

Kazutoyo Yamada, Kosuke Kubo, Kenichiro Iwakiri, Yoshihiro Ishikawa, Hirotaka Higashimori

Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT37A008, June 7–11, 2021

Paper No: GT2021-59462

DOI: https://doi.org/10.1115/GT2021-59462

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Topics: Blades, Compressor impellers, Flow (Dynamics), Compressors, Impellers, Diffusers, Reynolds-averaged Navier–Stokes equations, Steady state, Annulus, Computer simulation

Proceedings Papers

Adjoint-Based Optimisation of Rocket Engine Turbine Blades

Bhupinder Singh Sanghera, Nitish Anand, Louis Souverein, Loïc Penin, Matteo Pini

Paper No: GT2021-59580

DOI: https://doi.org/10.1115/GT2021-59580

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Topics: Optimization, Rocket engines, Turbine blades, Stators, Turbines, Design, Cycles, Flow (Dynamics), Generators, Shape optimization

Proceedings Papers

A Detailed Loss Analysis Methodology for Centrifugal Compressors

Luying Zhang, Loukia Kritioti, Peng Wang, Jiangnan Zhang, Mehrdad Zangeneh

Paper No: GT2021-59334

DOI: https://doi.org/10.1115/GT2021-59334

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Topics: Compressors, Design, Entropy, Optimization

Proceedings Papers

Impact of Swirling Entropy Waves on a High Pressure Turbine

Andrea Notaristefano, Paolo Gaetani

Paper No: GT2021-59598

DOI: https://doi.org/10.1115/GT2021-59598

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Topics: Entropy, High pressure (Physics), Swirling flow, Turbines, Waves, Combustion chambers, Stators, Rotors, Temperature, Aerodynamic flow

Proceedings Papers

Centrifugal Compressor Polytropic Performance Evaluation Using Cubic Polynomial Approximation for the Temperature-Entropy Polytropic Path

Matt Taher, B. F. Evans

Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T20A016, June 7–11, 2021

Paper No: GT2021-59678

DOI: https://doi.org/10.1115/GT2021-59678

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Topics: Compressors, Entropy, Performance evaluation, Polynomial approximation, Temperature, Approximation, Gases, Polynomials, Testing performance

Proceedings Papers

Performance of a Subsonic Compressor Airfoil With Upstream, End-Wall Injection Flow

Aaron J. Pope, Andrew Oliva, Aleksandar Jemcov, Scott C. Morris, Mark Stephens, Kenneth Clark, Lisa Brilliant

Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A012, June 7–11, 2021

Paper No: GT2021-58708

DOI: https://doi.org/10.1115/GT2021-58708

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Topics: Airfoils, Compressors, Flow (Dynamics), Stators, Pressure, Cascades (Fluid dynamics), Probes, Engines, Entropy, Gas turbines

Proceedings Papers

Numerical Evaluation of Losses in Shrouded and Cantilevered Stators of a Multi-Stage Axial Compressor

Ilaria De Dominicis, Sebastian Robens, Volker Gümmer

Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A003, June 7–11, 2021

Paper No: GT2021-58388

DOI: https://doi.org/10.1115/GT2021-58388

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Topics: Compressors, Stators, Flow (Dynamics), Leakage, Pressure, Cavities, Computational fluid dynamics, Engineering simulation, Engineers, Entropy

Proceedings Papers

Influence of Flow Coefficient on Ingress Through Turbine Rim Seals

Dimitrios Graikos, Mauro Carnevale, Carl M. Sangan, Gary D. Lock, James A. Scobie

Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT14A009, June 7–11, 2021

Paper No: GT2021-59227

DOI: https://doi.org/10.1115/GT2021-59227

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Topics: Flow (Dynamics), Turbines, Blades, Rotors, Annulus, Disks, Stators, Clearances (Engineering), Engines, Entropy

Proceedings Papers

Response of Autoignition-Stabilized Flames to One-Dimensional Disturbances: Intrinsic Response

Harish S. Gopalakrishnan, Andrea Gruber, Jonas Moeck

Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A052, June 7–11, 2021

Paper No: GT2021-59351

DOI: https://doi.org/10.1115/GT2021-59351

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Topics: Flames, Acoustics, Combustion chambers, Fluctuations (Physics), Combustion, Oscillations, Temperature, Carbon, Chemistry, Computer simulation

Proceedings Papers

Isentropic Formulation of the Linearized Euler Equations For Perfectly Premixed Combustion Systems

Pedro Romero Vega, Thomas Hofmeister, Gerrit Heilmann, Christoph Hirsch, Thomas Sattelmayer

Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A026, June 7–11, 2021

Paper No: GT2021-60055

DOI: https://doi.org/10.1115/GT2021-60055

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Topics: Acoustics, Combustion chambers, Combustion systems, Damping, Density, Entropy, Flow (Dynamics), Gas turbines, Heat, Momentum

Proceedings Papers

Experimental Analysis and Material Characterization of Ultra High Temperature Composites

Anindya Ghoshal, Michael J. Walock, Andy Nieto, Muthuvel Murugan, Clara Hofmeister-Mock, Marc Pepi, Luis Bravo, Andrew Wright, Jian Luo

Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T02A010, June 7–11, 2021

Paper No: GT2021-60384

DOI: https://doi.org/10.1115/GT2021-60384

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Topics: Composite materials, Experimental analysis, High temperature, Oxidation, Fracture toughness, Ablation (Vaporization technology), US Department of Defense, Zirconium, Army, Ball milling

Proceedings Papers

Numerical Investigations on the Effect of Pivot Shapes in Part Clearance Flow Field of Variable Area LP Turbine Nozzle Vane

Hardikkumar Bhavsar, Chetan S. Mistry

Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A029, September 21–25, 2020

Paper No: GT2020-15969

DOI: https://doi.org/10.1115/GT2020-15969

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Topics: Clearances (Engineering), Flow (Dynamics), Nozzles, Shapes, Turbines, Leakage flows, Engines, Leakage, Design, Entropy

Proceedings Papers

Numerical Study of Influence of Rotor Tip Gap Increase due to Age Deterioration in 3-Stage Gas Turbine

Koichi Yonezawa, Junichi Sakamoto, Kazuyasu Sugiyama, Shuichi Ohmori, Shuichi Umezawa

Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A034, September 21–25, 2020

Paper No: GT2020-16270

DOI: https://doi.org/10.1115/GT2020-16270

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Topics: Gas turbines, Rotors, Blades, Clearances (Engineering), Computational fluid dynamics, Simulation, Boundary-value problems, Entropy, Flow (Dynamics), Heat

Proceedings Papers

Investigation of the Loss Generation in a Turning Vane Frame at Different Inlet Turbulence Conditions

Sebastian F. Riebl, Christian Wakelam, Reinhard Niehuis

Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT36A003, September 21–25, 2020

Paper No: GT2020-14166

DOI: https://doi.org/10.1115/GT2020-14166

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Topics: Turbulence, Turning vanes, Flow (Dynamics), Pressure, Turbines, Vortices, Blades, Boundary layers, Engineering simulation, Entropy

Proceedings Papers

On the Formulation of Nonreflecting Boundary Conditions for Turbomachinery Configurations: Part II — Application and Analysis

Nina Wolfrum, Patrick Bechlars, Maximilian Beck, Christian Frey, Daniel Schlüß

Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A037, September 21–25, 2020

Paper No: GT2020-15358

DOI: https://doi.org/10.1115/GT2020-15358

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Topics: Boundary-value problems, Turbomachinery, Flow (Dynamics), Waves, Algorithms, Computational fluid dynamics, Acoustics, Blades, Computation, Design

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NARROW

Highly Resolved Simulations of a CDA Compressor Cascade: Effect of Reynolds Number on Losses

High-Fidelity Simulations of a High-Pressure Turbine Vane With End Walls: Impact of Secondary Structures and Spanwise Temperature Profiles on Losses

High-Fidelity Simulations of a High-Pressure Turbine Stage: Effects of Reynolds Number and Inlet Turbulence

Determining Total Pressure Fields From Velocimetry Measurements in a Transonic Turbine Flowfield

Turbomachinery Loss Analysis: The Relationship Between Mechanical Work Potential and Entropy Analyses

Unsteady Effects of Blade Row Interaction on Flow Field and Aerodynamic Performance of a Transonic Centrifugal Compressor Impeller

Adjoint-Based Optimisation of Rocket Engine Turbine Blades

A Detailed Loss Analysis Methodology for Centrifugal Compressors

Impact of Swirling Entropy Waves on a High Pressure Turbine

Centrifugal Compressor Polytropic Performance Evaluation Using Cubic Polynomial Approximation for the Temperature-Entropy Polytropic Path

Performance of a Subsonic Compressor Airfoil With Upstream, End-Wall Injection Flow

Numerical Evaluation of Losses in Shrouded and Cantilevered Stators of a Multi-Stage Axial Compressor

Influence of Flow Coefficient on Ingress Through Turbine Rim Seals

Response of Autoignition-Stabilized Flames to One-Dimensional Disturbances: Intrinsic Response

Isentropic Formulation of the Linearized Euler Equations For Perfectly Premixed Combustion Systems

Experimental Analysis and Material Characterization of Ultra High Temperature Composites

Numerical Investigations on the Effect of Pivot Shapes in Part Clearance Flow Field of Variable Area LP Turbine Nozzle Vane

Numerical Study of Influence of Rotor Tip Gap Increase due to Age Deterioration in 3-Stage Gas Turbine

Investigation of the Loss Generation in a Turning Vane Frame at Different Inlet Turbulence Conditions

On the Formulation of Nonreflecting Boundary Conditions for Turbomachinery Configurations: Part II — Application and Analysis

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